diff options
Diffstat (limited to 'test')
33 files changed, 29851 insertions, 0 deletions
diff --git a/test/Makefile.am b/test/Makefile.am new file mode 100644 index 0000000..4809b51 --- /dev/null +++ b/test/Makefile.am @@ -0,0 +1,36 @@ +# Where to find the c-ares source code; needed because the tests use library-internal headers +ARES_SRC_DIR = .. +# Where to find the built c-ares static library +ARES_BLD_DIR = .. +AUTOMAKE_OPTIONS = foreign +ACLOCAL_AMFLAGS = -I ../m4 +GMOCK_DIR = gmock-1.7.0 +GTEST_DIR = $(GMOCK_DIR)/gtest +# Note use of -isystem to force use of local gMock/gTest even if there's an installed version. +CPPFLAGS += -I$(ARES_SRC_DIR) -isystem $(GTEST_DIR)/include -isystem $(GMOCK_DIR)/include +CXXFLAGS += -Wall $(PTHREAD_CFLAGS) + +# Makefile.inc provides the TESTSOURCES, TESTHEADERS and FUZZSOURCES defines +include Makefile.inc + +TESTS = arestest + +noinst_PROGRAMS = arestest aresfuzz +arestest_SOURCES = $(TESTSOURCES) $(TESTHEADERS) +arestest_LDADD = libgmock.la libgtest.la $(ARES_BLD_DIR)/libcares.la $(PTHREAD_LIBS) + +# Not interested in coverage of test code, but linking the test binary needs the coverage option +@CODE_COVERAGE_RULES@ +arestest_LDFLAGS = $(CODE_COVERAGE_LDFLAGS) + +noinst_LTLIBRARIES = libgmock.la libgtest.la + +libgmock_la_SOURCES = $(GMOCK_DIR)/src/gmock-all.cc +libgmock_la_CPPFLAGS = -isystem $(GTEST_DIR)/include -I$(GTEST_DIR) -isystem $(GMOCK_DIR)/include -I$(GMOCK_DIR) +libgtest_la_SOURCES = $(GTEST_DIR)/src/gtest-all.cc +libgtest_la_CPPFLAGS = -isystem $(GTEST_DIR)/include -I$(GTEST_DIR) -isystem $(GMOCK_DIR)/include -I$(GMOCK_DIR) + +aresfuzz_SOURCES = $(FUZZSOURCES) +aresfuzz_LDADD = $(ARES_BLD_DIR)/libcares.la + +test: check diff --git a/test/Makefile.in b/test/Makefile.in new file mode 100644 index 0000000..0bebc91 --- /dev/null +++ b/test/Makefile.in @@ -0,0 +1,1332 @@ +# Makefile.in generated by automake 1.15 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2014 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works. + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar <conftest.tar]) + AM_RUN_LOG([cat conftest.dir/file]) + grep GrepMe conftest.dir/file >/dev/null 2>&1 && break + fi + done + rm -rf conftest.dir + + AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) + AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + +m4_include([../m4/ax_check_user_namespace.m4]) +m4_include([../m4/ax_check_uts_namespace.m4]) +m4_include([../m4/ax_code_coverage.m4]) +m4_include([../m4/ax_cxx_compile_stdcxx_11.m4]) +m4_include([../m4/ax_pthread.m4]) +m4_include([../m4/libtool.m4]) +m4_include([../m4/ltoptions.m4]) +m4_include([../m4/ltsugar.m4]) +m4_include([../m4/ltversion.m4]) +m4_include([../m4/lt~obsolete.m4]) diff --git a/test/ares-fuzz.cc b/test/ares-fuzz.cc new file mode 100644 index 0000000..4680b72 --- /dev/null +++ b/test/ares-fuzz.cc @@ -0,0 +1,20 @@ +// General driver to allow command-line fuzzer (i.e. afl) to +// fuzz the libfuzzer entrypoint. +#include <stdio.h> +#include <unistd.h> + +#include <vector> + +extern "C" void LLVMFuzzerTestOneInput(const unsigned char *data, + unsigned long size); +int main() { + std::vector<unsigned char> input; + while (true) { + unsigned char buffer[1024]; + int len = read(fileno(stdin), buffer, sizeof(buffer)); + if (len <= 0) break; + input.insert(input.end(), buffer, buffer + len); + } + LLVMFuzzerTestOneInput(input.data(), input.size()); + return 0; +} diff --git a/test/ares-test-fuzz.cc b/test/ares-test-fuzz.cc new file mode 100644 index 0000000..49d844c --- /dev/null +++ b/test/ares-test-fuzz.cc @@ -0,0 +1,44 @@ +#include "ares-test.h" +#include <vector> + +// Entrypoint for Clang's libfuzzer +extern "C" void LLVMFuzzerTestOneInput(const unsigned char *data, + unsigned long size) { + // Feed the data into each of the ares_parse_*_reply functions. + struct hostent *host = nullptr; + struct ares_addrttl info[5]; + int count = 5; + ares_parse_a_reply(data, size, &host, info, &count); + if (host) ares_free_hostent(host); + + host = nullptr; + struct ares_addr6ttl info6[5]; + count = 5; + ares_parse_aaaa_reply(data, size, &host, info6, &count); + if (host) ares_free_hostent(host); + + host = nullptr; + ares::byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + ares_parse_ptr_reply(data, size, addrv4, sizeof(addrv4), AF_INET, &host); + if (host) ares_free_hostent(host); + + host = nullptr; + ares_parse_ns_reply(data, size, &host); + if (host) ares_free_hostent(host); + + struct ares_srv_reply* srv = nullptr; + ares_parse_srv_reply(data, size, &srv); + if (srv) ares_free_data(srv); + + struct ares_mx_reply* mx = nullptr; + ares_parse_mx_reply(data, size, &mx); + if (mx) ares_free_data(mx); + + struct ares_txt_reply* txt = nullptr; + ares_parse_txt_reply(data, size, &txt); + if (txt) ares_free_data(txt); + + struct ares_soa_reply* soa = nullptr; + ares_parse_soa_reply(data, size, &soa); + if (soa) ares_free_data(soa); +} diff --git a/test/ares-test-init.cc b/test/ares-test-init.cc new file mode 100644 index 0000000..c9c6089 --- /dev/null +++ b/test/ares-test-init.cc @@ -0,0 +1,540 @@ +#include "ares-test.h" + +// library initialization is only needed for windows builds +#ifdef WIN32 +#define EXPECTED_NONINIT ARES_ENOTINITIALIZED +#else +#define EXPECTED_NONINIT ARES_SUCCESS +#endif + +namespace ares { +namespace test { + +TEST(LibraryInit, Basic) { + EXPECT_EQ(EXPECTED_NONINIT, ares_library_initialized()); + EXPECT_EQ(ARES_SUCCESS, ares_library_init(ARES_LIB_INIT_ALL)); + EXPECT_EQ(ARES_SUCCESS, ares_library_initialized()); + ares_library_cleanup(); + EXPECT_EQ(EXPECTED_NONINIT, ares_library_initialized()); +} + +TEST(LibraryInit, UnexpectedCleanup) { + EXPECT_EQ(EXPECTED_NONINIT, ares_library_initialized()); + ares_library_cleanup(); + EXPECT_EQ(EXPECTED_NONINIT, ares_library_initialized()); +} + +TEST(LibraryInit, DISABLED_InvalidParam) { + // TODO: police flags argument to ares_library_init() + EXPECT_EQ(ARES_EBADQUERY, ares_library_init(ARES_LIB_INIT_ALL << 2)); + EXPECT_EQ(EXPECTED_NONINIT, ares_library_initialized()); + ares_library_cleanup(); +} + +TEST(LibraryInit, Nested) { + EXPECT_EQ(EXPECTED_NONINIT, ares_library_initialized()); + EXPECT_EQ(ARES_SUCCESS, ares_library_init(ARES_LIB_INIT_ALL)); + EXPECT_EQ(ARES_SUCCESS, ares_library_initialized()); + EXPECT_EQ(ARES_SUCCESS, ares_library_init(ARES_LIB_INIT_ALL)); + EXPECT_EQ(ARES_SUCCESS, ares_library_initialized()); + ares_library_cleanup(); + EXPECT_EQ(ARES_SUCCESS, ares_library_initialized()); + ares_library_cleanup(); + EXPECT_EQ(EXPECTED_NONINIT, ares_library_initialized()); +} + +TEST(LibraryInit, BasicChannelInit) { + EXPECT_EQ(ARES_SUCCESS, ares_library_init(ARES_LIB_INIT_ALL)); + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + EXPECT_NE(nullptr, channel); + ares_destroy(channel); + ares_library_cleanup(); +} + +TEST_F(LibraryTest, OptionsChannelInit) { + struct ares_options opts = {0}; + int optmask = 0; + opts.flags = ARES_FLAG_USEVC | ARES_FLAG_PRIMARY; + optmask |= ARES_OPT_FLAGS; + opts.timeout = 2000; + optmask |= ARES_OPT_TIMEOUTMS; + opts.tries = 2; + optmask |= ARES_OPT_TRIES; + opts.ndots = 4; + optmask |= ARES_OPT_NDOTS; + opts.udp_port = 54; + optmask |= ARES_OPT_UDP_PORT; + opts.tcp_port = 54; + optmask |= ARES_OPT_TCP_PORT; + opts.socket_send_buffer_size = 514; + optmask |= ARES_OPT_SOCK_SNDBUF; + opts.socket_receive_buffer_size = 514; + optmask |= ARES_OPT_SOCK_RCVBUF; + opts.ednspsz = 1280; + optmask |= ARES_OPT_EDNSPSZ; + opts.nservers = 2; + opts.servers = (struct in_addr *)malloc(opts.nservers * sizeof(struct in_addr)); + opts.servers[0].s_addr = htonl(0x01020304); + opts.servers[1].s_addr = htonl(0x02030405); + optmask |= ARES_OPT_SERVERS; + opts.ndomains = 2; + opts.domains = (char **)malloc(opts.ndomains * sizeof(char *)); + opts.domains[0] = strdup("example.com"); + opts.domains[1] = strdup("example2.com"); + optmask |= ARES_OPT_DOMAINS; + opts.lookups = strdup("b"); + optmask |= ARES_OPT_LOOKUPS; + optmask |= ARES_OPT_ROTATE; + + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init_options(&channel, &opts, optmask)); + EXPECT_NE(nullptr, channel); + + ares_channel channel2 = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_dup(&channel2, channel)); + + struct ares_options opts2 = {0}; + int optmask2 = 0; + EXPECT_EQ(ARES_SUCCESS, ares_save_options(channel2, &opts2, &optmask2)); + + // Note that not all opts-settable fields are saved (e.g. + // ednspsz, socket_{send,receive}_buffer_size). + EXPECT_EQ(opts.flags, opts2.flags); + EXPECT_EQ(opts.timeout, opts2.timeout); + EXPECT_EQ(opts.tries, opts2.tries); + EXPECT_EQ(opts.ndots, opts2.ndots); + EXPECT_EQ(opts.udp_port, opts2.udp_port); + EXPECT_EQ(opts.tcp_port, opts2.tcp_port); + EXPECT_EQ(1, opts2.nservers); // Truncated by ARES_FLAG_PRIMARY + EXPECT_EQ(opts.servers[0].s_addr, opts2.servers[0].s_addr); + EXPECT_EQ(opts.ndomains, opts2.ndomains); + EXPECT_EQ(std::string(opts.domains[0]), std::string(opts2.domains[0])); + EXPECT_EQ(std::string(opts.domains[1]), std::string(opts2.domains[1])); + EXPECT_EQ(std::string(opts.lookups), std::string(opts2.lookups)); + + ares_destroy_options(&opts); + ares_destroy_options(&opts2); + ares_destroy(channel); + ares_destroy(channel2); +} + +TEST_F(LibraryTest, ChannelAllocFail) { + ares_channel channel; + for (int ii = 1; ii <= 25; ii++) { + ClearFails(); + SetAllocFail(ii); + channel = nullptr; + int rc = ares_init(&channel); + // The number of allocations depends on local environment, so don't expect ENOMEM. + if (rc == ARES_ENOMEM) { + EXPECT_EQ(nullptr, channel); + } else { + ares_destroy(channel); + } + } +} + +TEST_F(LibraryTest, OptionsChannelAllocFail) { + struct ares_options opts = {0}; + int optmask = 0; + opts.flags = ARES_FLAG_USEVC; + optmask |= ARES_OPT_FLAGS; + opts.timeout = 2; + optmask |= ARES_OPT_TIMEOUT; + opts.tries = 2; + optmask |= ARES_OPT_TRIES; + opts.ndots = 4; + optmask |= ARES_OPT_NDOTS; + opts.udp_port = 54; + optmask |= ARES_OPT_UDP_PORT; + opts.tcp_port = 54; + optmask |= ARES_OPT_TCP_PORT; + opts.socket_send_buffer_size = 514; + optmask |= ARES_OPT_SOCK_SNDBUF; + opts.socket_receive_buffer_size = 514; + optmask |= ARES_OPT_SOCK_RCVBUF; + opts.ednspsz = 1280; + optmask |= ARES_OPT_EDNSPSZ; + opts.nservers = 2; + opts.servers = (struct in_addr *)malloc(opts.nservers * sizeof(struct in_addr)); + opts.servers[0].s_addr = htonl(0x01020304); + opts.servers[1].s_addr = htonl(0x02030405); + optmask |= ARES_OPT_SERVERS; + opts.ndomains = 2; + opts.domains = (char **)malloc(opts.ndomains * sizeof(char *)); + opts.domains[0] = strdup("example.com"); + opts.domains[1] = strdup("example2.com"); + optmask |= ARES_OPT_DOMAINS; + opts.lookups = strdup("b"); + optmask |= ARES_OPT_LOOKUPS; + optmask |= ARES_OPT_ROTATE; + + ares_channel channel = nullptr; + for (int ii = 1; ii <= 8; ii++) { + ClearFails(); + SetAllocFail(ii); + int rc = ares_init_options(&channel, &opts, optmask); + if (rc == ARES_ENOMEM) { + EXPECT_EQ(nullptr, channel); + } else { + EXPECT_EQ(ARES_SUCCESS, rc); + ares_destroy(channel); + channel = nullptr; + } + } + ClearFails(); + + EXPECT_EQ(ARES_SUCCESS, ares_init_options(&channel, &opts, optmask)); + EXPECT_NE(nullptr, channel); + + // Add some servers and a sortlist for flavour. + EXPECT_EQ(ARES_SUCCESS, + ares_set_servers_csv(channel, "1.2.3.4,0102:0304:0506:0708:0910:1112:1314:1516,2.3.4.5")); + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel, "1.2.3.4 2.3.4.5")); + + ares_channel channel2 = nullptr; + for (int ii = 1; ii <= 18; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_dup(&channel2, channel)) << ii; + EXPECT_EQ(nullptr, channel2) << ii; + } + + struct ares_options opts2; + int optmask2 = 0; + for (int ii = 1; ii <= 6; ii++) { + memset(&opts2, 0, sizeof(opts2)); + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_save_options(channel, &opts2, &optmask2)) << ii; + // May still have allocations even after ARES_ENOMEM return code. + ares_destroy_options(&opts2); + } + ares_destroy_options(&opts); + ares_destroy(channel); +} + +TEST_F(LibraryTest, FailChannelInit) { + EXPECT_EQ(ARES_SUCCESS, + ares_library_init_mem(ARES_LIB_INIT_ALL, + &LibraryTest::amalloc, + &LibraryTest::afree, + &LibraryTest::arealloc)); + SetAllocFail(1); + ares_channel channel = nullptr; + EXPECT_EQ(ARES_ENOMEM, ares_init(&channel)); + EXPECT_EQ(nullptr, channel); + ares_library_cleanup(); +} + +#ifndef WIN32 +TEST_F(LibraryTest, EnvInit) { + ares_channel channel = nullptr; + EnvValue v1("LOCALDOMAIN", "this.is.local"); + EnvValue v2("RES_OPTIONS", "options debug ndots:3 retry:3 rotate retrans:2"); + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + ares_destroy(channel); +} + +TEST_F(LibraryTest, EnvInitAllocFail) { + ares_channel channel; + EnvValue v1("LOCALDOMAIN", "this.is.local"); + EnvValue v2("RES_OPTIONS", "options debug ndots:3 retry:3 rotate retrans:2"); + for (int ii = 1; ii <= 10; ii++) { + ClearFails(); + SetAllocFail(ii); + channel = nullptr; + int rc = ares_init(&channel); + if (rc == ARES_SUCCESS) { + ares_destroy(channel); + } else { + EXPECT_EQ(ARES_ENOMEM, rc); + } + } +} +#endif + +TEST_F(DefaultChannelTest, SetAddresses) { + ares_set_local_ip4(channel_, 0x01020304); + byte addr6[16] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10}; + ares_set_local_ip6(channel_, addr6); + ares_set_local_dev(channel_, "dummy"); +} + +TEST_F(DefaultChannelTest, SetSortlistFailures) { + EXPECT_EQ(ARES_ENODATA, ares_set_sortlist(nullptr, "1.2.3.4")); + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "xyzzy ; lwk")); + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "xyzzy ; 0x123")); +} + +TEST_F(DefaultChannelTest, SetSortlistVariants) { + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "1.2.3.4")); + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "1.2.3.4 ; 2.3.4.5")); + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "129.1.1.1")); + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "192.1.1.1")); + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "224.1.1.1")); + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "225.1.1.1")); +} + +TEST_F(DefaultChannelTest, SetSortlistAllocFail) { + for (int ii = 1; ii <= 3; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_set_sortlist(channel_, "12.13.0.0/16 1234::5678/40 1.2.3.4")) << ii; + } +} + +#ifdef USE_WINSOCK +TEST(Init, NoLibraryInit) { + ares_channel channel = nullptr; + EXPECT_EQ(ARES_ENOTINITIALIZED, ares_init(&channel)); +} +#endif + +#ifdef HAVE_CONTAINER +// These tests rely on the ability of non-root users to create a chroot +// using Linux namespaces. + + +// The library uses a variety of information sources to initialize a channel, +// in particular to determine: +// - search: the search domains to use +// - servers: the name servers to use +// - lookup: whether to check files or DNS or both (e.g. "fb") +// - options: various resolver options +// - sortlist: the order of preference for IP addresses +// +// The first source from the following list is used: +// - init_by_options(): explicitly specified values in struct ares_options +// - init_by_environment(): values from the environment: +// - LOCALDOMAIN -> search (single value) +// - RES_OPTIONS -> options +// - init_by_resolv_conf(): values from various config files: +// - /etc/resolv.conf -> search, lookup, servers, sortlist, options +// - /etc/nsswitch.conf -> lookup +// - /etc/host.conf -> lookup +// - /etc/svc.conf -> lookup +// - init_by_defaults(): fallback values: +// - gethostname(3) -> domain +// - "fb" -> lookup + +NameContentList filelist = { + {"/etc/resolv.conf", "nameserver 1.2.3.4\n" + "sortlist 1.2.3.4/16 2.3.4.5\n" + "search first.com second.com\n"}, + {"/etc/hosts", "3.4.5.6 ahostname.com\n"}, + {"/etc/nsswitch.conf", "hosts: files\n"}}; +CONTAINED_TEST_F(LibraryTest, ContainerChannelInit, + "myhostname", "mydomainname.org", filelist) { + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + std::vector<std::string> actual = GetNameServers(channel); + std::vector<std::string> expected = {"1.2.3.4"}; + EXPECT_EQ(expected, actual); + + struct ares_options opts; + int optmask = 0; + ares_save_options(channel, &opts, &optmask); + EXPECT_EQ(2, opts.ndomains); + EXPECT_EQ(std::string("first.com"), std::string(opts.domains[0])); + EXPECT_EQ(std::string("second.com"), std::string(opts.domains[1])); + ares_destroy_options(&opts); + + HostResult result; + ares_gethostbyname(channel, "ahostname.com", AF_INET, HostCallback, &result); + ProcessWork(channel, NoExtraFDs, nullptr); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'ahostname.com' aliases=[] addrs=[3.4.5.6]}", ss.str()); + + ares_destroy(channel); + return HasFailure(); +} + +NameContentList fullresolv = { + {"/etc/resolv.conf", " nameserver 1.2.3.4 \n" + "search first.com second.com\n" + "lookup bind\n" + "options debug ndots:5\n" + "sortlist 1.2.3.4/16 2.3.4.5\n"}}; +CONTAINED_TEST_F(LibraryTest, ContainerFullResolvInit, + "myhostname", "mydomainname.org", fullresolv) { + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + + struct ares_options opts; + int optmask = 0; + ares_save_options(channel, &opts, &optmask); + EXPECT_EQ(std::string("b"), std::string(opts.lookups)); + EXPECT_EQ(5, opts.ndots); + ares_destroy_options(&opts); + + ares_destroy(channel); + return HasFailure(); +} + +NameContentList hostconf = { + {"/etc/resolv.conf", "nameserver 1.2.3.4\n" + "sortlist1.2.3.4\n" // malformed line + "search first.com second.com\n"}, + {"/etc/host.conf", "order bind hosts\n"}}; +CONTAINED_TEST_F(LibraryTest, ContainerHostConfInit, + "myhostname", "mydomainname.org", hostconf) { + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + + struct ares_options opts; + int optmask = 0; + ares_save_options(channel, &opts, &optmask); + EXPECT_EQ(std::string("bf"), std::string(opts.lookups)); + ares_destroy_options(&opts); + + ares_destroy(channel); + return HasFailure(); +} + +NameContentList svcconf = { + {"/etc/resolv.conf", "nameserver 1.2.3.4\n" + "search first.com second.com\n"}, + {"/etc/svc.conf", "hosts= bind\n"}}; +CONTAINED_TEST_F(LibraryTest, ContainerSvcConfInit, + "myhostname", "mydomainname.org", svcconf) { + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + + struct ares_options opts; + int optmask = 0; + ares_save_options(channel, &opts, &optmask); + EXPECT_EQ(std::string("b"), std::string(opts.lookups)); + ares_destroy_options(&opts); + + ares_destroy(channel); + return HasFailure(); +} + +// Failures when expected config filenames are inaccessible. +class MakeUnreadable { + public: + explicit MakeUnreadable(const std::string& filename) + : filename_(filename) { + chmod(filename_.c_str(), 0000); + } + ~MakeUnreadable() { chmod(filename_.c_str(), 0644); } + private: + std::string filename_; +}; + +CONTAINED_TEST_F(LibraryTest, ContainerResolvConfNotReadable, + "myhostname", "mydomainname.org", filelist) { + ares_channel channel = nullptr; + MakeUnreadable hide("/etc/resolv.conf"); + // Unavailable /etc/resolv.conf fails initialization. + EXPECT_EQ(ARES_EFILE, ares_init(&channel)); + return HasFailure(); +} +CONTAINED_TEST_F(LibraryTest, ContainerNsswitchConfNotReadable, + "myhostname", "mydomainname.org", filelist) { + ares_channel channel = nullptr; + // Unavailable /etc/nsswitch.conf falls back to defaults. + MakeUnreadable hide("/etc/nsswitch.conf"); + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + + struct ares_options opts; + int optmask = 0; + ares_save_options(channel, &opts, &optmask); + EXPECT_EQ(std::string("fb"), std::string(opts.lookups)); + ares_destroy_options(&opts); + + ares_destroy(channel); + return HasFailure(); +} +CONTAINED_TEST_F(LibraryTest, ContainerHostConfNotReadable, + "myhostname", "mydomainname.org", hostconf) { + ares_channel channel = nullptr; + // Unavailable /etc/host.conf falls back to defaults. + MakeUnreadable hide("/etc/host.conf"); + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + ares_destroy(channel); + return HasFailure(); +} +CONTAINED_TEST_F(LibraryTest, ContainerSvcConfNotReadable, + "myhostname", "mydomainname.org", svcconf) { + ares_channel channel = nullptr; + // Unavailable /etc/svc.conf falls back to defaults. + MakeUnreadable hide("/etc/svc.conf"); + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + ares_destroy(channel); + return HasFailure(); +} + +NameContentList multiresolv = { + {"/etc/resolv.conf", " nameserver 1::2 ; ;;\n" + " domain first.com\n"}, + {"/etc/nsswitch.conf", "hosts: files\n"}}; +CONTAINED_TEST_F(LibraryTest, ContainerMultiResolvInit, + "myhostname", "mydomainname.org", multiresolv) { + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + std::vector<std::string> actual = GetNameServers(channel); + std::vector<std::string> expected = {"0001:0000:0000:0000:0000:0000:0000:0002"}; + EXPECT_EQ(expected, actual); + + struct ares_options opts; + int optmask = 0; + ares_save_options(channel, &opts, &optmask); + EXPECT_EQ(1, opts.ndomains); + EXPECT_EQ(std::string("first.com"), std::string(opts.domains[0])); + ares_destroy_options(&opts); + + ares_destroy(channel); + return HasFailure(); +} + +NameContentList systemdresolv = { + {"/etc/resolv.conf", "nameserver 1.2.3.4\n" + "domain first.com\n"}, + {"/etc/nsswitch.conf", "hosts: junk resolve files\n"}}; +CONTAINED_TEST_F(LibraryTest, ContainerSystemdResolvInit, + "myhostname", "mydomainname.org", systemdresolv) { + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + + struct ares_options opts; + int optmask = 0; + ares_save_options(channel, &opts, &optmask); + EXPECT_EQ(std::string("bf"), std::string(opts.lookups)); + ares_destroy_options(&opts); + + ares_destroy(channel); + return HasFailure(); +} + +NameContentList empty = {}; // no files +CONTAINED_TEST_F(LibraryTest, ContainerEmptyInit, + "host.domain.org", "domain.org", empty) { + ares_channel channel = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel)); + std::vector<std::string> actual = GetNameServers(channel); + std::vector<std::string> expected = {"127.0.0.1"}; + EXPECT_EQ(expected, actual); + + struct ares_options opts; + int optmask = 0; + ares_save_options(channel, &opts, &optmask); + EXPECT_EQ(1, opts.ndomains); + EXPECT_EQ(std::string("domain.org"), std::string(opts.domains[0])); + EXPECT_EQ(std::string("fb"), std::string(opts.lookups)); + ares_destroy_options(&opts); + + + ares_destroy(channel); + return HasFailure(); +} + +#endif + +} // namespace test +} // namespace ares diff --git a/test/ares-test-internal.cc b/test/ares-test-internal.cc new file mode 100644 index 0000000..91a5646 --- /dev/null +++ b/test/ares-test-internal.cc @@ -0,0 +1,387 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <stdio.h> + +extern "C" { +// Remove command-line defines of package variables for the test project... +#undef PACKAGE_NAME +#undef PACKAGE_BUGREPORT +#undef PACKAGE_STRING +#undef PACKAGE_TARNAME +// ... so we can include the library's config without symbol redefinitions. +#include "ares_setup.h" +#include "ares_nowarn.h" +#include "ares_inet_net_pton.h" +#include "ares_data.h" +#include "ares_private.h" +#include "bitncmp.h" + +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +} + +#include <string> +#include <vector> + +namespace ares { +namespace test { + +#ifndef CARES_SYMBOL_HIDING +void CheckPtoN4(int size, unsigned int value, const char *input) { + struct in_addr a4; + a4.s_addr = 0; + uint32_t expected = htonl(value); + EXPECT_EQ(size, ares_inet_net_pton(AF_INET, input, &a4, sizeof(a4))) + << " for input " << input; + EXPECT_EQ(expected, a4.s_addr) << " for input " << input; +} +#endif + +TEST_F(LibraryTest, InetPtoN) { + struct in_addr a4; + struct in6_addr a6; + +#ifndef CARES_SYMBOL_HIDING + uint32_t expected; + + CheckPtoN4(4 * 8, 0x01020304, "1.2.3.4"); + CheckPtoN4(4 * 8, 0x81010101, "129.1.1.1"); + CheckPtoN4(4 * 8, 0xC0010101, "192.1.1.1"); + CheckPtoN4(4 * 8, 0xE0010101, "224.1.1.1"); + CheckPtoN4(4 * 8, 0xE1010101, "225.1.1.1"); + CheckPtoN4(4, 0xE0000000, "224"); + CheckPtoN4(4 * 8, 0xFD000000, "253"); + CheckPtoN4(4 * 8, 0xF0010101, "240.1.1.1"); + CheckPtoN4(4 * 8, 0x02030405, "02.3.4.5"); + CheckPtoN4(3 * 8, 0x01020304, "1.2.3.4/24"); + CheckPtoN4(3 * 8, 0x01020300, "1.2.3/24"); + CheckPtoN4(2 * 8, 0xa0000000, "0xa"); + CheckPtoN4(0, 0x02030405, "2.3.4.5/000"); + CheckPtoN4(1 * 8, 0x01020000, "1.2/8"); + CheckPtoN4(2 * 8, 0x01020000, "0x0102/16"); + CheckPtoN4(4 * 8, 0x02030405, "02.3.4.5"); + + EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "::", &a6, sizeof(a6))); + EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "::1", &a6, sizeof(a6))); + EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "1234:5678::", &a6, sizeof(a6))); + EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ff", &a6, sizeof(a6))); + EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4", &a6, sizeof(a6))); + EXPECT_EQ(23, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4/23", &a6, sizeof(a6))); + EXPECT_EQ(3 * 8, ares_inet_net_pton(AF_INET6, "12:34::ff/24", &a6, sizeof(a6))); + EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "12:34::ff/0", &a6, sizeof(a6))); + EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "12:34::ffff:0.2", &a6, sizeof(a6))); + EXPECT_EQ(16 * 8, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234", &a6, sizeof(a6))); + + // Various malformed versions + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, " ", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x ", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "x0", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0xXYZZY", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "xyzzy", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET+AF_INET6, "1.2.3.4", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "257.2.3.4", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "002.3.4.x", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "00.3.4.x", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.x", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5.6", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5.6/12", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4:5", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/120", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/1x", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "2.3.4.5/x", &a4, sizeof(a4))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/240", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/02", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/2y", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/y", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff/", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":x", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ": :1234", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "::12345", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234::2345:3456::0011", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234::", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1.2.3.4", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":1234:1234:1234:1234:1234:1234:1234:1234", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, ":1234:1234:1234:1234:1234:1234:1234:1234:", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678", &a6, sizeof(a6))); + // TODO(drysdale): check whether the next two tests should give -1. + EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678:5678", &a6, sizeof(a6))); + EXPECT_EQ(0, ares_inet_net_pton(AF_INET6, "1234:1234:1234:1234:1234:1234:1234:1234:5678:5678:5678", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:257.2.3.4", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:002.2.3.4", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4.5.6", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.4.5", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.z", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3001.4", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3..4", &a6, sizeof(a6))); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ffff:1.2.3.", &a6, sizeof(a6))); + + // Hex constants are allowed. + EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x01020304", &a4, sizeof(a4))); + expected = htonl(0x01020304); + EXPECT_EQ(expected, a4.s_addr); + EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x0a0b0c0d", &a4, sizeof(a4))); + expected = htonl(0x0a0b0c0d); + EXPECT_EQ(expected, a4.s_addr); + EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x0A0B0C0D", &a4, sizeof(a4))); + expected = htonl(0x0a0b0c0d); + EXPECT_EQ(expected, a4.s_addr); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0xyz", &a4, sizeof(a4))); + EXPECT_EQ(4 * 8, ares_inet_net_pton(AF_INET, "0x1122334", &a4, sizeof(a4))); + expected = htonl(0x11223340); + EXPECT_EQ(expected, a4.s_addr); // huh? + + // No room, no room. + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "1.2.3.4", &a4, sizeof(a4) - 1)); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET6, "12:34::ff", &a6, sizeof(a6) - 1)); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x01020304", &a4, 2)); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x01020304", &a4, 0)); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0a0b0c0d", &a4, 0)); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x0xyz", &a4, 0)); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "0x1122334", &a4, sizeof(a4) - 1)); + EXPECT_EQ(-1, ares_inet_net_pton(AF_INET, "253", &a4, sizeof(a4) - 1)); +#endif + + EXPECT_EQ(1, ares_inet_pton(AF_INET, "1.2.3.4", &a4)); + EXPECT_EQ(1, ares_inet_pton(AF_INET6, "12:34::ff", &a6)); + EXPECT_EQ(1, ares_inet_pton(AF_INET6, "12:34::ffff:1.2.3.4", &a6)); + EXPECT_EQ(0, ares_inet_pton(AF_INET, "xyzzy", &a4)); + EXPECT_EQ(-1, ares_inet_pton(AF_INET+AF_INET6, "1.2.3.4", &a4)); +} + +TEST_F(LibraryTest, FreeCorruptData) { + // ares_free_data(p) expects that there is a type field and a marker + // field in the memory before p. Feed it incorrect versions of each. + struct ares_data *data = (struct ares_data *)malloc(sizeof(struct ares_data)); + void* p = &(data->data); + + // Invalid type + data->type = (ares_datatype)99; + data->mark = ARES_DATATYPE_MARK; + ares_free_data(p); + + // Invalid marker + data->type = (ares_datatype)ARES_DATATYPE_MX_REPLY; + data->mark = ARES_DATATYPE_MARK + 1; + ares_free_data(p); + + // Null pointer + ares_free_data(nullptr); + + free(data); +} + +#ifndef CARES_SYMBOL_HIDING +TEST(LibraryInit, StrdupFailures) { + EXPECT_EQ(ARES_SUCCESS, ares_library_init(ARES_LIB_INIT_ALL)); + char* copy = ares_strdup("string"); + EXPECT_NE(nullptr, copy); + free(copy); + ares_library_cleanup(); +} + +TEST_F(LibraryTest, StrdupFailures) { + SetAllocFail(1); + char* copy = ares_strdup("string"); + EXPECT_EQ(nullptr, copy); +} + +TEST_F(LibraryTest, MallocDataFail) { + EXPECT_EQ(nullptr, ares_malloc_data((ares_datatype)99)); + SetAllocSizeFail(sizeof(struct ares_data)); + EXPECT_EQ(nullptr, ares_malloc_data(ARES_DATATYPE_MX_REPLY)); +} + +TEST(Misc, Bitncmp) { + byte a[4] = {0x80, 0x01, 0x02, 0x03}; + byte b[4] = {0x80, 0x01, 0x02, 0x04}; + byte c[4] = {0x01, 0xFF, 0x80, 0x02}; + EXPECT_GT(0, ares__bitncmp(a, b, sizeof(a)*8)); + EXPECT_LT(0, ares__bitncmp(b, a, sizeof(a)*8)); + EXPECT_EQ(0, ares__bitncmp(a, a, sizeof(a)*8)); + + for (int ii = 1; ii < (3*8+5); ii++) { + EXPECT_EQ(0, ares__bitncmp(a, b, ii)); + EXPECT_EQ(0, ares__bitncmp(b, a, ii)); + EXPECT_LT(0, ares__bitncmp(a, c, ii)); + EXPECT_GT(0, ares__bitncmp(c, a, ii)); + } + + // Last byte differs at 5th bit + EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 3)); + EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 4)); + EXPECT_EQ(0, ares__bitncmp(a, b, 3*8 + 5)); + EXPECT_GT(0, ares__bitncmp(a, b, 3*8 + 6)); + EXPECT_GT(0, ares__bitncmp(a, b, 3*8 + 7)); +} + +TEST_F(LibraryTest, Casts) { + ssize_t ssz = 100; + unsigned int u = 100; + int i = 100; + long l = 100; + + unsigned int ru = aresx_sztoui(ssz); + EXPECT_EQ(u, ru); + int ri = aresx_sztosi(ssz); + EXPECT_EQ(i, ri); + + ri = aresx_sltosi(l); + EXPECT_EQ(l, (long)ri); +} + +TEST_F(LibraryTest, ReadLine) { + TempFile temp("abcde\n0123456789\nXYZ\n012345678901234567890\n\n"); + FILE *fp = fopen(temp.filename(), "r"); + size_t bufsize = 4; + char *buf = (char *)malloc(bufsize); + + EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); + EXPECT_EQ("abcde", std::string(buf)); + EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); + EXPECT_EQ("0123456789", std::string(buf)); + EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); + EXPECT_EQ("XYZ", std::string(buf)); + SetAllocFail(1); + EXPECT_EQ(ARES_ENOMEM, ares__read_line(fp, &buf, &bufsize)); + EXPECT_EQ(nullptr, buf); + + fclose(fp); + free(buf); +} + +TEST_F(LibraryTest, ReadLineNoBuf) { + TempFile temp("abcde\n0123456789\nXYZ\n012345678901234567890"); + FILE *fp = fopen(temp.filename(), "r"); + size_t bufsize = 0; + char *buf = nullptr; + + SetAllocFail(1); + EXPECT_EQ(ARES_ENOMEM, ares__read_line(fp, &buf, &bufsize)); + + EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); + EXPECT_EQ("abcde", std::string(buf)); + EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); + EXPECT_EQ("0123456789", std::string(buf)); + EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); + EXPECT_EQ("XYZ", std::string(buf)); + EXPECT_EQ(ARES_SUCCESS, ares__read_line(fp, &buf, &bufsize)); + EXPECT_EQ("012345678901234567890", std::string(buf)); + + fclose(fp); + free(buf); +} + +TEST(Misc, GetHostent) { + TempFile hostsfile("1.2.3.4 example.com \n" + " 2.3.4.5\tgoogle.com www.google.com\twww2.google.com\n" + "#comment\n" + "4.5.6.7\n" + "1.3.5.7 \n" + "::1 ipv6.com"); + struct hostent *host = nullptr; + FILE *fp = fopen(hostsfile.filename(), "r"); + ASSERT_NE(nullptr, fp); + EXPECT_EQ(ARES_EBADFAMILY, ares__get_hostent(fp, AF_INET+AF_INET6, &host)); + rewind(fp); + + EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET, &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss1; + ss1 << HostEnt(host); + EXPECT_EQ("{'example.com' aliases=[] addrs=[1.2.3.4]}", ss1.str()); + ares_free_hostent(host); + host = nullptr; + + EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET, &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss2; + ss2 << HostEnt(host); + EXPECT_EQ("{'google.com' aliases=[www.google.com, www2.google.com] addrs=[2.3.4.5]}", ss2.str()); + ares_free_hostent(host); + host = nullptr; + + EXPECT_EQ(ARES_EOF, ares__get_hostent(fp, AF_INET, &host)); + + rewind(fp); + EXPECT_EQ(ARES_SUCCESS, ares__get_hostent(fp, AF_INET6, &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss3; + ss3 << HostEnt(host); + EXPECT_EQ("{'ipv6.com' aliases=[] addrs=[0000:0000:0000:0000:0000:0000:0000:0001]}", ss3.str()); + ares_free_hostent(host); + host = nullptr; + EXPECT_EQ(ARES_EOF, ares__get_hostent(fp, AF_INET6, &host)); + fclose(fp); +} + +TEST_F(LibraryTest, GetHostentAllocFail) { + TempFile hostsfile("1.2.3.4 example.com alias1 alias2\n"); + struct hostent *host = nullptr; + FILE *fp = fopen(hostsfile.filename(), "r"); + ASSERT_NE(nullptr, fp); + + for (int ii = 1; ii <= 8; ii++) { + rewind(fp); + ClearFails(); + SetAllocFail(ii); + host = nullptr; + EXPECT_EQ(ARES_ENOMEM, ares__get_hostent(fp, AF_INET, &host)) << ii; + } + fclose(fp); +} +#endif + +#ifdef CARES_EXPOSE_STATICS +// These tests access internal static functions from the library, which +// are only exposed when CARES_EXPOSE_STATICS has been configured. As such +// they are tightly couple to the internal library implementation details. +extern "C" char *ares_striendstr(const char*, const char*); +TEST_F(LibraryTest, Striendstr) { + EXPECT_EQ(nullptr, ares_striendstr("abc", "12345")); + EXPECT_NE(nullptr, ares_striendstr("abc12345", "12345")); + EXPECT_NE(nullptr, ares_striendstr("abcxyzzy", "XYZZY")); + EXPECT_NE(nullptr, ares_striendstr("xyzzy", "XYZZY")); + EXPECT_EQ(nullptr, ares_striendstr("xyxzy", "XYZZY")); + EXPECT_NE(nullptr, ares_striendstr("", "")); + const char *str = "plugh"; + EXPECT_NE(nullptr, ares_striendstr(str, str)); +} +extern "C" int single_domain(ares_channel, const char*, char**); +TEST_F(DefaultChannelTest, SingleDomain) { + TempFile aliases("www www.google.com\n"); + EnvValue with_env("HOSTALIASES", aliases.filename()); + + SetAllocSizeFail(128); + char *ptr = nullptr; + EXPECT_EQ(ARES_ENOMEM, single_domain(channel_, "www", &ptr)); + + channel_->flags |= ARES_FLAG_NOSEARCH|ARES_FLAG_NOALIASES; + EXPECT_EQ(ARES_SUCCESS, single_domain(channel_, "www", &ptr)); + EXPECT_EQ("www", std::string(ptr)); + free(ptr); + ptr = nullptr; + + SetAllocFail(1); + EXPECT_EQ(ARES_ENOMEM, single_domain(channel_, "www", &ptr)); + EXPECT_EQ(nullptr, ptr); +} +#endif + +TEST_F(DefaultChannelTest, SaveInvalidChannel) { + int saved = channel_->nservers; + channel_->nservers = -1; + struct ares_options opts; + int optmask = 0; + EXPECT_EQ(ARES_ENODATA, ares_save_options(channel_, &opts, &optmask)); + channel_->nservers = saved; +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-live.cc b/test/ares-test-live.cc new file mode 100644 index 0000000..bbf9b4e --- /dev/null +++ b/test/ares-test-live.cc @@ -0,0 +1,592 @@ +// This file includes tests that attempt to do real lookups +// of DNS names using the local machine's live infrastructure. +// As a result, we don't check the results very closely, to allow +// for varying local configurations. + +#include "ares-test.h" + +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif + +namespace ares { +namespace test { + +// Use the address of Google's public DNS servers as example addresses that are +// likely to be accessible everywhere/everywhen. +unsigned char gdns_addr4[4] = {0x08, 0x08, 0x08, 0x08}; +unsigned char gdns_addr6[16] = {0x20, 0x01, 0x48, 0x60, 0x48, 0x60, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x88}; + +TEST_F(DefaultChannelTest, LiveGetHostByNameV4) { + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_LT(0, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET, result.host_.addrtype_); +} + +TEST_F(DefaultChannelTest, LiveGetHostByNameV6) { + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET6, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_LT(0, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET6, result.host_.addrtype_); +} + +TEST_F(DefaultChannelTest, LiveGetHostByAddrV4) { + HostResult result; + ares_gethostbyaddr(channel_, gdns_addr4, sizeof(gdns_addr4), AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_LT(0, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET, result.host_.addrtype_); +} + +TEST_F(DefaultChannelTest, LiveGetHostByAddrV6) { + HostResult result; + ares_gethostbyaddr(channel_, gdns_addr6, sizeof(gdns_addr6), AF_INET6, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_LT(0, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET6, result.host_.addrtype_); +} + +TEST_F(DefaultChannelTest, LiveGetHostByNameFile) { + struct hostent *host = nullptr; + + // Still need a channel even to query /etc/hosts. + EXPECT_EQ(ARES_ENOTFOUND, + ares_gethostbyname_file(nullptr, "localhost", AF_INET, &host)); + + int rc = ares_gethostbyname_file(channel_, "bogus.mcname", AF_INET, &host); + EXPECT_EQ(nullptr, host); + EXPECT_EQ(ARES_ENOTFOUND, rc); + + rc = ares_gethostbyname_file(channel_, "localhost", AF_INET, &host); + if (rc == ARES_SUCCESS) { + EXPECT_NE(nullptr, host); + ares_free_hostent(host); + } +} + +TEST_P(DefaultChannelModeTest, LiveGetLocalhostByNameV4) { + HostResult result; + ares_gethostbyname(channel_, "localhost", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + if ((result.status_ != ARES_ENOTFOUND) && (result.status_ != ARES_ECONNREFUSED)) { + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ(1, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET, result.host_.addrtype_); + EXPECT_NE(std::string::npos, result.host_.name_.find("localhost")); + } +} + +TEST_P(DefaultChannelModeTest, LiveGetLocalhostByNameV6) { + HostResult result; + ares_gethostbyname(channel_, "localhost", AF_INET6, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + if (result.status_ == ARES_SUCCESS) { + EXPECT_EQ(1, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET6, result.host_.addrtype_); + std::stringstream ss; + ss << HostEnt(result.host_); + EXPECT_NE(std::string::npos, result.host_.name_.find("localhost")); + } +} + +TEST_P(DefaultChannelModeTest, LiveGetLocalhostByNameIPV4) { + HostResult result; + ares_gethostbyname(channel_, "127.0.0.1", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ(1, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET, result.host_.addrtype_); + std::stringstream ss; + ss << HostEnt(result.host_); + EXPECT_EQ("{'127.0.0.1' aliases=[] addrs=[127.0.0.1]}", ss.str()); +} + +TEST_P(DefaultChannelModeTest, LiveGetLocalhostByNameIPV6) { + HostResult result; + ares_gethostbyname(channel_, "::1", AF_INET6, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + if (result.status_ != ARES_ENOTFOUND) { + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ(1, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET6, result.host_.addrtype_); + std::stringstream ss; + ss << HostEnt(result.host_); + EXPECT_EQ("{'::1' aliases=[] addrs=[0000:0000:0000:0000:0000:0000:0000:0001]}", ss.str()); + } +} + +TEST_P(DefaultChannelModeTest, LiveGetLocalhostFailFamily) { + HostResult result; + ares_gethostbyname(channel_, "127.0.0.1", AF_INET+AF_INET6, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOTIMP, result.status_); +} + +TEST_P(DefaultChannelModeTest, LiveGetLocalhostByAddrV4) { + HostResult result; + struct in_addr addr; + addr.s_addr = htonl(INADDR_LOOPBACK); + ares_gethostbyaddr(channel_, &addr, sizeof(addr), AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + if (result.status_ != ARES_ENOTFOUND) { + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_LT(0, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET, result.host_.addrtype_); + EXPECT_NE(std::string::npos, + result.host_.name_.find("localhost")); + } +} + +TEST_P(DefaultChannelModeTest, LiveGetLocalhostByAddrV6) { + HostResult result; + struct in6_addr addr = in6addr_loopback; + ares_gethostbyaddr(channel_, &addr, sizeof(addr), AF_INET6, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + if (result.status_ != ARES_ENOTFOUND) { + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_LT(0, (int)result.host_.addrs_.size()); + EXPECT_EQ(AF_INET6, result.host_.addrtype_); + EXPECT_NE(std::string::npos, + result.host_.name_.find("localhost")); + } +} + +TEST_P(DefaultChannelModeTest, LiveGetHostByAddrFailFamily) { + HostResult result; + unsigned char addr[4] = {8, 8, 8, 8}; + ares_gethostbyaddr(channel_, addr, sizeof(addr), AF_INET6+AF_INET, + HostCallback, &result); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOTIMP, result.status_); +} + +TEST_P(DefaultChannelModeTest, LiveGetHostByAddrFailAddrSize) { + HostResult result; + unsigned char addr[4] = {8, 8, 8, 8}; + ares_gethostbyaddr(channel_, addr, sizeof(addr) - 1, AF_INET, + HostCallback, &result); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOTIMP, result.status_); +} + +TEST_P(DefaultChannelModeTest, LiveGetHostByAddrFailAlloc) { + HostResult result; + unsigned char addr[4] = {8, 8, 8, 8}; + SetAllocFail(1); + ares_gethostbyaddr(channel_, addr, sizeof(addr), AF_INET, + HostCallback, &result); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOMEM, result.status_); +} + +INSTANTIATE_TEST_CASE_P(Modes, DefaultChannelModeTest, + ::testing::Values("f", "b", "fb", "bf")); + +TEST_F(DefaultChannelTest, LiveSearchA) { + SearchResult result; + ares_search(channel_, "www.facebook.com.", ns_c_in, ns_t_a, + SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveSearchEmptyA) { + SearchResult result; + ares_search(channel_, "", ns_c_in, ns_t_a, + SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_NE(ARES_SUCCESS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveSearchNS) { + SearchResult result; + ares_search(channel_, "google.com.", ns_c_in, ns_t_ns, + SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveSearchMX) { + SearchResult result; + ares_search(channel_, "google.com.", ns_c_in, ns_t_mx, + SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveSearchTXT) { + SearchResult result; + ares_search(channel_, "google.com.", ns_c_in, ns_t_txt, + SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveSearchSOA) { + SearchResult result; + ares_search(channel_, "google.com.", ns_c_in, ns_t_soa, + SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveSearchSRV) { + SearchResult result; + ares_search(channel_, "_imap._tcp.gmail.com.", ns_c_in, ns_t_srv, + SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveSearchANY) { + SearchResult result; + ares_search(channel_, "google.com.", ns_c_in, ns_t_any, + SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV4) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(53); + sockaddr.sin_addr.s_addr = htonl(0x08080808); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + if (verbose) std::cerr << "8.8.8.8:53 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV4NoPort) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(0); + sockaddr.sin_addr.s_addr = htonl(0x08080808); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + if (verbose) std::cerr << "8.8.8.8:0 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV4UnassignedPort) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(4); // Unassigned at IANA + sockaddr.sin_addr.s_addr = htonl(0x08080808); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + if (verbose) std::cerr << "8.8.8.8:4 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV6Both) { + NameInfoResult result; + struct sockaddr_in6 sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin6_family = AF_INET6; + sockaddr.sin6_port = htons(53); + memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_TCP|ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_NOFQDN, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + if (verbose) std::cerr << "[2001:4860:4860::8888]:53 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV6Neither) { + NameInfoResult result; + struct sockaddr_in6 sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin6_family = AF_INET6; + sockaddr.sin6_port = htons(53); + memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_TCP|ARES_NI_NOFQDN, // Neither specified => assume lookup host. + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + if (verbose) std::cerr << "[2001:4860:4860::8888]:53 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV4Numeric) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(53); + sockaddr.sin_addr.s_addr = htonl(0x08080808); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_TCP|ARES_NI_NUMERICHOST, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ("8.8.8.8", result.node_); + if (verbose) std::cerr << "8.8.8.8:53 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV6Numeric) { + NameInfoResult result; + struct sockaddr_in6 sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin6_family = AF_INET6; + sockaddr.sin6_port = htons(53); + memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_DCCP|ARES_NI_NUMERICHOST, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ("2001:4860:4860::8888%0", result.node_); + if (verbose) std::cerr << "[2001:4860:4860::8888]:53 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV6LinkLocal) { + NameInfoResult result; + struct sockaddr_in6 sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin6_family = AF_INET6; + sockaddr.sin6_port = htons(53); + unsigned char addr6[16] = {0xfe, 0x80, 0x01, 0x02, 0x01, 0x02, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x04}; + memcpy(sockaddr.sin6_addr.s6_addr, addr6, 16); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_DCCP|ARES_NI_NUMERICHOST, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ("fe80:102:102::304%0", result.node_); + if (verbose) std::cerr << "[fe80:102:102::304]:53 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV4NotFound) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(4); // Port 4 unassigned at IANA + // RFC5737 says 192.0.2.0 should not be used publically. + sockaddr.sin_addr.s_addr = htonl(0xC0000200); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ("192.0.2.0", result.node_); + if (verbose) std::cerr << "192.0.2.0:53 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV4NotFoundFail) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(53); + // RFC5737 says 192.0.2.0 should not be used publically. + sockaddr.sin_addr.s_addr = htonl(0xC0000200); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP|ARES_NI_NAMEREQD, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOTFOUND, result.status_); +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoV6NotFound) { + NameInfoResult result; + struct sockaddr_in6 sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin6_family = AF_INET6; + sockaddr.sin6_port = htons(53); + // 2001:db8::/32 is only supposed to be used in documentation. + unsigned char addr6[16] = {0x20, 0x01, 0x0d, 0xb8, 0x01, 0x02, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x04}; + memcpy(sockaddr.sin6_addr.s6_addr, addr6, 16); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ("2001:db8:102::304%0", result.node_); + if (verbose) std::cerr << "[2001:db8:102::304]:53 => " << result.node_ << "/" << result.service_ << std::endl; +} + +TEST_F(DefaultChannelTest, LiveGetNameInvalidFamily) { + NameInfoResult result; + struct sockaddr_in6 sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin6_family = AF_INET6 + AF_INET; + sockaddr.sin6_port = htons(53); + memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOTIMP, result.status_); +} + +TEST_F(DefaultChannelTest, LiveGetNameInvalidFlags) { + NameInfoResult result; + struct sockaddr_in6 sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin6_family = AF_INET6; + sockaddr.sin6_port = htons(53); + memcpy(sockaddr.sin6_addr.s6_addr, gdns_addr6, 16); + // Ask for both a name-required, and a numeric host. + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP|ARES_NI_NUMERICHOST|ARES_NI_NAMEREQD, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_EBADFLAGS, result.status_); +} + +TEST_F(DefaultChannelTest, LiveGetServiceInfo) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(53); + sockaddr.sin_addr.s_addr = htonl(0x08080808); + // Just look up service info + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPSERVICE|ARES_NI_SCTP, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ("", result.node_); +} + +TEST_F(DefaultChannelTest, LiveGetServiceInfoNumeric) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(53); + sockaddr.sin_addr.s_addr = htonl(0x08080808); + // Just look up service info + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPSERVICE|ARES_NI_SCTP|ARES_NI_NUMERICSERV, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + EXPECT_EQ("", result.node_); + EXPECT_EQ("53", result.service_); +} + +TEST_F(DefaultChannelTest, LiveGetNameInfoAllocFail) { + NameInfoResult result; + struct sockaddr_in sockaddr; + memset(&sockaddr, 0, sizeof(sockaddr)); + sockaddr.sin_family = AF_INET; + sockaddr.sin_port = htons(53); + sockaddr.sin_addr.s_addr = htonl(0x08080808); + SetAllocFail(1); + ares_getnameinfo(channel_, (const struct sockaddr*)&sockaddr, sizeof(sockaddr), + ARES_NI_LOOKUPHOST|ARES_NI_LOOKUPSERVICE|ARES_NI_UDP, + NameInfoCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOMEM, result.status_); +} + +TEST_F(DefaultChannelTest, GetSock) { + ares_socket_t socks[3] = {-1, -1, -1}; + int bitmask = ares_getsock(channel_, socks, 3); + EXPECT_EQ(0, bitmask); + bitmask = ares_getsock(channel_, nullptr, 0); + EXPECT_EQ(0, bitmask); + + // Ask again with a pending query. + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + bitmask = ares_getsock(channel_, socks, 3); + EXPECT_NE(0, bitmask); + bitmask = ares_getsock(channel_, nullptr, 0); + EXPECT_EQ(0, bitmask); + + Process(); +} + +TEST_F(LibraryTest, GetTCPSock) { + ares_channel channel; + struct ares_options opts = {0}; + opts.tcp_port = 53; + opts.flags = ARES_FLAG_USEVC; + int optmask = ARES_OPT_TCP_PORT | ARES_OPT_FLAGS; + EXPECT_EQ(ARES_SUCCESS, ares_init_options(&channel, &opts, optmask)); + EXPECT_NE(nullptr, channel); + + ares_socket_t socks[3] = {-1, -1, -1}; + int bitmask = ares_getsock(channel, socks, 3); + EXPECT_EQ(0, bitmask); + bitmask = ares_getsock(channel, nullptr, 0); + EXPECT_EQ(0, bitmask); + + // Ask again with a pending query. + HostResult result; + ares_gethostbyname(channel, "www.google.com.", AF_INET, HostCallback, &result); + bitmask = ares_getsock(channel, socks, 3); + EXPECT_NE(0, bitmask); + bitmask = ares_getsock(channel, nullptr, 0); + EXPECT_EQ(0, bitmask); + + ProcessWork(channel, NoExtraFDs, nullptr); + + ares_destroy(channel); +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-main.cc b/test/ares-test-main.cc new file mode 100644 index 0000000..329d34d --- /dev/null +++ b/test/ares-test-main.cc @@ -0,0 +1,32 @@ +#include <signal.h> +#include <stdlib.h> + +#include "ares-test.h" + +int main(int argc, char* argv[]) { + ::testing::InitGoogleTest(&argc, argv); + for (int ii = 1; ii < argc; ii++) { + if (strcmp(argv[ii], "-v") == 0) { + ares::test::verbose = true; + } else if ((strcmp(argv[ii], "-p") == 0) && (ii + 1 < argc)) { + ii++; + ares::test::mock_port = atoi(argv[ii]); + } + } + +#ifdef WIN32 + WORD wVersionRequested = MAKEWORD(2, 2); + WSADATA wsaData; + WSAStartup(wVersionRequested, &wsaData); +#else + signal(SIGPIPE, SIG_IGN); +#endif + + int rc = RUN_ALL_TESTS(); + +#ifdef WIN32 + WSACleanup(); +#endif + + return rc; +} diff --git a/test/ares-test-misc.cc b/test/ares-test-misc.cc new file mode 100644 index 0000000..bde4678 --- /dev/null +++ b/test/ares-test-misc.cc @@ -0,0 +1,460 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <string> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(DefaultChannelTest, GetServers) { + std::vector<std::string> servers = GetNameServers(channel_); + if (verbose) { + for (const std::string& server : servers) { + std::cerr << "Nameserver: " << server << std::endl; + } + } +} + +TEST_F(DefaultChannelTest, GetServersFailures) { + EXPECT_EQ(ARES_SUCCESS, + ares_set_servers_csv(channel_, "1.2.3.4,2.3.4.5")); + struct ares_addr_node* servers = nullptr; + SetAllocFail(1); + EXPECT_EQ(ARES_ENOMEM, ares_get_servers(channel_, &servers)); + SetAllocFail(2); + EXPECT_EQ(ARES_ENOMEM, ares_get_servers(channel_, &servers)); + EXPECT_EQ(ARES_ENODATA, ares_get_servers(nullptr, &servers)); +} + +TEST_F(DefaultChannelTest, SetServers) { + EXPECT_EQ(ARES_SUCCESS, ares_set_servers(channel_, nullptr)); + std::vector<std::string> empty; + EXPECT_EQ(empty, GetNameServers(channel_)); + + struct ares_addr_node server1; + struct ares_addr_node server2; + server1.next = &server2; + server1.family = AF_INET; + server1.addr.addr4.s_addr = htonl(0x01020304); + server2.next = nullptr; + server2.family = AF_INET; + server2.addr.addr4.s_addr = htonl(0x02030405); + EXPECT_EQ(ARES_ENODATA, ares_set_servers(nullptr, &server1)); + + EXPECT_EQ(ARES_SUCCESS, ares_set_servers(channel_, &server1)); + std::vector<std::string> expected = {"1.2.3.4", "2.3.4.5"}; + EXPECT_EQ(expected, GetNameServers(channel_)); +} + +TEST_F(DefaultChannelTest, SetServersPorts) { + EXPECT_EQ(ARES_SUCCESS, ares_set_servers_ports(channel_, nullptr)); + std::vector<std::string> empty; + EXPECT_EQ(empty, GetNameServers(channel_)); + + struct ares_addr_port_node server1; + struct ares_addr_port_node server2; + server1.next = &server2; + server1.family = AF_INET; + server1.addr.addr4.s_addr = htonl(0x01020304); + server1.udp_port = 111; + server1.tcp_port = 111; + server2.next = nullptr; + server2.family = AF_INET; + server2.addr.addr4.s_addr = htonl(0x02030405); + server2.udp_port = 0; + server2.tcp_port = 0;; + EXPECT_EQ(ARES_ENODATA, ares_set_servers_ports(nullptr, &server1)); + + EXPECT_EQ(ARES_SUCCESS, ares_set_servers_ports(channel_, &server1)); + std::vector<std::string> expected = {"1.2.3.4:111", "2.3.4.5"}; + EXPECT_EQ(expected, GetNameServers(channel_)); +} + +TEST_F(DefaultChannelTest, SetServersCSV) { + EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "1.2.3.4")); + EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "xyzzy,plugh")); + EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "256.1.2.3")); + EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "1.2.3.4.5")); + EXPECT_EQ(ARES_ENODATA, ares_set_servers_csv(nullptr, "1:2:3:4:5")); + + EXPECT_EQ(ARES_SUCCESS, + ares_set_servers_csv(channel_, "1.2.3.4,0102:0304:0506:0708:0910:1112:1314:1516,2.3.4.5")); + std::vector<std::string> expected = {"1.2.3.4", "0102:0304:0506:0708:0910:1112:1314:1516", "2.3.4.5"}; + EXPECT_EQ(expected, GetNameServers(channel_)); + + // Same, with spaces + EXPECT_EQ(ARES_EBADSTR, + ares_set_servers_csv(channel_, "1.2.3.4 , 0102:0304:0506:0708:0910:1112:1314:1516, 2.3.4.5")); + + // Same, with ports + EXPECT_EQ(ARES_SUCCESS, + ares_set_servers_csv(channel_, "1.2.3.4:54,[0102:0304:0506:0708:0910:1112:1314:1516]:80,2.3.4.5:55")); + EXPECT_EQ(expected, GetNameServers(channel_)); + EXPECT_EQ(ARES_SUCCESS, + ares_set_servers_ports_csv(channel_, "1.2.3.4:54,[0102:0304:0506:0708:0910:1112:1314:1516]:80,2.3.4.5:55")); + std::vector<std::string> expected2 = {"1.2.3.4:54", "[0102:0304:0506:0708:0910:1112:1314:1516]:80", "2.3.4.5:55"}; + EXPECT_EQ(expected2, GetNameServers(channel_)); + + // Should survive duplication + ares_channel channel2; + EXPECT_EQ(ARES_SUCCESS, ares_dup(&channel2, channel_)); + EXPECT_EQ(expected2, GetNameServers(channel2)); + ares_destroy(channel2); + + // Allocation failure cases + for (int fail = 1; fail <= 5; fail++) { + SetAllocFail(fail); + EXPECT_EQ(ARES_ENOMEM, + ares_set_servers_csv(channel_, "1.2.3.4,0102:0304:0506:0708:0910:1112:1314:1516,2.3.4.5")); + } + + // Blank servers + EXPECT_EQ(ARES_SUCCESS, ares_set_servers_csv(channel_, "")); + std::vector<std::string> none; + EXPECT_EQ(none, GetNameServers(channel_)); + + EXPECT_EQ(ARES_EBADSTR, ares_set_servers_csv(channel_, "2.3.4.5,1.2.3.4:,3.4.5.6")); + EXPECT_EQ(ARES_EBADSTR, ares_set_servers_csv(channel_, "2.3.4.5,1.2.3.4:Z,3.4.5.6")); +} + +TEST_F(DefaultChannelTest, TimeoutValue) { + struct timeval tinfo; + tinfo.tv_sec = 0; + tinfo.tv_usec = 0; + struct timeval tmax; + tmax.tv_sec = 0; + tmax.tv_usec = 10; + struct timeval* pt; + + // No timers => get max back. + pt = ares_timeout(channel_, &tmax, &tinfo); + EXPECT_EQ(&tmax, pt); + EXPECT_EQ(0, pt->tv_sec); + EXPECT_EQ(10, pt->tv_usec); + + pt = ares_timeout(channel_, nullptr, &tinfo); + EXPECT_EQ(nullptr, pt); + + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + + // Now there's a timer running. + pt = ares_timeout(channel_, &tmax, &tinfo); + EXPECT_EQ(&tmax, pt); + EXPECT_EQ(0, pt->tv_sec); + EXPECT_EQ(10, pt->tv_usec); + + tmax.tv_sec = 100; + pt = ares_timeout(channel_, &tmax, &tinfo); + EXPECT_EQ(&tinfo, pt); + + pt = ares_timeout(channel_, nullptr, &tinfo); + EXPECT_EQ(&tinfo, pt); + + Process(); +} + +TEST_F(LibraryTest, InetNtoP) { + struct in_addr addr; + addr.s_addr = htonl(0x01020304); + char buffer[256]; + EXPECT_EQ(buffer, ares_inet_ntop(AF_INET, &addr, buffer, sizeof(buffer))); + EXPECT_EQ("1.2.3.4", std::string(buffer)); +} + +TEST_F(LibraryTest, Mkquery) { + byte* p; + int len; + ares_mkquery("example.com", ns_c_in, ns_t_a, 0x1234, 0, &p, &len); + std::vector<byte> data(p, p + len); + ares_free_string(p); + + std::string actual = PacketToString(data); + DNSPacket pkt; + pkt.set_qid(0x1234).add_question(new DNSQuestion("example.com", ns_t_a)); + std::string expected = PacketToString(pkt.data()); + EXPECT_EQ(expected, actual); +} + +TEST_F(LibraryTest, CreateQuery) { + byte* p; + int len; + EXPECT_EQ(ARES_SUCCESS, + ares_create_query("exam\\@le.com", ns_c_in, ns_t_a, 0x1234, 0, + &p, &len, 0)); + std::vector<byte> data(p, p + len); + ares_free_string(p); + + std::string actual = PacketToString(data); + DNSPacket pkt; + pkt.set_qid(0x1234).add_question(new DNSQuestion("exam@le.com", ns_t_a)); + std::string expected = PacketToString(pkt.data()); + EXPECT_EQ(expected, actual); +} + +TEST_F(LibraryTest, CreateQueryFailures) { + byte* p; + int len; + // RC1035 has a 255 byte limit on names. + std::string longname; + for (int ii = 0; ii < 17; ii++) { + longname += "fedcba9876543210"; + } + p = nullptr; + EXPECT_EQ(ARES_EBADNAME, + ares_create_query(longname.c_str(), ns_c_in, ns_t_a, 0x1234, 0, + &p, &len, 0)); + if (p) ares_free_string(p); + + SetAllocFail(1); + + p = nullptr; + EXPECT_EQ(ARES_ENOMEM, + ares_create_query("example.com", ns_c_in, ns_t_a, 0x1234, 0, + &p, &len, 0)); + if (p) ares_free_string(p); + + // 63-char limit on a single label + std::string longlabel = "a.a123456789b123456789c123456789d123456789e123456789f123456789g123456789.org"; + p = nullptr; + EXPECT_EQ(ARES_EBADNAME, + ares_create_query(longlabel.c_str(), ns_c_in, ns_t_a, 0x1234, 0, + &p, &len, 0)); + if (p) ares_free_string(p); + + // Empty non-terminal label + p = nullptr; + EXPECT_EQ(ARES_EBADNAME, + ares_create_query("example..com", ns_c_in, ns_t_a, 0x1234, 0, + &p, &len, 0)); + if (p) ares_free_string(p); +} + +TEST_F(DefaultChannelTest, SendFailure) { + unsigned char buf[2]; + SearchResult result; + ares_send(channel_, buf, sizeof(buf), SearchCallback, &result); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_EBADQUERY, result.status_); +} + +std::string ExpandName(const std::vector<byte>& data, int offset, + long *enclen) { + char *name = nullptr; + int rc = ares_expand_name(data.data() + offset, data.data(), data.size(), + &name, enclen); + EXPECT_EQ(ARES_SUCCESS, rc); + std::string result; + if (rc == ARES_SUCCESS) { + result = name; + } else { + result = "<error>"; + } + free(name); + return result; +} + +TEST_F(LibraryTest, ExpandName) { + long enclen; + std::vector<byte> data1 = {1, 'a', 2, 'b', 'c', 3, 'd', 'e', 'f', 0}; + EXPECT_EQ("a.bc.def", ExpandName(data1, 0, &enclen)); + EXPECT_EQ(data1.size(), enclen); + + std::vector<byte> data2 = {0}; + EXPECT_EQ("", ExpandName(data2, 0, &enclen)); + EXPECT_EQ(1, enclen); + + // Complete name indirection + std::vector<byte> data3 = {0x12, 0x23, + 3, 'd', 'e', 'f', 0, + 0xC0, 2}; + EXPECT_EQ("def", ExpandName(data3, 2, &enclen)); + EXPECT_EQ(5, enclen); + EXPECT_EQ("def", ExpandName(data3, 7, &enclen)); + EXPECT_EQ(2, enclen); + + // One label then indirection + std::vector<byte> data4 = {0x12, 0x23, + 3, 'd', 'e', 'f', 0, + 1, 'a', 0xC0, 2}; + EXPECT_EQ("def", ExpandName(data4, 2, &enclen)); + EXPECT_EQ(5, enclen); + EXPECT_EQ("a.def", ExpandName(data4, 7, &enclen)); + EXPECT_EQ(4, enclen); + + // Two labels then indirection + std::vector<byte> data5 = {0x12, 0x23, + 3, 'd', 'e', 'f', 0, + 1, 'a', 1, 'b', 0xC0, 2}; + EXPECT_EQ("def", ExpandName(data5, 2, &enclen)); + EXPECT_EQ(5, enclen); + EXPECT_EQ("a.b.def", ExpandName(data5, 7, &enclen)); + EXPECT_EQ(6, enclen); + + // Empty name, indirection to empty name + std::vector<byte> data6 = {0x12, 0x23, + 0, + 0xC0, 2}; + EXPECT_EQ("", ExpandName(data6, 2, &enclen)); + EXPECT_EQ(1, enclen); + EXPECT_EQ("", ExpandName(data6, 3, &enclen)); + EXPECT_EQ(2, enclen); +} + +TEST_F(LibraryTest, ExpandNameFailure) { + std::vector<byte> data1 = {0x03, 'c', 'o', 'm', 0x00}; + char *name = nullptr; + long enclen; + SetAllocFail(1); + EXPECT_EQ(ARES_ENOMEM, + ares_expand_name(data1.data(), data1.data(), data1.size(), + &name, &enclen)); + + // Empty packet + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data1.data(), data1.data(), 0, &name, &enclen)); + + // Start beyond enclosing data + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data1.data() + data1.size(), data1.data(), data1.size(), + &name, &enclen)); + + // Length beyond size of enclosing data + std::vector<byte> data2a = {0x13, 'c', 'o', 'm', 0x00}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data2a.data(), data2a.data(), data2a.size(), + &name, &enclen)); + std::vector<byte> data2b = {0x1}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data2b.data(), data2b.data(), data2b.size(), + &name, &enclen)); + std::vector<byte> data2c = {0xC0}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data2c.data(), data2c.data(), data2c.size(), + &name, &enclen)); + + // Indirection beyond enclosing data + std::vector<byte> data3a = {0xC0, 0x02}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data3a.data(), data3a.data(), data3a.size(), + &name, &enclen)); + std::vector<byte> data3b = {0xC0, 0x0A, 'c', 'o', 'm', 0x00}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data3b.data(), data3b.data(), data3b.size(), + &name, &enclen)); + + // Invalid top bits in label length + std::vector<byte> data4 = {0x03, 'c', 'o', 'm', 0x00, 0x80, 0x00}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data4.data() + 5, data4.data(), data4.size(), + &name, &enclen)); + + // Label too long: 64-byte label, with invalid top 2 bits of length (01). + std::vector<byte> data5 = {0x40, + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', + 0x00}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data5.data(), data5.data(), data5.size(), + &name, &enclen)) << name; + + // Incomplete indirect length + std::vector<byte> data6 = {0x03, 'c', 'o', 'm', 0x00, 0xC0}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data6.data() + 5, data6.data(), data6.size(), + &name, &enclen)); + + // Indirection loops + std::vector<byte> data7 = {0xC0, 0x02, 0xC0, 0x00}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data7.data(), data7.data(), data7.size(), + &name, &enclen)); + std::vector<byte> data8 = {3, 'd', 'e', 'f', 0xC0, 0x08, 0x00, 0x00, + 3, 'a', 'b', 'c', 0xC0, 0x00}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data8.data(), data8.data(), data8.size(), + &name, &enclen)); + std::vector<byte> data9 = {0x12, 0x23, // start 2 bytes in + 3, 'd', 'e', 'f', 0xC0, 0x02}; + EXPECT_EQ(ARES_EBADNAME, + ares_expand_name(data9.data() + 2, data9.data(), data9.size(), + &name, &enclen)); +} + +TEST_F(LibraryTest, CreateEDNSQuery) { + byte* p; + int len; + EXPECT_EQ(ARES_SUCCESS, + ares_create_query("example.com", ns_c_in, ns_t_a, 0x1234, 0, + &p, &len, 1280)); + std::vector<byte> data(p, p + len); + ares_free_string(p); + + std::string actual = PacketToString(data); + DNSPacket pkt; + pkt.set_qid(0x1234).add_question(new DNSQuestion("example.com", ns_t_a)) + .add_additional(new DNSOptRR(0, 1280)); + std::string expected = PacketToString(pkt.data()); + EXPECT_EQ(expected, actual); +} + +TEST_F(LibraryTest, CreateRootQuery) { + byte* p; + int len; + ares_create_query(".", ns_c_in, ns_t_a, 0x1234, 0, &p, &len, 0); + std::vector<byte> data(p, p + len); + ares_free_string(p); + + std::string actual = PacketToString(data); + DNSPacket pkt; + pkt.set_qid(0x1234).add_question(new DNSQuestion("", ns_t_a)); + std::string expected = PacketToString(pkt.data()); + EXPECT_EQ(expected, actual); +} + +TEST_F(LibraryTest, Version) { + // Assume linked to same version + EXPECT_EQ(std::string(ARES_VERSION_STR), + std::string(ares_version(nullptr))); + int version; + ares_version(&version); + EXPECT_EQ(ARES_VERSION, version); +} + +TEST_F(LibraryTest, Strerror) { + EXPECT_EQ("Successful completion", + std::string(ares_strerror(ARES_SUCCESS))); + EXPECT_EQ("DNS query cancelled", + std::string(ares_strerror(ARES_ECANCELLED))); + EXPECT_EQ("unknown", + std::string(ares_strerror(99))); +} + +TEST_F(LibraryTest, ExpandString) { + std::vector<byte> s1 = { 3, 'a', 'b', 'c'}; + char* result = nullptr; + long len; + EXPECT_EQ(ARES_SUCCESS, + ares_expand_string(s1.data(), s1.data(), s1.size(), + (unsigned char**)&result, &len)); + EXPECT_EQ("abc", std::string(result)); + EXPECT_EQ(1 + 3, len); // amount of data consumed includes 1 byte len + free(result); + result = nullptr; + EXPECT_EQ(ARES_EBADSTR, + ares_expand_string(s1.data() + 1, s1.data(), s1.size(), + (unsigned char**)&result, &len)); + EXPECT_EQ(ARES_EBADSTR, + ares_expand_string(s1.data() + 4, s1.data(), s1.size(), + (unsigned char**)&result, &len)); + SetAllocSizeFail(3 + 1); + EXPECT_EQ(ARES_ENOMEM, + ares_expand_string(s1.data(), s1.data(), s1.size(), + (unsigned char**)&result, &len)); +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-mock.cc b/test/ares-test-mock.cc new file mode 100644 index 0000000..29b77b1 --- /dev/null +++ b/test/ares-test-mock.cc @@ -0,0 +1,1138 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +using testing::InvokeWithoutArgs; +using testing::DoAll; + +namespace ares { +namespace test { + +TEST_P(MockChannelTest, Basic) { + std::vector<byte> reply = { + 0x00, 0x00, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // 1 question + 0x00, 0x01, // 1 answer RRs + 0x00, 0x00, // 0 authority RRs + 0x00, 0x00, // 0 additional RRs + // Question + 0x03, 'w', 'w', 'w', + 0x06, 'g', 'o', 'o', 'g', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + // Answer + 0x03, 'w', 'w', 'w', + 0x06, 'g', 'o', 'o', 'g', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + 0x00, 0x00, 0x01, 0x00, // TTL + 0x00, 0x04, // rdata length + 0x01, 0x02, 0x03, 0x04 + }; + + ON_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillByDefault(SetReplyData(&server_, reply)); + + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[1.2.3.4]}", ss.str()); +} + +// UDP only so mock server doesn't get confused by concatenated requests +TEST_P(MockUDPChannelTest, ParallelLookups) { + DNSPacket rsp1; + rsp1.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)) + .add_answer(new DNSARR("www.google.com", 100, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp1)); + DNSPacket rsp2; + rsp2.set_response().set_aa() + .add_question(new DNSQuestion("www.example.com", ns_t_a)) + .add_answer(new DNSARR("www.example.com", 100, {1, 2, 3, 4})); + ON_CALL(server_, OnRequest("www.example.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp2)); + + HostResult result1; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result1); + HostResult result2; + ares_gethostbyname(channel_, "www.example.com.", AF_INET, HostCallback, &result2); + HostResult result3; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result3); + Process(); + EXPECT_TRUE(result1.done_); + EXPECT_TRUE(result2.done_); + EXPECT_TRUE(result3.done_); + std::stringstream ss1; + ss1 << result1.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[2.3.4.5]}", ss1.str()); + std::stringstream ss2; + ss2 << result2.host_; + EXPECT_EQ("{'www.example.com' aliases=[] addrs=[1.2.3.4]}", ss2.str()); + std::stringstream ss3; + ss3 << result3.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[2.3.4.5]}", ss3.str()); +} + +// UDP to TCP specific test +TEST_P(MockUDPChannelTest, TruncationRetry) { + DNSPacket rsptruncated; + rsptruncated.set_response().set_aa().set_tc() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + DNSPacket rspok; + rspok.set_response() + .add_question(new DNSQuestion("www.google.com", ns_t_a)) + .add_answer(new DNSARR("www.google.com", 100, {1, 2, 3, 4})); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rsptruncated)) + .WillOnce(SetReply(&server_, &rspok)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[1.2.3.4]}", ss.str()); +} + +static int sock_cb_count = 0; +static int SocketConnectCallback(ares_socket_t fd, int type, void *data) { + int rc = *(int*)data; + if (verbose) std::cerr << "SocketConnectCallback(" << fd << ") invoked" << std::endl; + sock_cb_count++; + return rc; +} + +TEST_P(MockChannelTest, SockCallback) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)) + .add_answer(new DNSARR("www.google.com", 100, {2, 3, 4, 5})); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rsp)); + + // Get notified of new sockets + int rc = ARES_SUCCESS; + ares_set_socket_callback(channel_, SocketConnectCallback, &rc); + + HostResult result; + sock_cb_count = 0; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_EQ(1, sock_cb_count); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +TEST_P(MockChannelTest, SockFailCallback) { + // Notification of new sockets gives an error. + int rc = -1; + ares_set_socket_callback(channel_, SocketConnectCallback, &rc); + + HostResult result; + sock_cb_count = 0; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_LT(1, sock_cb_count); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ECONNREFUSED, result.status_); +} + +static int sock_config_cb_count = 0; +static int SocketConfigureCallback(ares_socket_t fd, int type, void *data) { + int rc = *(int*)data; + if (verbose) std::cerr << "SocketConfigureCallback(" << fd << ") invoked" << std::endl; + sock_config_cb_count++; + return rc; +} + +TEST_P(MockChannelTest, SockConfigureCallback) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)) + .add_answer(new DNSARR("www.google.com", 100, {2, 3, 4, 5})); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rsp)); + + // Get notified of new sockets + int rc = ARES_SUCCESS; + ares_set_socket_configure_callback(channel_, SocketConfigureCallback, &rc); + + HostResult result; + sock_config_cb_count = 0; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_EQ(1, sock_config_cb_count); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +TEST_P(MockChannelTest, SockConfigureFailCallback) { + // Notification of new sockets gives an error. + int rc = -1; + ares_set_socket_configure_callback(channel_, SocketConfigureCallback, &rc); + + HostResult result; + sock_config_cb_count = 0; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_LT(1, sock_config_cb_count); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ECONNREFUSED, result.status_); +} + +// TCP only to prevent retries +TEST_P(MockTCPChannelTest, MalformedResponse) { + std::vector<byte> one = {0x01}; + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReplyData(&server_, one)); + + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ETIMEOUT, result.status_); +} + +TEST_P(MockTCPChannelTest, FormErrResponse) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + rsp.set_rcode(ns_r_formerr); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rsp)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_EFORMERR, result.status_); +} + +TEST_P(MockTCPChannelTest, ServFailResponse) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + rsp.set_rcode(ns_r_servfail); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rsp)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + // ARES_FLAG_NOCHECKRESP not set, so SERVFAIL consumed + EXPECT_EQ(ARES_ECONNREFUSED, result.status_); +} + +TEST_P(MockTCPChannelTest, NotImplResponse) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + rsp.set_rcode(ns_r_notimpl); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rsp)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + // ARES_FLAG_NOCHECKRESP not set, so NOTIMPL consumed + EXPECT_EQ(ARES_ECONNREFUSED, result.status_); +} + +TEST_P(MockTCPChannelTest, RefusedResponse) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + rsp.set_rcode(ns_r_refused); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rsp)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + // ARES_FLAG_NOCHECKRESP not set, so REFUSED consumed + EXPECT_EQ(ARES_ECONNREFUSED, result.status_); +} + +TEST_P(MockTCPChannelTest, YXDomainResponse) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + rsp.set_rcode(ns_r_yxdomain); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rsp)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENODATA, result.status_); +} + +class MockExtraOptsTest + : public MockChannelOptsTest, + public ::testing::WithParamInterface< std::pair<int, bool> > { + public: + MockExtraOptsTest() + : MockChannelOptsTest(1, GetParam().first, GetParam().second, + FillOptions(&opts_), + ARES_OPT_SOCK_SNDBUF|ARES_OPT_SOCK_RCVBUF) {} + static struct ares_options* FillOptions(struct ares_options * opts) { + memset(opts, 0, sizeof(struct ares_options)); + // Set a few options that affect socket communications + opts->socket_send_buffer_size = 514; + opts->socket_receive_buffer_size = 514; + return opts; + } + private: + struct ares_options opts_; +}; + +TEST_P(MockExtraOptsTest, SimpleQuery) { + ares_set_local_ip4(channel_, 0x7F000001); + byte addr6[16] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}; + ares_set_local_ip6(channel_, addr6); + ares_set_local_dev(channel_, "dummy"); + + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)) + .add_answer(new DNSARR("www.google.com", 100, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp)); + + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +class MockFlagsChannelOptsTest + : public MockChannelOptsTest, + public ::testing::WithParamInterface< std::pair<int, bool> > { + public: + MockFlagsChannelOptsTest(int flags) + : MockChannelOptsTest(1, GetParam().first, GetParam().second, + FillOptions(&opts_, flags), ARES_OPT_FLAGS) {} + static struct ares_options* FillOptions(struct ares_options * opts, int flags) { + memset(opts, 0, sizeof(struct ares_options)); + opts->flags = flags; + return opts; + } + private: + struct ares_options opts_; +}; + +class MockNoCheckRespChannelTest : public MockFlagsChannelOptsTest { + public: + MockNoCheckRespChannelTest() : MockFlagsChannelOptsTest(ARES_FLAG_NOCHECKRESP) {} +}; + +TEST_P(MockNoCheckRespChannelTest, ServFailResponse) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + rsp.set_rcode(ns_r_servfail); + ON_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ESERVFAIL, result.status_); +} + +TEST_P(MockNoCheckRespChannelTest, NotImplResponse) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + rsp.set_rcode(ns_r_notimpl); + ON_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOTIMP, result.status_); +} + +TEST_P(MockNoCheckRespChannelTest, RefusedResponse) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + rsp.set_rcode(ns_r_refused); + ON_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_EREFUSED, result.status_); +} + +class MockEDNSChannelTest : public MockFlagsChannelOptsTest { + public: + MockEDNSChannelTest() : MockFlagsChannelOptsTest(ARES_FLAG_EDNS) {} +}; + +TEST_P(MockEDNSChannelTest, RetryWithoutEDNS) { + DNSPacket rspfail; + rspfail.set_response().set_aa().set_rcode(ns_r_servfail) + .add_question(new DNSQuestion("www.google.com", ns_t_a)); + DNSPacket rspok; + rspok.set_response() + .add_question(new DNSQuestion("www.google.com", ns_t_a)) + .add_answer(new DNSARR("www.google.com", 100, {1, 2, 3, 4})); + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReply(&server_, &rspfail)) + .WillOnce(SetReply(&server_, &rspok)); + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[1.2.3.4]}", ss.str()); +} + +TEST_P(MockChannelTest, SearchDomains) { + DNSPacket nofirst; + nofirst.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.first.com", ns_t_a)); + ON_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &nofirst)); + DNSPacket nosecond; + nosecond.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.second.org", ns_t_a)); + ON_CALL(server_, OnRequest("www.second.org", ns_t_a)) + .WillByDefault(SetReply(&server_, &nosecond)); + DNSPacket yesthird; + yesthird.set_response().set_aa() + .add_question(new DNSQuestion("www.third.gov", ns_t_a)) + .add_answer(new DNSARR("www.third.gov", 0x0200, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("www.third.gov", ns_t_a)) + .WillByDefault(SetReply(&server_, &yesthird)); + + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.third.gov' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +// Relies on retries so is UDP-only +TEST_P(MockUDPChannelTest, SearchDomainsWithResentReply) { + DNSPacket nofirst; + nofirst.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.first.com", ns_t_a)); + EXPECT_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillOnce(SetReply(&server_, &nofirst)); + DNSPacket nosecond; + nosecond.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.second.org", ns_t_a)); + EXPECT_CALL(server_, OnRequest("www.second.org", ns_t_a)) + .WillOnce(SetReply(&server_, &nosecond)); + DNSPacket yesthird; + yesthird.set_response().set_aa() + .add_question(new DNSQuestion("www.third.gov", ns_t_a)) + .add_answer(new DNSARR("www.third.gov", 0x0200, {2, 3, 4, 5})); + // Before sending the real answer, resend an earlier reply + EXPECT_CALL(server_, OnRequest("www.third.gov", ns_t_a)) + .WillOnce(DoAll(SetReply(&server_, &nofirst), + SetReplyQID(&server_, 123))) + .WillOnce(DoAll(SetReply(&server_, &yesthird), + SetReplyQID(&server_, -1))); + + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.third.gov' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +TEST_P(MockChannelTest, SearchDomainsBare) { + DNSPacket nofirst; + nofirst.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.first.com", ns_t_a)); + ON_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &nofirst)); + DNSPacket nosecond; + nosecond.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.second.org", ns_t_a)); + ON_CALL(server_, OnRequest("www.second.org", ns_t_a)) + .WillByDefault(SetReply(&server_, &nosecond)); + DNSPacket nothird; + nothird.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.third.gov", ns_t_a)); + ON_CALL(server_, OnRequest("www.third.gov", ns_t_a)) + .WillByDefault(SetReply(&server_, ¬hird)); + DNSPacket yesbare; + yesbare.set_response().set_aa() + .add_question(new DNSQuestion("www", ns_t_a)) + .add_answer(new DNSARR("www", 0x0200, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("www", ns_t_a)) + .WillByDefault(SetReply(&server_, &yesbare)); + + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +TEST_P(MockChannelTest, SearchNoDataThenSuccess) { + // First two search domains recognize the name but have no A records. + DNSPacket nofirst; + nofirst.set_response().set_aa() + .add_question(new DNSQuestion("www.first.com", ns_t_a)); + ON_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &nofirst)); + DNSPacket nosecond; + nosecond.set_response().set_aa() + .add_question(new DNSQuestion("www.second.org", ns_t_a)); + ON_CALL(server_, OnRequest("www.second.org", ns_t_a)) + .WillByDefault(SetReply(&server_, &nosecond)); + DNSPacket yesthird; + yesthird.set_response().set_aa() + .add_question(new DNSQuestion("www.third.gov", ns_t_a)) + .add_answer(new DNSARR("www.third.gov", 0x0200, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("www.third.gov", ns_t_a)) + .WillByDefault(SetReply(&server_, &yesthird)); + + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.third.gov' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +TEST_P(MockChannelTest, SearchNoDataThenNoDataBare) { + // First two search domains recognize the name but have no A records. + DNSPacket nofirst; + nofirst.set_response().set_aa() + .add_question(new DNSQuestion("www.first.com", ns_t_a)); + ON_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &nofirst)); + DNSPacket nosecond; + nosecond.set_response().set_aa() + .add_question(new DNSQuestion("www.second.org", ns_t_a)); + ON_CALL(server_, OnRequest("www.second.org", ns_t_a)) + .WillByDefault(SetReply(&server_, &nosecond)); + DNSPacket nothird; + nothird.set_response().set_aa() + .add_question(new DNSQuestion("www.third.gov", ns_t_a)); + ON_CALL(server_, OnRequest("www.third.gov", ns_t_a)) + .WillByDefault(SetReply(&server_, ¬hird)); + DNSPacket nobare; + nobare.set_response().set_aa() + .add_question(new DNSQuestion("www", ns_t_a)); + ON_CALL(server_, OnRequest("www", ns_t_a)) + .WillByDefault(SetReply(&server_, &nobare)); + + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENODATA, result.status_); +} + +TEST_P(MockChannelTest, SearchNoDataThenFail) { + // First two search domains recognize the name but have no A records. + DNSPacket nofirst; + nofirst.set_response().set_aa() + .add_question(new DNSQuestion("www.first.com", ns_t_a)); + ON_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &nofirst)); + DNSPacket nosecond; + nosecond.set_response().set_aa() + .add_question(new DNSQuestion("www.second.org", ns_t_a)); + ON_CALL(server_, OnRequest("www.second.org", ns_t_a)) + .WillByDefault(SetReply(&server_, &nosecond)); + DNSPacket nothird; + nothird.set_response().set_aa() + .add_question(new DNSQuestion("www.third.gov", ns_t_a)); + ON_CALL(server_, OnRequest("www.third.gov", ns_t_a)) + .WillByDefault(SetReply(&server_, ¬hird)); + DNSPacket nobare; + nobare.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www", ns_t_a)); + ON_CALL(server_, OnRequest("www", ns_t_a)) + .WillByDefault(SetReply(&server_, &nobare)); + + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENODATA, result.status_); +} + +TEST_P(MockChannelTest, SearchAllocFailure) { + SearchResult result; + SetAllocFail(1); + ares_search(channel_, "fully.qualified.", ns_c_in, ns_t_a, SearchCallback, &result); + /* Already done */ + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ENOMEM, result.status_); +} + +TEST_P(MockChannelTest, SearchHighNdots) { + DNSPacket nobare; + nobare.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("a.b.c.w.w.w", ns_t_a)); + ON_CALL(server_, OnRequest("a.b.c.w.w.w", ns_t_a)) + .WillByDefault(SetReply(&server_, &nobare)); + DNSPacket yesfirst; + yesfirst.set_response().set_aa() + .add_question(new DNSQuestion("a.b.c.w.w.w.first.com", ns_t_a)) + .add_answer(new DNSARR("a.b.c.w.w.w.first.com", 0x0200, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("a.b.c.w.w.w.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &yesfirst)); + + SearchResult result; + ares_search(channel_, "a.b.c.w.w.w", ns_c_in, ns_t_a, SearchCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_SUCCESS, result.status_); + std::stringstream ss; + ss << PacketToString(result.data_); + EXPECT_EQ("RSP QRY AA NOERROR Q:{'a.b.c.w.w.w.first.com' IN A} " + "A:{'a.b.c.w.w.w.first.com' IN A TTL=512 2.3.4.5}", + ss.str()); +} + +TEST_P(MockChannelTest, UnspecifiedFamilyV6) { + DNSPacket rsp6; + rsp6.set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)) + .add_answer(new DNSAaaaRR("example.com", 100, + {0x21, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03})); + ON_CALL(server_, OnRequest("example.com", ns_t_aaaa)) + .WillByDefault(SetReply(&server_, &rsp6)); + + HostResult result; + ares_gethostbyname(channel_, "example.com.", AF_UNSPEC, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + // Default to IPv6 when both are available. + EXPECT_EQ("{'example.com' aliases=[] addrs=[2121:0000:0000:0000:0000:0000:0000:0303]}", ss.str()); +} + +TEST_P(MockChannelTest, UnspecifiedFamilyV4) { + DNSPacket rsp4; + rsp4.set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_a)) + .add_answer(new DNSARR("example.com", 100, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("example.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp4)); + DNSPacket rsp6; + rsp6.set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)); + ON_CALL(server_, OnRequest("example.com", ns_t_aaaa)) + .WillByDefault(SetReply(&server_, &rsp6)); + + HostResult result; + ares_gethostbyname(channel_, "example.com.", AF_UNSPEC, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'example.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +TEST_P(MockChannelTest, UnspecifiedFamilyNoData) { + DNSPacket rsp4; + rsp4.set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_a)); + ON_CALL(server_, OnRequest("example.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp4)); + DNSPacket rsp6; + rsp6.set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)) + .add_answer(new DNSCnameRR("example.com", 100, "elsewhere.com")); + ON_CALL(server_, OnRequest("example.com", ns_t_aaaa)) + .WillByDefault(SetReply(&server_, &rsp6)); + + HostResult result; + ares_gethostbyname(channel_, "example.com.", AF_UNSPEC, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'' aliases=[] addrs=[]}", ss.str()); +} + +TEST_P(MockChannelTest, ExplicitIP) { + HostResult result; + ares_gethostbyname(channel_, "1.2.3.4", AF_INET, HostCallback, &result); + EXPECT_TRUE(result.done_); // Immediate return + EXPECT_EQ(ARES_SUCCESS, result.status_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'1.2.3.4' aliases=[] addrs=[1.2.3.4]}", ss.str()); +} + +TEST_P(MockChannelTest, ExplicitIPAllocFail) { + HostResult result; + SetAllocSizeFail(strlen("1.2.3.4") + 1); + ares_gethostbyname(channel_, "1.2.3.4", AF_INET, HostCallback, &result); + EXPECT_TRUE(result.done_); // Immediate return + EXPECT_EQ(ARES_ENOMEM, result.status_); +} + +TEST_P(MockChannelTest, SortListV4) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_a)) + .add_answer(new DNSARR("example.com", 100, {22, 23, 24, 25})) + .add_answer(new DNSARR("example.com", 100, {12, 13, 14, 15})) + .add_answer(new DNSARR("example.com", 100, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("example.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &rsp)); + + { + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "12.13.0.0/255.255.0.0 1234::5678")); + HostResult result; + ares_gethostbyname(channel_, "example.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'example.com' aliases=[] addrs=[12.13.14.15, 22.23.24.25, 2.3.4.5]}", ss.str()); + } + { + EXPECT_EQ(ARES_SUCCESS, ares_set_sortlist(channel_, "2.3.0.0/16 130.140.150.160/26")); + HostResult result; + ares_gethostbyname(channel_, "example.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'example.com' aliases=[] addrs=[2.3.4.5, 22.23.24.25, 12.13.14.15]}", ss.str()); + } + struct ares_options options; + memset(&options, 0, sizeof(options)); + int optmask = 0; + EXPECT_EQ(ARES_SUCCESS, ares_save_options(channel_, &options, &optmask)); + EXPECT_TRUE((optmask & ARES_OPT_SORTLIST) == ARES_OPT_SORTLIST); + ares_destroy_options(&options); +} + +TEST_P(MockChannelTest, SortListV6) { + DNSPacket rsp; + rsp.set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)) + .add_answer(new DNSAaaaRR("example.com", 100, + {0x11, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02})) + .add_answer(new DNSAaaaRR("example.com", 100, + {0x21, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03})); + ON_CALL(server_, OnRequest("example.com", ns_t_aaaa)) + .WillByDefault(SetReply(&server_, &rsp)); + + { + ares_set_sortlist(channel_, "1111::/16 2.3.0.0/255.255.0.0"); + HostResult result; + ares_gethostbyname(channel_, "example.com.", AF_INET6, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'example.com' aliases=[] addrs=[1111:0000:0000:0000:0000:0000:0000:0202, " + "2121:0000:0000:0000:0000:0000:0000:0303]}", ss.str()); + } + { + ares_set_sortlist(channel_, "2121::/8"); + HostResult result; + ares_gethostbyname(channel_, "example.com.", AF_INET6, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'example.com' aliases=[] addrs=[2121:0000:0000:0000:0000:0000:0000:0303, " + "1111:0000:0000:0000:0000:0000:0000:0202]}", ss.str()); + } +} + +// Relies on retries so is UDP-only +TEST_P(MockUDPChannelTest, SearchDomainsAllocFail) { + DNSPacket nofirst; + nofirst.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.first.com", ns_t_a)); + ON_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &nofirst)); + DNSPacket nosecond; + nosecond.set_response().set_aa().set_rcode(ns_r_nxdomain) + .add_question(new DNSQuestion("www.second.org", ns_t_a)); + ON_CALL(server_, OnRequest("www.second.org", ns_t_a)) + .WillByDefault(SetReply(&server_, &nosecond)); + DNSPacket yesthird; + yesthird.set_response().set_aa() + .add_question(new DNSQuestion("www.third.gov", ns_t_a)) + .add_answer(new DNSARR("www.third.gov", 0x0200, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("www.third.gov", ns_t_a)) + .WillByDefault(SetReply(&server_, &yesthird)); + + // Fail a variety of different memory allocations, and confirm + // that the operation either fails with ENOMEM or succeeds + // with the expected result. + const int kCount = 34; + HostResult results[kCount]; + for (int ii = 1; ii <= kCount; ii++) { + HostResult* result = &(results[ii - 1]); + ClearFails(); + SetAllocFail(ii); + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, result); + Process(); + EXPECT_TRUE(result->done_); + if (result->status_ == ARES_SUCCESS) { + std::stringstream ss; + ss << result->host_; + EXPECT_EQ("{'www.third.gov' aliases=[] addrs=[2.3.4.5]}", ss.str()) << " failed alloc #" << ii; + if (verbose) std::cerr << "Succeeded despite failure of alloc #" << ii << std::endl; + } + } + + // Explicitly destroy the channel now, so that the HostResult objects + // are still valid (in case any pending work refers to them). + ares_destroy(channel_); + channel_ = nullptr; +} + +// Relies on retries so is UDP-only +TEST_P(MockUDPChannelTest, Resend) { + std::vector<byte> nothing; + DNSPacket reply; + reply.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)) + .add_answer(new DNSARR("www.google.com", 0x0100, {0x01, 0x02, 0x03, 0x04})); + + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReplyData(&server_, nothing)) + .WillOnce(SetReplyData(&server_, nothing)) + .WillOnce(SetReply(&server_, &reply)); + + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(2, result.timeouts_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[1.2.3.4]}", ss.str()); +} + +TEST_P(MockChannelTest, CancelImmediate) { + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + ares_cancel(channel_); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ECANCELLED, result.status_); + EXPECT_EQ(0, result.timeouts_); +} + +// Relies on retries so is UDP-only +TEST_P(MockUDPChannelTest, CancelLater) { + std::vector<byte> nothing; + + // On second request, cancel the channel. + EXPECT_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillOnce(SetReplyData(&server_, nothing)) + .WillOnce(CancelChannel(&server_, channel_)); + + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_ECANCELLED, result.status_); + EXPECT_EQ(0, result.timeouts_); +} + +TEST_P(MockChannelTest, GetHostByNameDestroyAbsolute) { + HostResult result; + ares_gethostbyname(channel_, "www.google.com.", AF_INET, HostCallback, &result); + + ares_destroy(channel_); + channel_ = nullptr; + + EXPECT_TRUE(result.done_); // Synchronous + EXPECT_EQ(ARES_EDESTRUCTION, result.status_); + EXPECT_EQ(0, result.timeouts_); +} + +TEST_P(MockChannelTest, GetHostByNameDestroyRelative) { + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + + ares_destroy(channel_); + channel_ = nullptr; + + EXPECT_TRUE(result.done_); // Synchronous + EXPECT_EQ(ARES_EDESTRUCTION, result.status_); + EXPECT_EQ(0, result.timeouts_); +} + +TEST_P(MockChannelTest, GetHostByAddrDestroy) { + unsigned char gdns_addr4[4] = {0x08, 0x08, 0x08, 0x08}; + HostResult result; + ares_gethostbyaddr(channel_, gdns_addr4, sizeof(gdns_addr4), AF_INET, HostCallback, &result); + + ares_destroy(channel_); + channel_ = nullptr; + + EXPECT_TRUE(result.done_); // Synchronous + EXPECT_EQ(ARES_EDESTRUCTION, result.status_); + EXPECT_EQ(0, result.timeouts_); +} + +#ifndef WIN32 +TEST_P(MockChannelTest, HostAlias) { + DNSPacket reply; + reply.set_response().set_aa() + .add_question(new DNSQuestion("www.google.com", ns_t_a)) + .add_answer(new DNSARR("www.google.com", 0x0100, {0x01, 0x02, 0x03, 0x04})); + ON_CALL(server_, OnRequest("www.google.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &reply)); + + TempFile aliases("\n\n# www commentedout\nwww www.google.com\n"); + EnvValue with_env("HOSTALIASES", aliases.filename()); + + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.google.com' aliases=[] addrs=[1.2.3.4]}", ss.str()); +} + +TEST_P(MockChannelTest, HostAliasMissing) { + DNSPacket yesfirst; + yesfirst.set_response().set_aa() + .add_question(new DNSQuestion("www.first.com", ns_t_a)) + .add_answer(new DNSARR("www.first.com", 0x0200, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &yesfirst)); + + TempFile aliases("\n\n# www commentedout\nww www.google.com\n"); + EnvValue with_env("HOSTALIASES", aliases.filename()); + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.first.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +TEST_P(MockChannelTest, HostAliasMissingFile) { + DNSPacket yesfirst; + yesfirst.set_response().set_aa() + .add_question(new DNSQuestion("www.first.com", ns_t_a)) + .add_answer(new DNSARR("www.first.com", 0x0200, {2, 3, 4, 5})); + ON_CALL(server_, OnRequest("www.first.com", ns_t_a)) + .WillByDefault(SetReply(&server_, &yesfirst)); + + EnvValue with_env("HOSTALIASES", "bogus.mcfile"); + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.first.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); +} + +TEST_P(MockChannelTest, HostAliasUnreadable) { + TempFile aliases("www www.google.com\n"); + chmod(aliases.filename(), 0); + EnvValue with_env("HOSTALIASES", aliases.filename()); + + HostResult result; + ares_gethostbyname(channel_, "www", AF_INET, HostCallback, &result); + EXPECT_TRUE(result.done_); + EXPECT_EQ(ARES_EFILE, result.status_); + chmod(aliases.filename(), 0777); +} +#endif + +class MockMultiServerChannelTest + : public MockChannelOptsTest, + public ::testing::WithParamInterface< std::pair<int, bool> > { + public: + MockMultiServerChannelTest(bool rotate) + : MockChannelOptsTest(3, GetParam().first, GetParam().second, nullptr, rotate ? ARES_OPT_ROTATE : 0) {} + void CheckExample() { + HostResult result; + ares_gethostbyname(channel_, "www.example.com.", AF_INET, HostCallback, &result); + Process(); + EXPECT_TRUE(result.done_); + std::stringstream ss; + ss << result.host_; + EXPECT_EQ("{'www.example.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); + } +}; + +class RotateMultiMockTest : public MockMultiServerChannelTest { + public: + RotateMultiMockTest() : MockMultiServerChannelTest(true) {} +}; + +class NoRotateMultiMockTest : public MockMultiServerChannelTest { + public: + NoRotateMultiMockTest() : MockMultiServerChannelTest(false) {} +}; + + +TEST_P(RotateMultiMockTest, ThirdServer) { + DNSPacket servfailrsp; + servfailrsp.set_response().set_aa().set_rcode(ns_r_servfail) + .add_question(new DNSQuestion("www.example.com", ns_t_a)); + DNSPacket notimplrsp; + notimplrsp.set_response().set_aa().set_rcode(ns_r_notimpl) + .add_question(new DNSQuestion("www.example.com", ns_t_a)); + DNSPacket okrsp; + okrsp.set_response().set_aa() + .add_question(new DNSQuestion("www.example.com", ns_t_a)) + .add_answer(new DNSARR("www.example.com", 100, {2,3,4,5})); + + EXPECT_CALL(*servers_[0], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[0].get(), &servfailrsp)); + EXPECT_CALL(*servers_[1], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[1].get(), ¬implrsp)); + EXPECT_CALL(*servers_[2], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[2].get(), &okrsp)); + CheckExample(); + + // Second time around, starts from server [1]. + EXPECT_CALL(*servers_[1], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[1].get(), &servfailrsp)); + EXPECT_CALL(*servers_[2], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[2].get(), ¬implrsp)); + EXPECT_CALL(*servers_[0], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[0].get(), &okrsp)); + CheckExample(); + + // Third time around, starts from server [2]. + EXPECT_CALL(*servers_[2], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[2].get(), &servfailrsp)); + EXPECT_CALL(*servers_[0], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[0].get(), ¬implrsp)); + EXPECT_CALL(*servers_[1], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[1].get(), &okrsp)); + CheckExample(); +} + +TEST_P(NoRotateMultiMockTest, ThirdServer) { + DNSPacket servfailrsp; + servfailrsp.set_response().set_aa().set_rcode(ns_r_servfail) + .add_question(new DNSQuestion("www.example.com", ns_t_a)); + DNSPacket notimplrsp; + notimplrsp.set_response().set_aa().set_rcode(ns_r_notimpl) + .add_question(new DNSQuestion("www.example.com", ns_t_a)); + DNSPacket okrsp; + okrsp.set_response().set_aa() + .add_question(new DNSQuestion("www.example.com", ns_t_a)) + .add_answer(new DNSARR("www.example.com", 100, {2,3,4,5})); + + EXPECT_CALL(*servers_[0], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[0].get(), &servfailrsp)); + EXPECT_CALL(*servers_[1], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[1].get(), ¬implrsp)); + EXPECT_CALL(*servers_[2], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[2].get(), &okrsp)); + CheckExample(); + + // Second time around, still starts from server [0]. + EXPECT_CALL(*servers_[0], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[0].get(), &servfailrsp)); + EXPECT_CALL(*servers_[1], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[1].get(), ¬implrsp)); + EXPECT_CALL(*servers_[2], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[2].get(), &okrsp)); + CheckExample(); + + // Third time around, still starts from server [0]. + EXPECT_CALL(*servers_[0], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[0].get(), &servfailrsp)); + EXPECT_CALL(*servers_[1], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[1].get(), ¬implrsp)); + EXPECT_CALL(*servers_[2], OnRequest("www.example.com", ns_t_a)) + .WillOnce(SetReply(servers_[2].get(), &okrsp)); + CheckExample(); +} + + +INSTANTIATE_TEST_CASE_P(AddressFamilies, MockChannelTest, + ::testing::Values(std::make_pair<int, bool>(AF_INET, false), + std::make_pair<int, bool>(AF_INET, true), + std::make_pair<int, bool>(AF_INET6, false), + std::make_pair<int, bool>(AF_INET6, true))); + +INSTANTIATE_TEST_CASE_P(AddressFamilies, MockUDPChannelTest, + ::testing::Values(AF_INET, AF_INET6)); + +INSTANTIATE_TEST_CASE_P(AddressFamilies, MockTCPChannelTest, + ::testing::Values(AF_INET, AF_INET6)); + +INSTANTIATE_TEST_CASE_P(AddressFamilies, MockExtraOptsTest, + ::testing::Values(std::make_pair<int, bool>(AF_INET, false), + std::make_pair<int, bool>(AF_INET, true), + std::make_pair<int, bool>(AF_INET6, false), + std::make_pair<int, bool>(AF_INET6, true))); + +INSTANTIATE_TEST_CASE_P(AddressFamilies, MockNoCheckRespChannelTest, + ::testing::Values(std::make_pair<int, bool>(AF_INET, false), + std::make_pair<int, bool>(AF_INET, true), + std::make_pair<int, bool>(AF_INET6, false), + std::make_pair<int, bool>(AF_INET6, true))); + +INSTANTIATE_TEST_CASE_P(AddressFamilies, MockEDNSChannelTest, + ::testing::Values(std::make_pair<int, bool>(AF_INET, false), + std::make_pair<int, bool>(AF_INET, true), + std::make_pair<int, bool>(AF_INET6, false), + std::make_pair<int, bool>(AF_INET6, true))); + +INSTANTIATE_TEST_CASE_P(TransportModes, RotateMultiMockTest, + ::testing::Values(std::make_pair<int, bool>(AF_INET, false), + std::make_pair<int, bool>(AF_INET, true), + std::make_pair<int, bool>(AF_INET6, false), + std::make_pair<int, bool>(AF_INET6, true))); + +INSTANTIATE_TEST_CASE_P(TransportModes, NoRotateMultiMockTest, + ::testing::Values(std::make_pair<int, bool>(AF_INET, false), + std::make_pair<int, bool>(AF_INET, true), + std::make_pair<int, bool>(AF_INET6, false), + std::make_pair<int, bool>(AF_INET6, true))); + +} // namespace test +} // namespace ares diff --git a/test/ares-test-ns.cc b/test/ares-test-ns.cc new file mode 100644 index 0000000..c3c4552 --- /dev/null +++ b/test/ares-test-ns.cc @@ -0,0 +1,199 @@ +#include "ares-test.h" + +#ifdef HAVE_CONTAINER + +#include <sys/mount.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +#include <iostream> +#include <functional> +#include <string> +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +namespace { + +struct ContainerInfo { + ContainerFilesystem* fs_; + std::string hostname_; + std::string domainname_; + VoidToIntFn fn_; +}; + +int EnterContainer(void *data) { + ContainerInfo *container = (ContainerInfo*)data; + + if (verbose) { + std::cerr << "Running function in container {chroot='" + << container->fs_->root() << "', hostname='" << container->hostname_ + << "', domainname='" << container->domainname_ << "'}" + << std::endl; + } + + // Ensure we are apparently root before continuing. + int count = 10; + while (getuid() != 0 && count > 0) { + usleep(100000); + count--; + } + if (getuid() != 0) { + std::cerr << "Child in user namespace has uid " << getuid() << std::endl; + return -1; + } + if (!container->fs_->mountpt().empty()) { + // We want to bind mount this inside the specified directory. + std::string innerdir = container->fs_->root() + container->fs_->mountpt(); + if (verbose) std::cerr << " mount --bind " << container->fs_->mountpt() + << " " << innerdir << std::endl; + int rc = mount(container->fs_->mountpt().c_str(), innerdir.c_str(), + "none", MS_BIND, 0); + if (rc != 0) { + std::cerr << "Warning: failed to bind mount " << container->fs_->mountpt() << " at " + << innerdir << ", errno=" << errno << std::endl; + } + } + + // Move into the specified directory. + if (chdir(container->fs_->root().c_str()) != 0) { + std::cerr << "Failed to chdir('" << container->fs_->root() + << "'), errno=" << errno << std::endl; + return -1; + } + // And make it the new root directory; + char buffer[PATH_MAX + 1]; + if (getcwd(buffer, PATH_MAX) == NULL) { + std::cerr << "failed to retrieve cwd, errno=" << errno << std::endl; + return -1; + } + buffer[PATH_MAX] = '\0'; + if (chroot(buffer) != 0) { + std::cerr << "chroot('" << buffer << "') failed, errno=" << errno << std::endl; + return -1; + } + + // Set host/domainnames if specified + if (!container->hostname_.empty()) { + if (sethostname(container->hostname_.c_str(), + container->hostname_.size()) != 0) { + std::cerr << "Failed to sethostname('" << container->hostname_ + << "'), errno=" << errno << std::endl; + return -1; + } + } + if (!container->domainname_.empty()) { + if (setdomainname(container->domainname_.c_str(), + container->domainname_.size()) != 0) { + std::cerr << "Failed to setdomainname('" << container->domainname_ + << "'), errno=" << errno << std::endl; + return -1; + } + } + + return container->fn_(); +} + +} // namespace + +// Run a function while: +// - chroot()ed into a particular directory +// - having a specified hostname/domainname + +int RunInContainer(ContainerFilesystem* fs, const std::string& hostname, + const std::string& domainname, VoidToIntFn fn) { + const int stack_size = 1024 * 1024; + std::vector<byte> stack(stack_size, 0); + ContainerInfo container = {fs, hostname, domainname, fn}; + + // Start a child process in a new user and UTS namespace + pid_t child = clone(EnterContainer, stack.data() + stack_size, + CLONE_VM|CLONE_NEWNS|CLONE_NEWUSER|CLONE_NEWUTS|SIGCHLD, + (void *)&container); + if (child < 0) { + std::cerr << "Failed to clone(), errno=" << errno << std::endl; + return -1; + } + + // Build the UID map that makes us look like root inside the namespace. + std::stringstream mapfiless; + mapfiless << "/proc/" << child << "/uid_map"; + std::string mapfile = mapfiless.str(); + int fd = open(mapfile.c_str(), O_CREAT|O_WRONLY|O_TRUNC, 0644); + if (fd < 0) { + std::cerr << "Failed to create '" << mapfile << "'" << std::endl; + return -1; + } + std::stringstream contentss; + contentss << "0 " << getuid() << " 1" << std::endl; + std::string content = contentss.str(); + int rc = write(fd, content.c_str(), content.size()); + if (rc != (int)content.size()) { + std::cerr << "Failed to write uid map to '" << mapfile << "'" << std::endl; + } + close(fd); + + // Wait for the child process and retrieve its status. + int status; + waitpid(child, &status, 0); + if (rc <= 0) { + std::cerr << "Failed to waitpid(" << child << ")" << std::endl; + return -1; + } + if (!WIFEXITED(status)) { + std::cerr << "Child " << child << " did not exit normally" << std::endl; + return -1; + } + return status; +} + +ContainerFilesystem::ContainerFilesystem(NameContentList files, const std::string& mountpt) { + rootdir_ = TempNam(nullptr, "ares-chroot"); + mkdir(rootdir_.c_str(), 0755); + dirs_.push_front(rootdir_); + for (const auto& nc : files) { + std::string fullpath = rootdir_ + nc.first; + int idx = fullpath.rfind('/'); + std::string dir = fullpath.substr(0, idx); + EnsureDirExists(dir); + files_.push_back(std::unique_ptr<TransientFile>( + new TransientFile(fullpath, nc.second))); + } + if (!mountpt.empty()) { + char buffer[PATH_MAX + 1]; + if (realpath(mountpt.c_str(), buffer)) { + mountpt_ = buffer; + std::string fullpath = rootdir_ + mountpt_; + EnsureDirExists(fullpath); + } + } +} + +ContainerFilesystem::~ContainerFilesystem() { + files_.clear(); + for (const std::string& dir : dirs_) { + rmdir(dir.c_str()); + } +} + +void ContainerFilesystem::EnsureDirExists(const std::string& dir) { + if (std::find(dirs_.begin(), dirs_.end(), dir) != dirs_.end()) { + return; + } + size_t idx = dir.rfind('/'); + if (idx != std::string::npos) { + std::string prevdir = dir.substr(0, idx); + EnsureDirExists(prevdir); + } + // Ensure this directory is in the list before its ancestors. + mkdir(dir.c_str(), 0755); + dirs_.push_front(dir); +} + +} // namespace test +} // namespace ares + +#endif diff --git a/test/ares-test-parse-a.cc b/test/ares-test-parse-a.cc new file mode 100644 index 0000000..77d9591 --- /dev/null +++ b/test/ares-test-parse-a.cc @@ -0,0 +1,362 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseAReplyOK) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_a)) + .add_answer(new DNSARR("example.com", 0x01020304, {2,3,4,5})); + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x04, // rdata length + 0x02, 0x03, 0x04, 0x05, + }; + EXPECT_EQ(data, pkt.data()); + struct hostent *host = nullptr; + struct ares_addrttl info[5]; + int count = 5; + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + EXPECT_EQ(0x01020304, info[0].ttl); + unsigned long expected_addr = htonl(0x02030405); + EXPECT_EQ(expected_addr, info[0].ipaddr.s_addr); + EXPECT_EQ("2.3.4.5", AddressToString(&(info[0].ipaddr), 4)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'example.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); + ares_free_hostent(host); + + // Repeat without providing a hostent + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + nullptr, info, &count)); + EXPECT_EQ(1, count); + EXPECT_EQ(0x01020304, info[0].ttl); + EXPECT_EQ(expected_addr, info[0].ipaddr.s_addr); + EXPECT_EQ("2.3.4.5", AddressToString(&(info[0].ipaddr), 4)); +} + +TEST_F(LibraryTest, ParseMalformedAReply) { + std::vector<byte> data = { + 0x12, 0x34, // [0:2) qid + 0x84, // [2] response + query + AA + not-TC + not-RD + 0x00, // [3] not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // [4:6) num questions + 0x00, 0x01, // [6:8) num answer RRs + 0x00, 0x00, // [8:10) num authority RRs + 0x00, 0x00, // [10:12) num additional RRs + // Question + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', // [12:20) + 0x03, 'c', 'o', 'm', // [20,24) + 0x00, // [24] + 0x00, 0x01, // [25:26) type A + 0x00, 0x01, // [27:29) class IN + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', // [29:37) + 0x03, 'c', 'o', 'm', // [37:41) + 0x00, // [41] + 0x00, 0x01, // [42:44) RR type + 0x00, 0x01, // [44:46) class IN + 0x01, 0x02, 0x03, 0x04, // [46:50) TTL + 0x00, 0x04, // [50:52) rdata length + 0x02, 0x03, 0x04, 0x05, // [52,56) + }; + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + + // Invalid RR-len. + std::vector<byte> invalid_rrlen(data); + invalid_rrlen[51] = 180; + EXPECT_EQ(ARES_EBADRESP, ares_parse_a_reply(invalid_rrlen.data(), invalid_rrlen.size(), + &host, info, &count)); + + // Truncate mid-question. + EXPECT_EQ(ARES_EBADRESP, ares_parse_a_reply(data.data(), 26, + &host, info, &count)); + + // Truncate mid-answer. + EXPECT_EQ(ARES_EBADRESP, ares_parse_a_reply(data.data(), 42, + &host, info, &count)); +} + +TEST_F(LibraryTest, ParseAReplyNoData) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_a)); + std::vector<byte> data = pkt.data(); + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + EXPECT_EQ(ARES_ENODATA, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(0, count); + EXPECT_EQ(nullptr, host); + + // Again but with a CNAME. + pkt.add_answer(new DNSCnameRR("example.com", 200, "c.example.com")); + EXPECT_EQ(ARES_ENODATA, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(0, count); + EXPECT_EQ(nullptr, host); +} + +TEST_F(LibraryTest, ParseAReplyVariantA) { + DNSPacket pkt; + pkt.set_qid(6366).set_rd().set_ra() + .add_question(new DNSQuestion("mit.edu", ns_t_a)) + .add_answer(new DNSARR("mit.edu", 52, {18,7,22,69})) + .add_auth(new DNSNsRR("mit.edu", 292, "W20NS.mit.edu")) + .add_auth(new DNSNsRR("mit.edu", 292, "BITSY.mit.edu")) + .add_auth(new DNSNsRR("mit.edu", 292, "STRAWB.mit.edu")) + .add_additional(new DNSARR("STRAWB.mit.edu", 292, {18,71,0,151})); + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + std::vector<byte> data = pkt.data(); + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + EXPECT_EQ("18.7.22.69", AddressToString(&(info[0].ipaddr), 4)); + EXPECT_EQ(52, info[0].ttl); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseAReplyJustCname) { + DNSPacket pkt; + pkt.set_qid(6366).set_rd().set_ra() + .add_question(new DNSQuestion("mit.edu", ns_t_a)) + .add_answer(new DNSCnameRR("mit.edu", 52, "other.mit.edu")); + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + std::vector<byte> data = pkt.data(); + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(0, count); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'other.mit.edu' aliases=[mit.edu] addrs=[]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseAReplyVariantCname) { + DNSPacket pkt; + pkt.set_qid(6366).set_rd().set_ra() + .add_question(new DNSQuestion("query.example.com", ns_t_a)) + .add_answer(new DNSCnameRR("query.example.com", 200, "redirect.query.example.com")) + .add_answer(new DNSARR("redirect.query.example.com", 300, {129,97,123,22})) + .add_auth(new DNSNsRR("example.com", 218, "aa.ns1.example.com")) + .add_auth(new DNSNsRR("example.com", 218, "ns2.example.com")) + .add_auth(new DNSNsRR("example.com", 218, "ns3.example.com")) + .add_auth(new DNSNsRR("example.com", 218, "ns4.example.com")) + .add_additional(new DNSARR("aa.ns1.example.com", 218, {129,97,1,1})) + .add_additional(new DNSARR("ns2.example.com", 218, {129,97,1,2})) + .add_additional(new DNSARR("ns3.example.com", 218, {129,97,1,3})) + .add_additional(new DNSARR("ns4.example.com", 218, {129,97,1,4})); + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + std::vector<byte> data = pkt.data(); + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + EXPECT_EQ("129.97.123.22", AddressToString(&(info[0].ipaddr), 4)); + // TTL is reduced to match CNAME's. + EXPECT_EQ(200, info[0].ttl); + ares_free_hostent(host); + + // Repeat parsing without places to put the results. + count = 0; + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + nullptr, info, &count)); +} + +TEST_F(LibraryTest, ParseAReplyVariantCnameChain) { + DNSPacket pkt; + pkt.set_qid(6366).set_rd().set_ra() + .add_question(new DNSQuestion("c1.localhost", ns_t_a)) + .add_answer(new DNSCnameRR("c1.localhost", 604800, "c2.localhost")) + .add_answer(new DNSCnameRR("c2.localhost", 604800, "c3.localhost")) + .add_answer(new DNSCnameRR("c3.localhost", 604800, "c4.localhost")) + .add_answer(new DNSARR("c4.localhost", 604800, {8,8,8,8})) + .add_auth(new DNSNsRR("localhost", 604800, "localhost")) + .add_additional(new DNSARR("localhost", 604800, {127,0,0,1})) + .add_additional(new DNSAaaaRR("localhost", 604800, + {0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01})); + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + std::vector<byte> data = pkt.data(); + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + EXPECT_EQ("8.8.8.8", AddressToString(&(info[0].ipaddr), 4)); + EXPECT_EQ(604800, info[0].ttl); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, DISABLED_ParseAReplyVariantCnameLast) { + DNSPacket pkt; + pkt.set_qid(6366).set_rd().set_ra() + .add_question(new DNSQuestion("query.example.com", ns_t_a)) + .add_answer(new DNSARR("redirect.query.example.com", 300, {129,97,123,221})) + .add_answer(new DNSARR("redirect.query.example.com", 300, {129,97,123,222})) + .add_answer(new DNSARR("redirect.query.example.com", 300, {129,97,123,223})) + .add_answer(new DNSARR("redirect.query.example.com", 300, {129,97,123,224})) + .add_answer(new DNSCnameRR("query.example.com", 60, "redirect.query.example.com")) + .add_additional(new DNSTxtRR("query.example.com", 60, {"text record"})); + struct hostent *host = nullptr; + struct ares_addrttl info[8]; + int count = 8; + std::vector<byte> data = pkt.data(); + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(4, count); + EXPECT_EQ("129.97.123.221", AddressToString(&(info[0].ipaddr), 4)); + EXPECT_EQ("129.97.123.222", AddressToString(&(info[1].ipaddr), 4)); + EXPECT_EQ("129.97.123.223", AddressToString(&(info[2].ipaddr), 4)); + EXPECT_EQ("129.97.123.224", AddressToString(&(info[3].ipaddr), 4)); + EXPECT_EQ(300, info[0].ttl); + EXPECT_EQ(300, info[1].ttl); + EXPECT_EQ(300, info[2].ttl); + EXPECT_EQ(300, info[3].ttl); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseAReplyErrors) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_a)) + .add_answer(new DNSARR("example.com", 100, {0x02, 0x03, 0x04, 0x05})); + std::vector<byte> data; + + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.add_question(new DNSQuestion("example.com", ns_t_a)); + + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_a)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_a)); + +#ifdef DISABLED + // Not a response. + pkt.set_response(false); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.set_response(true); + + // Bad return code. + pkt.set_rcode(ns_r_formerr); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.set_rcode(ns_r_noerror); +#endif + + // Two questions + pkt.add_question(new DNSQuestion("example.com", ns_t_a)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_a)); + + // Wrong sort of answer. + pkt.answers_.clear(); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.answers_.clear(); + pkt.add_answer(new DNSARR("example.com", 100, {0x02, 0x03, 0x04, 0x05})); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.add_answer(new DNSARR("example.com", 100, {0x02, 0x03, 0x04, 0x05})); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + EXPECT_EQ(ARES_EBADRESP, ares_parse_a_reply(data.data(), len, + &host, info, &count)); + EXPECT_EQ(nullptr, host); + EXPECT_EQ(ARES_EBADRESP, ares_parse_a_reply(data.data(), len, + nullptr, info, &count)); + } +} + +TEST_F(LibraryTest, ParseAReplyAllocFail) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_a)) + .add_answer(new DNSCnameRR("example.com", 300, "c.example.com")) + .add_answer(new DNSARR("c.example.com", 500, {0x02, 0x03, 0x04, 0x05})); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + + for (int ii = 1; ii <= 8; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)) << ii; + EXPECT_EQ(nullptr, host); + } +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse-aaaa.cc b/test/ares-test-parse-aaaa.cc new file mode 100644 index 0000000..9d0457e --- /dev/null +++ b/test/ares-test-parse-aaaa.cc @@ -0,0 +1,191 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseAaaaReplyOK) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)) + .add_answer(new DNSAaaaRR("example.com", 100, + {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04})); + std::vector<byte> data = pkt.data(); + struct hostent *host = nullptr; + struct ares_addr6ttl info[5]; + int count = 5; + EXPECT_EQ(ARES_SUCCESS, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + EXPECT_EQ(100, info[0].ttl); + EXPECT_EQ(0x01, info[0].ip6addr._S6_un._S6_u8[0]); + EXPECT_EQ(0x02, info[0].ip6addr._S6_un._S6_u8[4]); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'example.com' aliases=[] addrs=[0101:0101:0202:0202:0303:0303:0404:0404]}", ss.str()); + ares_free_hostent(host); + + // Repeat without providing places to put the results + count = 0; + EXPECT_EQ(ARES_SUCCESS, ares_parse_aaaa_reply(data.data(), data.size(), + nullptr, info, &count)); +} + +TEST_F(LibraryTest, ParseAaaaReplyCname) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)) + .add_answer(new DNSCnameRR("example.com", 50, "c.example.com")) + .add_answer(new DNSAaaaRR("c.example.com", 100, + {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04})); + std::vector<byte> data = pkt.data(); + struct hostent *host = nullptr; + struct ares_addr6ttl info[5]; + int count = 5; + EXPECT_EQ(ARES_SUCCESS, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + // CNAME TTL overrides AAAA TTL. + EXPECT_EQ(50, info[0].ttl); + EXPECT_EQ(0x01, info[0].ip6addr._S6_un._S6_u8[0]); + EXPECT_EQ(0x02, info[0].ip6addr._S6_un._S6_u8[4]); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'c.example.com' aliases=[example.com] addrs=[0101:0101:0202:0202:0303:0303:0404:0404]}", ss.str()); + ares_free_hostent(host); + + // Repeat without providing a hostent + count = 5; + EXPECT_EQ(ARES_SUCCESS, ares_parse_aaaa_reply(data.data(), data.size(), + nullptr, info, &count)); + EXPECT_EQ(1, count); + EXPECT_EQ(50, info[0].ttl); + EXPECT_EQ(0x01, info[0].ip6addr._S6_un._S6_u8[0]); + EXPECT_EQ(0x02, info[0].ip6addr._S6_un._S6_u8[4]); +} + +TEST_F(LibraryTest, ParseAaaaReplyNoData) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)); + std::vector<byte> data = pkt.data(); + struct hostent *host = nullptr; + struct ares_addr6ttl info[2]; + int count = 2; + EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(0, count); + EXPECT_EQ(nullptr, host); + + // Again but with a CNAME. + pkt.add_answer(new DNSCnameRR("example.com", 200, "c.example.com")); + EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(0, count); + EXPECT_EQ(nullptr, host); +} + +TEST_F(LibraryTest, ParseAaaaReplyErrors) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)) + .add_answer(new DNSAaaaRR("example.com", 100, + {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04})); + std::vector<byte> data; + + struct hostent *host = nullptr; + struct ares_addr6ttl info[2]; + int count = 2; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.add_question(new DNSQuestion("example.com", ns_t_aaaa)); + + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_aaaa)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_aaaa)); + + // Two questions. + pkt.add_question(new DNSQuestion("example.com", ns_t_aaaa)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_aaaa)); + + // Wrong sort of answer. + pkt.answers_.clear(); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.answers_.clear(); + pkt.add_answer(new DNSAaaaRR("example.com", 100, + {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04})); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(nullptr, host); + pkt.add_answer(new DNSAaaaRR("example.com", 100, + {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04})); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + EXPECT_EQ(ARES_EBADRESP, ares_parse_aaaa_reply(data.data(), len, + &host, info, &count)); + EXPECT_EQ(nullptr, host); + EXPECT_EQ(ARES_EBADRESP, ares_parse_aaaa_reply(data.data(), len, + nullptr, info, &count)); + } +} + +TEST_F(LibraryTest, ParseAaaaReplyAllocFail) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_aaaa)) + .add_answer(new DNSCnameRR("example.com", 300, "c.example.com")) + .add_answer(new DNSAaaaRR("c.example.com", 100, + {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04})); + std::vector<byte> data = pkt.data(); + struct hostent *host = nullptr; + struct ares_addr6ttl info[2]; + int count = 2; + + for (int ii = 1; ii <= 8; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_aaaa_reply(data.data(), data.size(), + &host, info, &count)) << ii; + EXPECT_EQ(nullptr, host); + } +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse-mx.cc b/test/ares-test-parse-mx.cc new file mode 100644 index 0000000..37324a6 --- /dev/null +++ b/test/ares-test-parse-mx.cc @@ -0,0 +1,141 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseMxReplyOK) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_mx)) + .add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")) + .add_answer(new DNSMxRR("example.com", 100, 200, "mx2.example.com")); + std::vector<byte> data = pkt.data(); + + struct ares_mx_reply* mx = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_mx_reply(data.data(), data.size(), &mx)); + ASSERT_NE(nullptr, mx); + EXPECT_EQ("mx1.example.com", std::string(mx->host)); + EXPECT_EQ(100, mx->priority); + + struct ares_mx_reply* mx2 = mx->next; + ASSERT_NE(nullptr, mx2); + EXPECT_EQ("mx2.example.com", std::string(mx2->host)); + EXPECT_EQ(200, mx2->priority); + EXPECT_EQ(nullptr, mx2->next); + + ares_free_data(mx); +} + +TEST_F(LibraryTest, ParseMxReplyMalformed) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x0F, // type MX + 0x00, 0x01, // class IN + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x0F, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x01, // rdata length -- too short + 0x02, + }; + + struct ares_mx_reply* mx = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_mx_reply(data.data(), data.size(), &mx)); + ASSERT_EQ(nullptr, mx); +} + + +TEST_F(LibraryTest, ParseMxReplyErrors) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_mx)) + .add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + std::vector<byte> data; + struct ares_mx_reply* mx = nullptr; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_mx_reply(data.data(), data.size(), &mx)); + EXPECT_EQ(nullptr, mx); + pkt.add_question(new DNSQuestion("example.com", ns_t_mx)); + +#ifdef DISABLED + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_mx)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_mx_reply(data.data(), data.size(), &mx)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_mx)); +#endif + + // Two questions. + pkt.add_question(new DNSQuestion("example.com", ns_t_mx)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_mx_reply(data.data(), data.size(), &mx)); + EXPECT_EQ(nullptr, mx); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_mx)); + + // Wrong sort of answer. + // TODO(drysdale): check if this should be ARES_ENODATA? + pkt.answers_.clear(); + pkt.add_answer(new DNSSrvRR("example.abc.def.com", 180, 0, 10, 8160, "example.abc.def.com")); + data = pkt.data(); + EXPECT_EQ(ARES_SUCCESS, ares_parse_mx_reply(data.data(), data.size(), &mx)); + EXPECT_EQ(nullptr, mx); + pkt.answers_.clear(); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_mx_reply(data.data(), data.size(), &mx)); + EXPECT_EQ(nullptr, mx); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + int rc = ares_parse_mx_reply(data.data(), len, &mx); + EXPECT_EQ(nullptr, mx); + EXPECT_TRUE(rc == ARES_EBADRESP || rc == ARES_EBADNAME); + } +} + +TEST_F(LibraryTest, ParseMxReplyAllocFail) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_mx)) + .add_answer(new DNSCnameRR("example.com", 300, "c.example.com")) + .add_answer(new DNSMxRR("c.example.com", 100, 100, "mx1.example.com")); + std::vector<byte> data = pkt.data(); + struct ares_mx_reply* mx = nullptr; + + for (int ii = 1; ii <= 5; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_mx_reply(data.data(), data.size(), &mx)) << ii; + } +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse-naptr.cc b/test/ares-test-parse-naptr.cc new file mode 100644 index 0000000..40013cb --- /dev/null +++ b/test/ares-test-parse-naptr.cc @@ -0,0 +1,119 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseNaptrReplyOK) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_naptr)) + .add_answer(new DNSNaptrRR("example.com", 100, + 10, 20, "SP", "service", "regexp", "replace")) + .add_answer(new DNSNaptrRR("example.com", 0x0010, + 11, 21, "SP", "service2", "regexp2", "replace2")); + std::vector<byte> data = pkt.data(); + + struct ares_naptr_reply* naptr = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_naptr_reply(data.data(), data.size(), &naptr)); + ASSERT_NE(nullptr, naptr); + EXPECT_EQ("SP", std::string((char*)naptr->flags)); + EXPECT_EQ("service", std::string((char*)naptr->service)); + EXPECT_EQ("regexp", std::string((char*)naptr->regexp)); + EXPECT_EQ("replace", std::string((char*)naptr->replacement)); + EXPECT_EQ(10, naptr->order); + EXPECT_EQ(20, naptr->preference); + + struct ares_naptr_reply* naptr2 = naptr->next; + ASSERT_NE(nullptr, naptr2); + EXPECT_EQ("SP", std::string((char*)naptr2->flags)); + EXPECT_EQ("service2", std::string((char*)naptr2->service)); + EXPECT_EQ("regexp2", std::string((char*)naptr2->regexp)); + EXPECT_EQ("replace2", std::string((char*)naptr2->replacement)); + EXPECT_EQ(11, naptr2->order); + EXPECT_EQ(21, naptr2->preference); + EXPECT_EQ(nullptr, naptr2->next); + + ares_free_data(naptr); +} + +TEST_F(LibraryTest, ParseNaptrReplyErrors) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_naptr)) + .add_answer(new DNSNaptrRR("example.com", 100, + 10, 20, "SP", "service", "regexp", "replace")); + std::vector<byte> data; + struct ares_naptr_reply* naptr = nullptr; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_naptr_reply(data.data(), data.size(), &naptr)); + pkt.add_question(new DNSQuestion("example.com", ns_t_naptr)); + +#ifdef DISABLED + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_naptr)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_naptr_reply(data.data(), data.size(), &naptr)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_naptr)); +#endif + + // Two questions + pkt.add_question(new DNSQuestion("example.com", ns_t_naptr)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_naptr_reply(data.data(), data.size(), &naptr)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_naptr)); + + // Wrong sort of answer. + pkt.answers_.clear(); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + data = pkt.data(); + EXPECT_EQ(ARES_SUCCESS, ares_parse_naptr_reply(data.data(), data.size(), &naptr)); + EXPECT_EQ(nullptr, naptr); + pkt.answers_.clear(); + pkt.add_answer(new DNSNaptrRR("example.com", 100, + 10, 20, "SP", "service", "regexp", "replace")); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_naptr_reply(data.data(), data.size(), &naptr)); + pkt.add_answer(new DNSNaptrRR("example.com", 100, + 10, 20, "SP", "service", "regexp", "replace")); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + int rc = ares_parse_naptr_reply(data.data(), len, &naptr); + EXPECT_TRUE(rc == ARES_EBADRESP || rc == ARES_EBADNAME); + } +} + +TEST_F(LibraryTest, ParseNaptrReplyAllocFail) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_naptr)) + .add_answer(new DNSNaptrRR("example.com", 100, + 10, 20, "SP", "service", "regexp", "replace")) + .add_answer(new DNSNaptrRR("example.com", 0x0010, + 11, 21, "SP", "service2", "regexp2", "replace2")); + std::vector<byte> data = pkt.data(); + struct ares_naptr_reply* naptr = nullptr; + + for (int ii = 1; ii <= 13; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_naptr_reply(data.data(), data.size(), &naptr)); + } +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse-ns.cc b/test/ares-test-parse-ns.cc new file mode 100644 index 0000000..cd65318 --- /dev/null +++ b/test/ares-test-parse-ns.cc @@ -0,0 +1,119 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseNsReplyOK) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_ns)) + .add_answer(new DNSNsRR("example.com", 100, "ns.example.com")); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_ns_reply(data.data(), data.size(), &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'example.com' aliases=[ns.example.com] addrs=[]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseNsReplyMultiple) { + DNSPacket pkt; + pkt.set_qid(10501).set_response().set_rd().set_ra() + .add_question(new DNSQuestion("google.com", ns_t_ns)) + .add_answer(new DNSNsRR("google.com", 59, "ns1.google.com")) + .add_answer(new DNSNsRR("google.com", 59, "ns2.google.com")) + .add_answer(new DNSNsRR("google.com", 59, "ns3.google.com")) + .add_answer(new DNSNsRR("google.com", 59, "ns4.google.com")) + .add_additional(new DNSARR("ns4.google.com", 247, {216,239,38,10})) + .add_additional(new DNSARR("ns2.google.com", 247, {216,239,34,10})) + .add_additional(new DNSARR("ns1.google.com", 247, {216,239,32,10})) + .add_additional(new DNSARR("ns3.google.com", 247, {216,239,36,10})); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_ns_reply(data.data(), data.size(), &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'google.com' aliases=[ns1.google.com, ns2.google.com, ns3.google.com, ns4.google.com] addrs=[]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseNsReplyErrors) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_ns)) + .add_answer(new DNSNsRR("example.com", 100, "ns.example.com")); + std::vector<byte> data; + struct hostent *host = nullptr; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.add_question(new DNSQuestion("example.com", ns_t_ns)); + +#ifdef DISABLED + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_ns)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_ns)); +#endif + + // Two questions. + pkt.add_question(new DNSQuestion("example.com", ns_t_ns)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_ns)); + + // Wrong sort of answer. + pkt.answers_.clear(); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.answers_.clear(); + pkt.add_answer(new DNSNsRR("example.com", 100, "ns.example.com")); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_ns_reply(data.data(), data.size(), &host)); + pkt.add_answer(new DNSNsRR("example.com", 100, "ns.example.com")); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + EXPECT_EQ(ARES_EBADRESP, ares_parse_ns_reply(data.data(), len, &host)); + } +} + +TEST_F(LibraryTest, ParseNsReplyAllocFail) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_ns)) + .add_answer(new DNSCnameRR("example.com", 300, "c.example.com")) + .add_answer(new DNSNsRR("c.example.com", 100, "ns.example.com")); + std::vector<byte> data = pkt.data(); + struct hostent *host = nullptr; + + for (int ii = 1; ii <= 8; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_ns_reply(data.data(), data.size(), &host)) << ii; + } +} + + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse-ptr.cc b/test/ares-test-parse-ptr.cc new file mode 100644 index 0000000..c769b29 --- /dev/null +++ b/test/ares-test-parse-ptr.cc @@ -0,0 +1,249 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParsePtrReplyOK) { + byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other.com")); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'other.com' aliases=[other.com] addrs=[16.32.48.64]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParsePtrReplyCname) { + byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)) + .add_answer(new DNSCnameRR("64.48.32.16.in-addr.arpa", 50, "64.48.32.8.in-addr.arpa")) + .add_answer(new DNSPtrRR("64.48.32.8.in-addr.arpa", 100, "other.com")); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'other.com' aliases=[other.com] addrs=[16.32.48.64]}", ss.str()); + ares_free_hostent(host); +} + + +struct DNSMalformedCnameRR : public DNSCnameRR { + DNSMalformedCnameRR(const std::string& name, int ttl, const std::string& other) + : DNSCnameRR(name, ttl, other) {} + std::vector<byte> data() const { + std::vector<byte> data = DNSRR::data(); + std::vector<byte> encname = EncodeString(other_); + encname[0] = encname[0] + 63; // invalid label length + int len = encname.size(); + PushInt16(&data, len); + data.insert(data.end(), encname.begin(), encname.end()); + return data; + } +}; + +TEST_F(LibraryTest, ParsePtrReplyMalformedCname) { + byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)) + .add_answer(new DNSMalformedCnameRR("64.48.32.16.in-addr.arpa", 50, "64.48.32.8.in-addr.arpa")) + .add_answer(new DNSPtrRR("64.48.32.8.in-addr.arpa", 100, "other.com")); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + ASSERT_EQ(nullptr, host); +} + +TEST_F(LibraryTest, ParseManyPtrReply) { + byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "main.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other1.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other2.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other3.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other4.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other5.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other6.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other7.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other8.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other9.com")); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + ASSERT_NE(nullptr, host); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParsePtrReplyAdditional) { + byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 55, "other.com")) + .add_auth(new DNSNsRR("16.in-addr.arpa", 234, "ns1.other.com")) + .add_auth(new DNSNsRR("16.in-addr.arpa", 234, "bb.ns2.other.com")) + .add_auth(new DNSNsRR("16.in-addr.arpa", 234, "ns3.other.com")) + .add_additional(new DNSARR("ns1.other.com", 229, {10,20,30,41})) + .add_additional(new DNSARR("bb.ns2.other.com", 229, {10,20,30,42})) + .add_additional(new DNSARR("ns3.other.com", 229, {10,20,30,43})); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'other.com' aliases=[other.com] addrs=[16.32.48.64]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParsePtrReplyErrors) { + byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other.com")); + std::vector<byte> data; + struct hostent *host = nullptr; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)); + + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("99.48.32.16.in-addr.arpa", ns_t_ptr)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + EXPECT_EQ(nullptr, host); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)); + + // Two questions. + pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + EXPECT_EQ(nullptr, host); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)); + + // Wrong sort of answer. + pkt.answers_.clear(); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + EXPECT_EQ(nullptr, host); + pkt.answers_.clear(); + pkt.add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other.com")); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)); + EXPECT_EQ(nullptr, host); + pkt.add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other.com")); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), len, + addrv4, sizeof(addrv4), AF_INET, &host)); + EXPECT_EQ(nullptr, host); + } + + // Truncated packets with CNAME. + pkt.add_answer(new DNSCnameRR("64.48.32.16.in-addr.arpa", 50, "64.48.32.8.in-addr.arpa")); + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + EXPECT_EQ(ARES_EBADRESP, ares_parse_ptr_reply(data.data(), len, + addrv4, sizeof(addrv4), AF_INET, &host)); + EXPECT_EQ(nullptr, host); + } +} + +TEST_F(LibraryTest, ParsePtrReplyAllocFailSome) { + byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "main.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other1.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other2.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other3.com")); + std::vector<byte> data = pkt.data(); + struct hostent *host = nullptr; + + for (int ii = 1; ii <= 18; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host)) << ii; + } +} + +TEST_F(LibraryTest, ParsePtrReplyAllocFailMany) { + byte addrv4[4] = {0x10, 0x20, 0x30, 0x40}; + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "main.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other1.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other2.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other3.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other4.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other5.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other6.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other7.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other8.com")) + .add_answer(new DNSPtrRR("64.48.32.16.in-addr.arpa", 100, "other9.com")); + std::vector<byte> data = pkt.data(); + struct hostent *host = nullptr; + + for (int ii = 1; ii <= 63; ii++) { + ClearFails(); + SetAllocFail(ii); + int rc = ares_parse_ptr_reply(data.data(), data.size(), + addrv4, sizeof(addrv4), AF_INET, &host); + if (rc != ARES_ENOMEM) { + EXPECT_EQ(ARES_SUCCESS, rc); + ares_free_hostent(host); + host = nullptr; + } + } +} + + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse-soa.cc b/test/ares-test-parse-soa.cc new file mode 100644 index 0000000..afa4b7a --- /dev/null +++ b/test/ares-test-parse-soa.cc @@ -0,0 +1,108 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseSoaReplyOK) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_soa)) + .add_answer(new DNSSoaRR("example.com", 100, + "soa1.example.com", "fred.example.com", + 1, 2, 3, 4, 5)); + std::vector<byte> data = pkt.data(); + + struct ares_soa_reply* soa = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_soa_reply(data.data(), data.size(), &soa)); + ASSERT_NE(nullptr, soa); + EXPECT_EQ("soa1.example.com", std::string(soa->nsname)); + EXPECT_EQ("fred.example.com", std::string(soa->hostmaster)); + EXPECT_EQ(1, soa->serial); + EXPECT_EQ(2, soa->refresh); + EXPECT_EQ(3, soa->retry); + EXPECT_EQ(4, soa->expire); + EXPECT_EQ(5, soa->minttl); + ares_free_data(soa); +} + +TEST_F(LibraryTest, ParseSoaReplyErrors) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_soa)) + .add_answer(new DNSSoaRR("example.com", 100, + "soa1.example.com", "fred.example.com", + 1, 2, 3, 4, 5)); + std::vector<byte> data; + struct ares_soa_reply* soa = nullptr; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa)); + pkt.add_question(new DNSQuestion("example.com", ns_t_soa)); + +#ifdef DISABLED + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_soa)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_soa_reply(data.data(), data.size(), &soa)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_soa)); +#endif + + // Two questions + pkt.add_question(new DNSQuestion("example.com", ns_t_soa)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_soa)); + + // Wrong sort of answer. + pkt.answers_.clear(); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa)); + pkt.answers_.clear(); + pkt.add_answer(new DNSSoaRR("example.com", 100, + "soa1.example.com", "fred.example.com", + 1, 2, 3, 4, 5)); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), data.size(), &soa)); + pkt.add_answer(new DNSSoaRR("example.com", 100, + "soa1.example.com", "fred.example.com", + 1, 2, 3, 4, 5)); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + EXPECT_EQ(ARES_EBADRESP, ares_parse_soa_reply(data.data(), len, &soa)); + } +} + +TEST_F(LibraryTest, ParseSoaReplyAllocFail) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_soa)) + .add_answer(new DNSSoaRR("example.com", 100, + "soa1.example.com", "fred.example.com", + 1, 2, 3, 4, 5)); + std::vector<byte> data = pkt.data(); + struct ares_soa_reply* soa = nullptr; + + for (int ii = 1; ii <= 5; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_soa_reply(data.data(), data.size(), &soa)) << ii; + } +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse-srv.cc b/test/ares-test-parse-srv.cc new file mode 100644 index 0000000..cc651d6 --- /dev/null +++ b/test/ares-test-parse-srv.cc @@ -0,0 +1,288 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseSrvReplyOK) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_srv)) + .add_answer(new DNSSrvRR("example.com", 100, 10, 20, 30, "srv.example.com")) + .add_answer(new DNSSrvRR("example.com", 100, 11, 21, 31, "srv2.example.com")); + std::vector<byte> data = pkt.data(); + + struct ares_srv_reply* srv = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_srv_reply(data.data(), data.size(), &srv)); + ASSERT_NE(nullptr, srv); + + EXPECT_EQ("srv.example.com", std::string(srv->host)); + EXPECT_EQ(10, srv->priority); + EXPECT_EQ(20, srv->weight); + EXPECT_EQ(30, srv->port); + + struct ares_srv_reply* srv2 = srv->next; + ASSERT_NE(nullptr, srv2); + EXPECT_EQ("srv2.example.com", std::string(srv2->host)); + EXPECT_EQ(11, srv2->priority); + EXPECT_EQ(21, srv2->weight); + EXPECT_EQ(31, srv2->port); + EXPECT_EQ(nullptr, srv2->next); + + ares_free_data(srv); +} + +TEST_F(LibraryTest, ParseSrvReplySingle) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.abc.def.com", ns_t_srv)) + .add_answer(new DNSSrvRR("example.abc.def.com", 180, 0, 10, 8160, "example.abc.def.com")) + .add_auth(new DNSNsRR("abc.def.com", 44, "else1.where.com")) + .add_auth(new DNSNsRR("abc.def.com", 44, "else2.where.com")) + .add_auth(new DNSNsRR("abc.def.com", 44, "else3.where.com")) + .add_auth(new DNSNsRR("abc.def.com", 44, "else4.where.com")) + .add_auth(new DNSNsRR("abc.def.com", 44, "else5.where.com")) + .add_additional(new DNSARR("else2.where.com", 42, {172,19,0,1})) + .add_additional(new DNSARR("else5.where.com", 42, {172,19,0,2})); + std::vector<byte> data = pkt.data(); + + struct ares_srv_reply* srv = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_srv_reply(data.data(), data.size(), &srv)); + ASSERT_NE(nullptr, srv); + + EXPECT_EQ("example.abc.def.com", std::string(srv->host)); + EXPECT_EQ(0, srv->priority); + EXPECT_EQ(10, srv->weight); + EXPECT_EQ(8160, srv->port); + EXPECT_EQ(nullptr, srv->next); + + ares_free_data(srv); +} + +TEST_F(LibraryTest, ParseSrvReplyMalformed) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x21, // type SRV + 0x00, 0x01, // class IN + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x21, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x04, // rdata length -- too short + 0x02, 0x03, 0x04, 0x05, + }; + + struct ares_srv_reply* srv = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_srv_reply(data.data(), data.size(), &srv)); + ASSERT_EQ(nullptr, srv); +} + +TEST_F(LibraryTest, ParseSrvReplyMultiple) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_ra().set_rd() + .add_question(new DNSQuestion("srv.example.com", ns_t_srv)) + .add_answer(new DNSSrvRR("srv.example.com", 300, 0, 5, 6789, "a1.srv.example.com")) + .add_answer(new DNSSrvRR("srv.example.com", 300, 0, 5, 4567, "a2.srv.example.com")) + .add_answer(new DNSSrvRR("srv.example.com", 300, 0, 5, 5678, "a3.srv.example.com")) + .add_auth(new DNSNsRR("example.com", 300, "ns1.example.com")) + .add_auth(new DNSNsRR("example.com", 300, "ns2.example.com")) + .add_auth(new DNSNsRR("example.com", 300, "ns3.example.com")) + .add_additional(new DNSARR("a1.srv.example.com", 300, {172,19,1,1})) + .add_additional(new DNSARR("a2.srv.example.com", 300, {172,19,1,2})) + .add_additional(new DNSARR("a3.srv.example.com", 300, {172,19,1,3})) + .add_additional(new DNSARR("n1.example.com", 300, {172,19,0,1})) + .add_additional(new DNSARR("n2.example.com", 300, {172,19,0,2})) + .add_additional(new DNSARR("n3.example.com", 300, {172,19,0,3})); + std::vector<byte> data = pkt.data(); + + struct ares_srv_reply* srv0 = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_srv_reply(data.data(), data.size(), &srv0)); + ASSERT_NE(nullptr, srv0); + struct ares_srv_reply* srv = srv0; + + EXPECT_EQ("a1.srv.example.com", std::string(srv->host)); + EXPECT_EQ(0, srv->priority); + EXPECT_EQ(5, srv->weight); + EXPECT_EQ(6789, srv->port); + EXPECT_NE(nullptr, srv->next); + srv = srv->next; + + EXPECT_EQ("a2.srv.example.com", std::string(srv->host)); + EXPECT_EQ(0, srv->priority); + EXPECT_EQ(5, srv->weight); + EXPECT_EQ(4567, srv->port); + EXPECT_NE(nullptr, srv->next); + srv = srv->next; + + EXPECT_EQ("a3.srv.example.com", std::string(srv->host)); + EXPECT_EQ(0, srv->priority); + EXPECT_EQ(5, srv->weight); + EXPECT_EQ(5678, srv->port); + EXPECT_EQ(nullptr, srv->next); + + ares_free_data(srv0); +} + +TEST_F(LibraryTest, ParseSrvReplyCname) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.abc.def.com", ns_t_srv)) + .add_answer(new DNSCnameRR("example.abc.def.com", 300, "cname.abc.def.com")) + .add_answer(new DNSSrvRR("cname.abc.def.com", 300, 0, 10, 1234, "srv.abc.def.com")) + .add_auth(new DNSNsRR("abc.def.com", 44, "else1.where.com")) + .add_auth(new DNSNsRR("abc.def.com", 44, "else2.where.com")) + .add_auth(new DNSNsRR("abc.def.com", 44, "else3.where.com")) + .add_additional(new DNSARR("example.abc.def.com", 300, {172,19,0,1})) + .add_additional(new DNSARR("else1.where.com", 42, {172,19,0,1})) + .add_additional(new DNSARR("else2.where.com", 42, {172,19,0,2})) + .add_additional(new DNSARR("else3.where.com", 42, {172,19,0,3})); + std::vector<byte> data = pkt.data(); + + struct ares_srv_reply* srv = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_srv_reply(data.data(), data.size(), &srv)); + ASSERT_NE(nullptr, srv); + + EXPECT_EQ("srv.abc.def.com", std::string(srv->host)); + EXPECT_EQ(0, srv->priority); + EXPECT_EQ(10, srv->weight); + EXPECT_EQ(1234, srv->port); + EXPECT_EQ(nullptr, srv->next); + + ares_free_data(srv); +} + +TEST_F(LibraryTest, ParseSrvReplyCnameMultiple) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_ra().set_rd() + .add_question(new DNSQuestion("query.example.com", ns_t_srv)) + .add_answer(new DNSCnameRR("query.example.com", 300, "srv.example.com")) + .add_answer(new DNSSrvRR("srv.example.com", 300, 0, 5, 6789, "a1.srv.example.com")) + .add_answer(new DNSSrvRR("srv.example.com", 300, 0, 5, 4567, "a2.srv.example.com")) + .add_answer(new DNSSrvRR("srv.example.com", 300, 0, 5, 5678, "a3.srv.example.com")) + .add_auth(new DNSNsRR("example.com", 300, "ns1.example.com")) + .add_auth(new DNSNsRR("example.com", 300, "ns2.example.com")) + .add_auth(new DNSNsRR("example.com", 300, "ns3.example.com")) + .add_additional(new DNSARR("a1.srv.example.com", 300, {172,19,1,1})) + .add_additional(new DNSARR("a2.srv.example.com", 300, {172,19,1,2})) + .add_additional(new DNSARR("a3.srv.example.com", 300, {172,19,1,3})) + .add_additional(new DNSARR("n1.example.com", 300, {172,19,0,1})) + .add_additional(new DNSARR("n2.example.com", 300, {172,19,0,2})) + .add_additional(new DNSARR("n3.example.com", 300, {172,19,0,3})); + std::vector<byte> data = pkt.data(); + + struct ares_srv_reply* srv0 = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_srv_reply(data.data(), data.size(), &srv0)); + ASSERT_NE(nullptr, srv0); + struct ares_srv_reply* srv = srv0; + + EXPECT_EQ("a1.srv.example.com", std::string(srv->host)); + EXPECT_EQ(0, srv->priority); + EXPECT_EQ(5, srv->weight); + EXPECT_EQ(6789, srv->port); + EXPECT_NE(nullptr, srv->next); + srv = srv->next; + + EXPECT_EQ("a2.srv.example.com", std::string(srv->host)); + EXPECT_EQ(0, srv->priority); + EXPECT_EQ(5, srv->weight); + EXPECT_EQ(4567, srv->port); + EXPECT_NE(nullptr, srv->next); + srv = srv->next; + + EXPECT_EQ("a3.srv.example.com", std::string(srv->host)); + EXPECT_EQ(0, srv->priority); + EXPECT_EQ(5, srv->weight); + EXPECT_EQ(5678, srv->port); + EXPECT_EQ(nullptr, srv->next); + + ares_free_data(srv0); +} + +TEST_F(LibraryTest, ParseSrvReplyErrors) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.abc.def.com", ns_t_srv)) + .add_answer(new DNSSrvRR("example.abc.def.com", 180, 0, 10, 8160, "example.abc.def.com")); + std::vector<byte> data; + struct ares_srv_reply* srv = nullptr; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_srv_reply(data.data(), data.size(), &srv)); + pkt.add_question(new DNSQuestion("example.abc.def.com", ns_t_srv)); + +#ifdef DISABLED + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_srv)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_srv_reply(data.data(), data.size(), &srv)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_srv)); +#endif + + // Two questions. + pkt.add_question(new DNSQuestion("example.abc.def.com", ns_t_srv)); + data = pkt.data(); + EXPECT_EQ(ARES_EBADRESP, ares_parse_srv_reply(data.data(), data.size(), &srv)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("64.48.32.16.in-addr.arpa", ns_t_ptr)); + + // Wrong sort of answer. + pkt.answers_.clear(); + pkt.add_answer(new DNSMxRR("example.com", 100, 100, "mx1.example.com")); + data = pkt.data(); + EXPECT_EQ(ARES_SUCCESS, ares_parse_srv_reply(data.data(), data.size(), &srv)); + EXPECT_EQ(nullptr, srv); + pkt.answers_.clear(); + pkt.add_answer(new DNSSrvRR("example.abc.def.com", 180, 0, 10, 8160, "example.abc.def.com")); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_srv_reply(data.data(), data.size(), &srv)); + pkt.add_answer(new DNSSrvRR("example.abc.def.com", 180, 0, 10, 8160, "example.abc.def.com")); + + // Truncated packets. + data = pkt.data(); + for (size_t len = 1; len < data.size(); len++) { + int rc = ares_parse_srv_reply(data.data(), len, &srv); + EXPECT_TRUE(rc == ARES_EBADRESP || rc == ARES_EBADNAME); + } +} + +TEST_F(LibraryTest, ParseSrvReplyAllocFail) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.abc.def.com", ns_t_srv)) + .add_answer(new DNSCnameRR("example.com", 300, "c.example.com")) + .add_answer(new DNSSrvRR("example.abc.def.com", 180, 0, 10, 8160, "example.abc.def.com")); + std::vector<byte> data = pkt.data(); + struct ares_srv_reply* srv = nullptr; + + for (int ii = 1; ii <= 5; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_srv_reply(data.data(), data.size(), &srv)) << ii; + } +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse-txt.cc b/test/ares-test-parse-txt.cc new file mode 100644 index 0000000..8aaaaa3 --- /dev/null +++ b/test/ares-test-parse-txt.cc @@ -0,0 +1,266 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseTxtReplyOK) { + DNSPacket pkt; + std::string expected1 = "txt1.example.com"; + std::string expected2a = "txt2a"; + std::string expected2b("ABC\0ABC", 7); + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_mx)) + .add_answer(new DNSTxtRR("example.com", 100, {expected1})) + .add_answer(new DNSTxtRR("example.com", 100, {expected2a, expected2b})); + std::vector<byte> data = pkt.data(); + + struct ares_txt_reply* txt = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_txt_reply(data.data(), data.size(), &txt)); + ASSERT_NE(nullptr, txt); + EXPECT_EQ(std::vector<byte>(expected1.data(), expected1.data() + expected1.size()), + std::vector<byte>(txt->txt, txt->txt + txt->length)); + + struct ares_txt_reply* txt2 = txt->next; + ASSERT_NE(nullptr, txt2); + EXPECT_EQ(std::vector<byte>(expected2a.data(), expected2a.data() + expected2a.size()), + std::vector<byte>(txt2->txt, txt2->txt + txt2->length)); + + struct ares_txt_reply* txt3 = txt2->next; + ASSERT_NE(nullptr, txt3); + EXPECT_EQ(std::vector<byte>(expected2b.data(), expected2b.data() + expected2b.size()), + std::vector<byte>(txt3->txt, txt3->txt + txt3->length)); + EXPECT_EQ(nullptr, txt3->next); + + ares_free_data(txt); +} + +TEST_F(LibraryTest, ParseTxtExtReplyOK) { + DNSPacket pkt; + std::string expected1 = "txt1.example.com"; + std::string expected2a = "txt2a"; + std::string expected2b("ABC\0ABC", 7); + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_mx)) + .add_answer(new DNSTxtRR("example.com", 100, {expected1})) + .add_answer(new DNSTxtRR("example.com", 100, {expected2a, expected2b})); + std::vector<byte> data = pkt.data(); + + struct ares_txt_ext* txt = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_parse_txt_reply_ext(data.data(), data.size(), &txt)); + ASSERT_NE(nullptr, txt); + EXPECT_EQ(std::vector<byte>(expected1.data(), expected1.data() + expected1.size()), + std::vector<byte>(txt->txt, txt->txt + txt->length)); + EXPECT_EQ(1, txt->record_start); + + struct ares_txt_ext* txt2 = txt->next; + ASSERT_NE(nullptr, txt2); + EXPECT_EQ(std::vector<byte>(expected2a.data(), expected2a.data() + expected2a.size()), + std::vector<byte>(txt2->txt, txt2->txt + txt2->length)); + EXPECT_EQ(1, txt2->record_start); + + struct ares_txt_ext* txt3 = txt2->next; + ASSERT_NE(nullptr, txt3); + EXPECT_EQ(std::vector<byte>(expected2b.data(), expected2b.data() + expected2b.size()), + std::vector<byte>(txt3->txt, txt3->txt + txt3->length)); + EXPECT_EQ(nullptr, txt3->next); + EXPECT_EQ(0, txt3->record_start); + + ares_free_data(txt); +} + +TEST_F(LibraryTest, ParseTxtMalformedReply1) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x10, // type TXT + 0x00, 0x01, // class IN + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x10, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x03, // rdata length + 0x12, 'a', 'b', // invalid length + }; + + struct ares_txt_reply* txt = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt)); + ASSERT_EQ(nullptr, txt); +} + +TEST_F(LibraryTest, ParseTxtMalformedReply2) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x10, // type TXT + 0x00, 0x01, // class IN + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x10, // RR type + // truncated + }; + + struct ares_txt_reply* txt = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt)); + ASSERT_EQ(nullptr, txt); +} + +TEST_F(LibraryTest, ParseTxtMalformedReply3) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x10, // type TXT + 0x00, 0x01, // class IN + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x10, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x13, // rdata length INVALID + 0x02, 'a', 'b', + }; + + struct ares_txt_reply* txt = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt)); + ASSERT_EQ(nullptr, txt); +} + +TEST_F(LibraryTest, ParseTxtMalformedReply4) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x10, // type TXT + 0x00, // TRUNCATED + }; + + struct ares_txt_reply* txt = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt)); + ASSERT_EQ(nullptr, txt); +} + +TEST_F(LibraryTest, ParseTxtReplyErrors) { + DNSPacket pkt; + std::string expected1 = "txt1.example.com"; + std::string expected2a = "txt2a"; + std::string expected2b = "txt2b"; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_mx)) + .add_answer(new DNSTxtRR("example.com", 100, {expected1})) + .add_answer(new DNSTxtRR("example.com", 100, {expected1})) + .add_answer(new DNSTxtRR("example.com", 100, {expected2a, expected2b})); + std::vector<byte> data = pkt.data(); + struct ares_txt_reply* txt = nullptr; + + // No question. + pkt.questions_.clear(); + data = pkt.data(); + txt = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt)); + EXPECT_EQ(nullptr, txt); + pkt.add_question(new DNSQuestion("example.com", ns_t_mx)); + +#ifdef DISABLED + // Question != answer + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("Axample.com", ns_t_txt)); + data = pkt.data(); + EXPECT_EQ(ARES_ENODATA, ares_parse_txt_reply(data.data(), data.size(), &txt)); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_txt)); +#endif + + // Two questions. + pkt.add_question(new DNSQuestion("example.com", ns_t_mx)); + data = pkt.data(); + txt = nullptr; + EXPECT_EQ(ARES_EBADRESP, ares_parse_txt_reply(data.data(), data.size(), &txt)); + EXPECT_EQ(nullptr, txt); + pkt.questions_.clear(); + pkt.add_question(new DNSQuestion("example.com", ns_t_mx)); + + // No answer. + pkt.answers_.clear(); + data = pkt.data(); + txt = nullptr; + EXPECT_EQ(ARES_ENODATA, ares_parse_txt_reply(data.data(), data.size(), &txt)); + EXPECT_EQ(nullptr, txt); + pkt.add_answer(new DNSTxtRR("example.com", 100, {expected1})); + + // Truncated packets. + for (size_t len = 1; len < data.size(); len++) { + txt = nullptr; + EXPECT_NE(ARES_SUCCESS, ares_parse_txt_reply(data.data(), len, &txt)); + EXPECT_EQ(nullptr, txt); + } +} + +TEST_F(LibraryTest, ParseTxtReplyAllocFail) { + DNSPacket pkt; + std::string expected1 = "txt1.example.com"; + std::string expected2a = "txt2a"; + std::string expected2b = "txt2b"; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com", ns_t_mx)) + .add_answer(new DNSCnameRR("example.com", 300, "c.example.com")) + .add_answer(new DNSTxtRR("c.example.com", 100, {expected1})) + .add_answer(new DNSTxtRR("c.example.com", 100, {expected1})) + .add_answer(new DNSTxtRR("c.example.com", 100, {expected2a, expected2b})); + std::vector<byte> data = pkt.data(); + struct ares_txt_reply* txt = nullptr; + + for (int ii = 1; ii <= 13; ii++) { + ClearFails(); + SetAllocFail(ii); + EXPECT_EQ(ARES_ENOMEM, ares_parse_txt_reply(data.data(), data.size(), &txt)) << ii; + } +} + + +} // namespace test +} // namespace ares diff --git a/test/ares-test-parse.cc b/test/ares-test-parse.cc new file mode 100644 index 0000000..4c54fc9 --- /dev/null +++ b/test/ares-test-parse.cc @@ -0,0 +1,219 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <sstream> +#include <vector> + +namespace ares { +namespace test { + +TEST_F(LibraryTest, ParseRootName) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion(".", ns_t_a)) + .add_answer(new DNSARR(".", 100, {0x02, 0x03, 0x04, 0x05})); + std::vector<byte> data = pkt.data(); + + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'' aliases=[] addrs=[2.3.4.5]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseIndirectRootName) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0xC0, 0x04, // weird: pointer to a random zero earlier in the message + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + // Answer 1 + 0xC0, 0x04, + 0x00, 0x01, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x04, // rdata length + 0x02, 0x03, 0x04, 0x05, + }; + + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'' aliases=[] addrs=[2.3.4.5]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseEscapedName) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x05, 'a', '\\', 'b', '.', 'c', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + // Answer 1 + 0x05, 'a', '\\', 'b', '.', 'c', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x04, // rdata length + 0x02, 0x03, 0x04, 0x05, + }; + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + EXPECT_EQ(1, count); + HostEnt hent(host); + std::stringstream ss; + ss << hent; + // The printable name is expanded with escapes. + EXPECT_EQ(11, hent.name_.size()); + EXPECT_EQ('a', hent.name_[0]); + EXPECT_EQ('\\', hent.name_[1]); + EXPECT_EQ('\\', hent.name_[2]); + EXPECT_EQ('b', hent.name_[3]); + EXPECT_EQ('\\', hent.name_[4]); + EXPECT_EQ('.', hent.name_[5]); + EXPECT_EQ('c', hent.name_[6]); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParsePartialCompressedName) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x03, 'w', 'w', 'w', + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + // Answer 1 + 0x03, 'w', 'w', 'w', + 0xc0, 0x10, // offset 16 + 0x00, 0x01, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x04, // rdata length + 0x02, 0x03, 0x04, 0x05, + }; + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'www.example.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseFullyCompressedName) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0x03, 'w', 'w', 'w', + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + // Answer 1 + 0xc0, 0x0c, // offset 12 + 0x00, 0x01, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x04, // rdata length + 0x02, 0x03, 0x04, 0x05, + }; + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'www.example.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); + ares_free_hostent(host); +} + +TEST_F(LibraryTest, ParseFullyCompressedName2) { + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x01, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question + 0xC0, 0x12, // pointer to later in message + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + // Answer 1 + 0x03, 'w', 'w', 'w', + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x04, // rdata length + 0x02, 0x03, 0x04, 0x05, + }; + struct hostent *host = nullptr; + struct ares_addrttl info[2]; + int count = 2; + EXPECT_EQ(ARES_SUCCESS, ares_parse_a_reply(data.data(), data.size(), + &host, info, &count)); + ASSERT_NE(nullptr, host); + std::stringstream ss; + ss << HostEnt(host); + EXPECT_EQ("{'www.example.com' aliases=[] addrs=[2.3.4.5]}", ss.str()); + ares_free_hostent(host); +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test.cc b/test/ares-test.cc new file mode 100644 index 0000000..96c80b9 --- /dev/null +++ b/test/ares-test.cc @@ -0,0 +1,667 @@ +#include "ares-test.h" +#include "dns-proto.h" + +// Include ares internal files for DNS protocol details +#include "nameser.h" +#include "ares_dns.h" + +#ifdef HAVE_NETDB_H +#include <netdb.h> +#endif +#ifdef HAVE_NETINET_TCP_H +#include <netinet/tcp.h> +#endif +#include <stdio.h> +#include <stdlib.h> + +#include <functional> +#include <sstream> + +#ifdef WIN32 +#define BYTE_CAST (char *) +#define sclose(x) closesocket(x) +#define mkdir_(d, p) mkdir(d) +#else +#define BYTE_CAST +#define sclose(x) close(x) +#define mkdir_(d, p) mkdir(d, p) +#endif + +namespace ares { +namespace test { + +bool verbose = false; +int mock_port = 5300; + +unsigned long long LibraryTest::fails_ = 0; +std::map<size_t, int> LibraryTest::size_fails_; + +void ProcessWork(ares_channel channel, + std::function<std::set<int>()> get_extrafds, + std::function<void(int)> process_extra) { + int nfds, count; + fd_set readers, writers; + struct timeval tv; + while (true) { + // Retrieve the set of file descriptors that the library wants us to monitor. + FD_ZERO(&readers); + FD_ZERO(&writers); + nfds = ares_fds(channel, &readers, &writers); + if (nfds == 0) // no work left to do in the library + return; + + // Add in the extra FDs if present. + std::set<int> extrafds = get_extrafds(); + for (int extrafd : extrafds) { + FD_SET(extrafd, &readers); + if (extrafd >= nfds) { + nfds = extrafd + 1; + } + } + + // Wait for activity or timeout. + tv.tv_sec = 0; + tv.tv_usec = 100000; // 100ms + count = select(nfds, &readers, &writers, nullptr, &tv); + if (count < 0) { + fprintf(stderr, "select() failed, errno %d\n", errno); + return; + } + + // Let the library process any activity. + ares_process(channel, &readers, &writers); + + // Let the provided callback process any activity on the extra FD. + for (int extrafd : extrafds) { + if (FD_ISSET(extrafd, &readers)) { + process_extra(extrafd); + } + } + } +} + +// static +void LibraryTest::SetAllocFail(int nth) { + assert(nth > 0); + assert(nth <= (int)(8 * sizeof(fails_))); + fails_ |= (1LL << (nth - 1)); +} + +// static +void LibraryTest::SetAllocSizeFail(size_t size) { + size_fails_[size]++; +} + +// static +void LibraryTest::ClearFails() { + fails_ = 0; + size_fails_.clear(); +} + + +// static +bool LibraryTest::ShouldAllocFail(size_t size) { + bool fail = (fails_ & 0x01); + fails_ >>= 1; + if (size_fails_[size] > 0) { + size_fails_[size]--; + fail = true; + } + return fail; +} + +// static +void* LibraryTest::amalloc(size_t size) { + if (ShouldAllocFail(size)) { + if (verbose) std::cerr << "Failing malloc(" << size << ") request" << std::endl; + return nullptr; + } else { + return malloc(size); + } +} + +// static +void* LibraryTest::arealloc(void *ptr, size_t size) { + if (ShouldAllocFail(size)) { + if (verbose) std::cerr << "Failing realloc(" << ptr << ", " << size << ") request" << std::endl; + return nullptr; + } else { + return realloc(ptr, size); + } +} + +// static +void LibraryTest::afree(void *ptr) { + free(ptr); +} + +std::set<int> NoExtraFDs() { + return std::set<int>(); +} + +void DefaultChannelTest::Process() { + ProcessWork(channel_, NoExtraFDs, nullptr); +} + +void DefaultChannelModeTest::Process() { + ProcessWork(channel_, NoExtraFDs, nullptr); +} + +MockServer::MockServer(int family, int port, int tcpport) + : udpport_(port), tcpport_(tcpport ? tcpport : udpport_), qid_(-1) { + // Create a TCP socket to receive data on. + tcpfd_ = socket(family, SOCK_STREAM, 0); + EXPECT_NE(-1, tcpfd_); + int optval = 1; + setsockopt(tcpfd_, SOL_SOCKET, SO_REUSEADDR, + BYTE_CAST &optval , sizeof(int)); + // Send TCP data right away. + setsockopt(tcpfd_, IPPROTO_TCP, TCP_NODELAY, + BYTE_CAST &optval , sizeof(int)); + + // Create a UDP socket to receive data on. + udpfd_ = socket(family, SOCK_DGRAM, 0); + EXPECT_NE(-1, udpfd_); + + // Bind the sockets to the given port. + if (family == AF_INET) { + struct sockaddr_in addr; + memset(&addr, 0, sizeof(addr)); + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = htonl(INADDR_ANY); + addr.sin_port = htons(tcpport_); + int tcprc = bind(tcpfd_, (struct sockaddr*)&addr, sizeof(addr)); + EXPECT_EQ(0, tcprc) << "Failed to bind AF_INET to TCP port " << tcpport_; + addr.sin_port = htons(udpport_); + int udprc = bind(udpfd_, (struct sockaddr*)&addr, sizeof(addr)); + EXPECT_EQ(0, udprc) << "Failed to bind AF_INET to UDP port " << udpport_; + } else { + EXPECT_EQ(AF_INET6, family); + struct sockaddr_in6 addr; + memset(&addr, 0, sizeof(addr)); + addr.sin6_family = AF_INET6; + addr.sin6_addr = in6addr_any; + addr.sin6_port = htons(tcpport_); + int tcprc = bind(tcpfd_, (struct sockaddr*)&addr, sizeof(addr)); + EXPECT_EQ(0, tcprc) << "Failed to bind AF_INET6 to TCP port " << tcpport_; + addr.sin6_port = htons(udpport_); + int udprc = bind(udpfd_, (struct sockaddr*)&addr, sizeof(addr)); + EXPECT_EQ(0, udprc) << "Failed to bind AF_INET6 to UDP port " << udpport_; + } + if (verbose) std::cerr << "Configured " + << (family == AF_INET ? "IPv4" : "IPv6") + << " mock server with TCP socket " << tcpfd_ + << " on port " << tcpport_ + << " and UDP socket " << udpfd_ + << " on port " << udpport_ << std::endl; + + // For TCP, also need to listen for connections. + EXPECT_EQ(0, listen(tcpfd_, 5)) << "Failed to listen for TCP connections"; +} + +MockServer::~MockServer() { + for (int fd : connfds_) { + sclose(fd); + } + sclose(tcpfd_); + sclose(udpfd_); +} + +void MockServer::ProcessFD(int fd) { + if (fd != tcpfd_ && fd != udpfd_ && connfds_.find(fd) == connfds_.end()) { + // Not one of our FDs. + return; + } + if (fd == tcpfd_) { + int connfd = accept(tcpfd_, NULL, NULL); + if (connfd < 0) { + std::cerr << "Error accepting connection on fd " << fd << std::endl; + } else { + connfds_.insert(connfd); + } + return; + } + + // Activity on a data-bearing file descriptor. + struct sockaddr_storage addr; + socklen_t addrlen = sizeof(addr); + byte buffer[2048]; + int len = recvfrom(fd, BYTE_CAST buffer, sizeof(buffer), 0, + (struct sockaddr *)&addr, &addrlen); + byte* data = buffer; + if (fd != udpfd_) { + if (len == 0) { + connfds_.erase(std::find(connfds_.begin(), connfds_.end(), fd)); + sclose(fd); + return; + } + if (len < 2) { + std::cerr << "Packet too short (" << len << ")" << std::endl; + return; + } + int tcplen = (data[0] << 8) + data[1]; + data += 2; + len -= 2; + if (tcplen != len) { + std::cerr << "Warning: TCP length " << tcplen + << " doesn't match remaining data length " << len << std::endl; + } + } + + // Assume the packet is a well-formed DNS request and extract the request + // details. + if (len < NS_HFIXEDSZ) { + std::cerr << "Packet too short (" << len << ")" << std::endl; + return; + } + int qid = DNS_HEADER_QID(data); + if (DNS_HEADER_QR(data) != 0) { + std::cerr << "Not a request" << std::endl; + return; + } + if (DNS_HEADER_OPCODE(data) != ns_o_query) { + std::cerr << "Not a query (opcode " << DNS_HEADER_OPCODE(data) + << ")" << std::endl; + return; + } + if (DNS_HEADER_QDCOUNT(data) != 1) { + std::cerr << "Unexpected question count (" << DNS_HEADER_QDCOUNT(data) + << ")" << std::endl; + return; + } + byte* question = data + 12; + int qlen = len - 12; + + char *name = nullptr; + long enclen; + ares_expand_name(question, data, len, &name, &enclen); + if (!name) { + std::cerr << "Failed to retrieve name" << std::endl; + return; + } + qlen -= enclen; + question += enclen; + std::string namestr(name); + free(name); + + if (qlen < 4) { + std::cerr << "Unexpected question size (" << qlen + << " bytes after name)" << std::endl; + return; + } + if (DNS_QUESTION_CLASS(question) != ns_c_in) { + std::cerr << "Unexpected question class (" << DNS_QUESTION_CLASS(question) + << ")" << std::endl; + return; + } + int rrtype = DNS_QUESTION_TYPE(question); + + if (verbose) { + std::vector<byte> req(data, data + len); + std::cerr << "received " << (fd == udpfd_ ? "UDP" : "TCP") << " request " << PacketToString(req) + << " on port " << (fd == udpfd_ ? udpport_ : tcpport_) << std::endl; + std::cerr << "ProcessRequest(" << qid << ", '" << namestr + << "', " << RRTypeToString(rrtype) << ")" << std::endl; + } + ProcessRequest(fd, &addr, addrlen, qid, namestr, rrtype); +} + +std::set<int> MockServer::fds() const { + std::set<int> result = connfds_; + result.insert(tcpfd_); + result.insert(udpfd_); + return result; +} + +void MockServer::ProcessRequest(int fd, struct sockaddr_storage* addr, int addrlen, + int qid, const std::string& name, int rrtype) { + // Before processing, let gMock know the request is happening. + OnRequest(name, rrtype); + + if (reply_.size() == 0) { + return; + } + + // Make a local copy of the current pending reply. + std::vector<byte> reply = reply_; + + if (qid_ >= 0) { + // Use the explicitly specified query ID. + qid = qid_; + } + if (reply.size() >= 2) { + // Overwrite the query ID if space to do so. + reply[0] = (byte)((qid >> 8) & 0xff); + reply[1] = (byte)(qid & 0xff); + } + if (verbose) std::cerr << "sending reply " << PacketToString(reply) + << " on port " << ((fd == udpfd_) ? udpport_ : tcpport_) << std::endl; + + // Prefix with 2-byte length if TCP. + if (fd != udpfd_) { + int len = reply.size(); + std::vector<byte> vlen = {(byte)((len & 0xFF00) >> 8), (byte)(len & 0xFF)}; + reply.insert(reply.begin(), vlen.begin(), vlen.end()); + // Also, don't bother with the destination address. + addr = nullptr; + addrlen = 0; + } + + int rc = sendto(fd, BYTE_CAST reply.data(), reply.size(), 0, + (struct sockaddr *)addr, addrlen); + if (rc < static_cast<int>(reply.size())) { + std::cerr << "Failed to send full reply, rc=" << rc << std::endl; + } +} + +// static +MockChannelOptsTest::NiceMockServers MockChannelOptsTest::BuildServers(int count, int family, int base_port) { + NiceMockServers servers; + assert(count > 0); + for (int ii = 0; ii < count; ii++) { + std::unique_ptr<NiceMockServer> server(new NiceMockServer(family, base_port + ii)); + servers.push_back(std::move(server)); + } + return servers; +} + +MockChannelOptsTest::MockChannelOptsTest(int count, + int family, + bool force_tcp, + struct ares_options* givenopts, + int optmask) + : servers_(BuildServers(count, family, mock_port)), + server_(*servers_[0].get()), channel_(nullptr) { + // Set up channel options. + struct ares_options opts; + if (givenopts) { + memcpy(&opts, givenopts, sizeof(opts)); + } else { + memset(&opts, 0, sizeof(opts)); + } + + // Point the library at the first mock server by default (overridden below). + opts.udp_port = mock_port; + optmask |= ARES_OPT_UDP_PORT; + opts.tcp_port = mock_port; + optmask |= ARES_OPT_TCP_PORT; + + // If not already overridden, set short-ish timeouts. + if (!(optmask & (ARES_OPT_TIMEOUTMS|ARES_OPT_TIMEOUT))) { + opts.timeout = 1500; + optmask |= ARES_OPT_TIMEOUTMS; + } + // If not already overridden, set 3 retries. + if (!(optmask & ARES_OPT_TRIES)) { + opts.tries = 3; + optmask |= ARES_OPT_TRIES; + } + // If not already overridden, set search domains. + const char *domains[3] = {"first.com", "second.org", "third.gov"}; + if (!(optmask & ARES_OPT_DOMAINS)) { + opts.ndomains = 3; + opts.domains = (char**)domains; + optmask |= ARES_OPT_DOMAINS; + } + if (force_tcp) { + opts.flags |= ARES_FLAG_USEVC; + optmask |= ARES_OPT_FLAGS; + } + + EXPECT_EQ(ARES_SUCCESS, ares_init_options(&channel_, &opts, optmask)); + EXPECT_NE(nullptr, channel_); + + // Set up servers after construction so we can set individual ports + struct ares_addr_port_node* prev = nullptr; + struct ares_addr_port_node* first = nullptr; + for (const auto& server : servers_) { + struct ares_addr_port_node* node = (struct ares_addr_port_node*)malloc(sizeof(*node)); + if (prev) { + prev->next = node; + } else { + first = node; + } + node->next = nullptr; + node->family = family; + node->udp_port = server->udpport(); + node->tcp_port = server->tcpport(); + if (family == AF_INET) { + node->addr.addr4.s_addr = htonl(0x7F000001); + } else { + memset(&node->addr.addr6, 0, sizeof(node->addr.addr6)); + node->addr.addr6._S6_un._S6_u8[15] = 1; + } + prev = node; + } + EXPECT_EQ(ARES_SUCCESS, ares_set_servers_ports(channel_, first)); + + while (first) { + prev = first; + first = first->next; + free(prev); + } + if (verbose) { + std::cerr << "Configured library with servers:"; + std::vector<std::string> servers = GetNameServers(channel_); + for (const auto& server : servers) { + std::cerr << " " << server; + } + std::cerr << std::endl; + } +} + +MockChannelOptsTest::~MockChannelOptsTest() { + if (channel_) { + ares_destroy(channel_); + } + channel_ = nullptr; +} + +std::set<int> MockChannelOptsTest::fds() const { + std::set<int> fds; + for (const auto& server : servers_) { + std::set<int> serverfds = server->fds(); + fds.insert(serverfds.begin(), serverfds.end()); + } + return fds; +} + +void MockChannelOptsTest::ProcessFD(int fd) { + for (auto& server : servers_) { + server->ProcessFD(fd); + } +} + +void MockChannelOptsTest::Process() { + using namespace std::placeholders; + ProcessWork(channel_, + std::bind(&MockChannelOptsTest::fds, this), + std::bind(&MockChannelOptsTest::ProcessFD, this, _1)); +} + +std::ostream& operator<<(std::ostream& os, const HostResult& result) { + os << '{'; + if (result.done_) { + os << StatusToString(result.status_) << " " << result.host_; + } else { + os << "(incomplete)"; + } + os << '}'; + return os; +} + +HostEnt::HostEnt(const struct hostent *hostent) : addrtype_(-1) { + if (!hostent) + return; + if (hostent->h_name) + name_ = hostent->h_name; + if (hostent->h_aliases) { + char** palias = hostent->h_aliases; + while (*palias != nullptr) { + aliases_.push_back(*palias); + palias++; + } + } + addrtype_ = hostent->h_addrtype; + if (hostent->h_addr_list) { + char** paddr = hostent->h_addr_list; + while (*paddr != nullptr) { + std::string addr = AddressToString(*paddr, hostent->h_length); + addrs_.push_back(addr); + paddr++; + } + } +} + +std::ostream& operator<<(std::ostream& os, const HostEnt& host) { + os << '{'; + os << "'" << host.name_ << "' " + << "aliases=["; + for (size_t ii = 0; ii < host.aliases_.size(); ii++) { + if (ii > 0) os << ", "; + os << host.aliases_[ii]; + } + os << "] "; + os << "addrs=["; + for (size_t ii = 0; ii < host.addrs_.size(); ii++) { + if (ii > 0) os << ", "; + os << host.addrs_[ii]; + } + os << "]"; + os << '}'; + return os; +} + +void HostCallback(void *data, int status, int timeouts, + struct hostent *hostent) { + EXPECT_NE(nullptr, data); + HostResult* result = reinterpret_cast<HostResult*>(data); + result->done_ = true; + result->status_ = status; + result->timeouts_ = timeouts; + result->host_ = HostEnt(hostent); + if (verbose) std::cerr << "HostCallback(" << *result << ")" << std::endl; +} + +std::ostream& operator<<(std::ostream& os, const SearchResult& result) { + os << '{'; + if (result.done_) { + os << StatusToString(result.status_) << " " << PacketToString(result.data_); + } else { + os << "(incomplete)"; + } + os << '}'; + return os; +} + +void SearchCallback(void *data, int status, int timeouts, + unsigned char *abuf, int alen) { + EXPECT_NE(nullptr, data); + SearchResult* result = reinterpret_cast<SearchResult*>(data); + result->done_ = true; + result->status_ = status; + result->timeouts_ = timeouts; + result->data_.assign(abuf, abuf + alen); + if (verbose) std::cerr << "SearchCallback(" << *result << ")" << std::endl; +} + +std::ostream& operator<<(std::ostream& os, const NameInfoResult& result) { + os << '{'; + if (result.done_) { + os << StatusToString(result.status_) << " " << result.node_ << " " << result.service_; + } else { + os << "(incomplete)"; + } + os << '}'; + return os; +} + +void NameInfoCallback(void *data, int status, int timeouts, + char *node, char *service) { + EXPECT_NE(nullptr, data); + NameInfoResult* result = reinterpret_cast<NameInfoResult*>(data); + result->done_ = true; + result->status_ = status; + result->timeouts_ = timeouts; + result->node_ = std::string(node ? node : ""); + result->service_ = std::string(service ? service : ""); + if (verbose) std::cerr << "NameInfoCallback(" << *result << ")" << std::endl; +} + +std::vector<std::string> GetNameServers(ares_channel channel) { + struct ares_addr_port_node* servers = nullptr; + EXPECT_EQ(ARES_SUCCESS, ares_get_servers_ports(channel, &servers)); + struct ares_addr_port_node* server = servers; + std::vector<std::string> results; + while (server) { + std::stringstream ss; + switch (server->family) { + case AF_INET: + ss << AddressToString((char*)&server->addr.addr4, 4); + break; + case AF_INET6: + if (server->udp_port != 0) { + ss << '['; + } + ss << AddressToString((char*)&server->addr.addr6, 16); + if (server->udp_port != 0) { + ss << ']'; + } + break; + default: + results.push_back("<unknown family>"); + break; + } + if (server->udp_port != 0) { + ss << ":" << server->udp_port; + } + results.push_back(ss.str()); + server = server->next; + } + if (servers) ares_free_data(servers); + return results; +} + +TransientDir::TransientDir(const std::string& dirname) : dirname_(dirname) { + if (mkdir_(dirname_.c_str(), 0755) != 0) { + std::cerr << "Failed to create subdirectory '" << dirname_ << "'" << std::endl; + } +} + +TransientDir::~TransientDir() { + rmdir(dirname_.c_str()); +} + +TransientFile::TransientFile(const std::string& filename, + const std::string& contents) + : filename_(filename) { + FILE *f = fopen(filename.c_str(), "w"); + if (f == nullptr) { + std::cerr << "Error: failed to create '" << filename << "'" << std::endl; + return; + } + int rc = fwrite(contents.data(), 1, contents.size(), f); + if (rc != (int)contents.size()) { + std::cerr << "Error: failed to write contents of '" << filename << "'" << std::endl; + } + fclose(f); +} + +TransientFile::~TransientFile() { + unlink(filename_.c_str()); +} + +std::string TempNam(const char *dir, const char *prefix) { + char *p = tempnam(dir, prefix); + std::string result(p); + free(p); + return result; +} + +TempFile::TempFile(const std::string& contents) + : TransientFile(TempNam(nullptr, "ares"), contents) { + +} + +} // namespace test +} // namespace ares diff --git a/test/ares-test.h b/test/ares-test.h new file mode 100644 index 0000000..a00e53a --- /dev/null +++ b/test/ares-test.h @@ -0,0 +1,383 @@ +// -*- mode: c++ -*- +#ifndef ARES_TEST_H +#define ARES_TEST_H + +#include "ares.h" + +#include "dns-proto.h" + +// Include ares internal file for DNS protocol constants +#include "nameser.h" + +#include "gtest/gtest.h" +#include "gmock/gmock.h" + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#if defined(HAVE_USER_NAMESPACE) && defined(HAVE_UTS_NAMESPACE) +#define HAVE_CONTAINER +#endif + +#include <functional> +#include <list> +#include <map> +#include <memory> +#include <set> +#include <string> +#include <utility> +#include <vector> + +namespace ares { + +typedef unsigned char byte; + +namespace test { + +extern bool verbose; +extern int mock_port; + +// Process all pending work on ares-owned file descriptors, plus +// optionally the given set-of-FDs + work function. +void ProcessWork(ares_channel channel, + std::function<std::set<int>()> get_extrafds, + std::function<void(int)> process_extra); +std::set<int> NoExtraFDs(); + +// Test fixture that ensures library initialization, and allows +// memory allocations to be failed. +class LibraryTest : public ::testing::Test { + public: + LibraryTest() { + EXPECT_EQ(ARES_SUCCESS, + ares_library_init_mem(ARES_LIB_INIT_ALL, + &LibraryTest::amalloc, + &LibraryTest::afree, + &LibraryTest::arealloc)); + } + ~LibraryTest() { + ares_library_cleanup(); + ClearFails(); + } + // Set the n-th malloc call (of any size) from the library to fail. + // (nth == 1 means the next call) + static void SetAllocFail(int nth); + // Set the next malloc call for the given size to fail. + static void SetAllocSizeFail(size_t size); + // Remove any pending alloc failures. + static void ClearFails(); + + static void *amalloc(size_t size); + static void* arealloc(void *ptr, size_t size); + static void afree(void *ptr); + private: + static bool ShouldAllocFail(size_t size); + static unsigned long long fails_; + static std::map<size_t, int> size_fails_; +}; + +// Test fixture that uses a default channel. +class DefaultChannelTest : public LibraryTest { + public: + DefaultChannelTest() : channel_(nullptr) { + EXPECT_EQ(ARES_SUCCESS, ares_init(&channel_)); + EXPECT_NE(nullptr, channel_); + } + + ~DefaultChannelTest() { + ares_destroy(channel_); + channel_ = nullptr; + } + + // Process all pending work on ares-owned file descriptors. + void Process(); + + protected: + ares_channel channel_; +}; + +// Test fixture that uses a default channel with the specified lookup mode. +class DefaultChannelModeTest + : public LibraryTest, + public ::testing::WithParamInterface<std::string> { + public: + DefaultChannelModeTest() : channel_(nullptr) { + struct ares_options opts = {0}; + opts.lookups = strdup(GetParam().c_str()); + int optmask = ARES_OPT_LOOKUPS; + EXPECT_EQ(ARES_SUCCESS, ares_init_options(&channel_, &opts, optmask)); + EXPECT_NE(nullptr, channel_); + free(opts.lookups); + } + + ~DefaultChannelModeTest() { + ares_destroy(channel_); + channel_ = nullptr; + } + + // Process all pending work on ares-owned file descriptors. + void Process(); + + protected: + ares_channel channel_; +}; + +// Mock DNS server to allow responses to be scripted by tests. +class MockServer { + public: + MockServer(int family, int port, int tcpport = 0); + ~MockServer(); + + // Mock method indicating the processing of a particular <name, RRtype> + // request. + MOCK_METHOD2(OnRequest, void(const std::string& name, int rrtype)); + + // Set the reply to be sent next; the query ID field will be overwritten + // with the value from the request. + void SetReplyData(const std::vector<byte>& reply) { reply_ = reply; } + void SetReply(const DNSPacket* reply) { SetReplyData(reply->data()); } + void SetReplyQID(int qid) { qid_ = qid; } + + // The set of file descriptors that the server handles. + std::set<int> fds() const; + + // Process activity on a file descriptor. + void ProcessFD(int fd); + + // Ports the server is responding to + int udpport() const { return udpport_; } + int tcpport() const { return tcpport_; } + + private: + void ProcessRequest(int fd, struct sockaddr_storage* addr, int addrlen, + int qid, const std::string& name, int rrtype); + + int udpport_; + int tcpport_; + int udpfd_; + int tcpfd_; + std::set<int> connfds_; + std::vector<byte> reply_; + int qid_; +}; + +// Test fixture that uses a mock DNS server. +class MockChannelOptsTest : public LibraryTest { + public: + MockChannelOptsTest(int count, int family, bool force_tcp, struct ares_options* givenopts, int optmask); + ~MockChannelOptsTest(); + + // Process all pending work on ares-owned and mock-server-owned file descriptors. + void Process(); + + protected: + // NiceMockServer doesn't complain about uninteresting calls. + typedef testing::NiceMock<MockServer> NiceMockServer; + typedef std::vector< std::unique_ptr<NiceMockServer> > NiceMockServers; + + std::set<int> fds() const; + void ProcessFD(int fd); + + static NiceMockServers BuildServers(int count, int family, int base_port); + + NiceMockServers servers_; + // Convenience reference to first server. + NiceMockServer& server_; + ares_channel channel_; +}; + +class MockChannelTest + : public MockChannelOptsTest, + public ::testing::WithParamInterface< std::pair<int, bool> > { + public: + MockChannelTest() : MockChannelOptsTest(1, GetParam().first, GetParam().second, nullptr, 0) {} +}; + +class MockUDPChannelTest + : public MockChannelOptsTest, + public ::testing::WithParamInterface<int> { + public: + MockUDPChannelTest() : MockChannelOptsTest(1, GetParam(), false, nullptr, 0) {} +}; + +class MockTCPChannelTest + : public MockChannelOptsTest, + public ::testing::WithParamInterface<int> { + public: + MockTCPChannelTest() : MockChannelOptsTest(1, GetParam(), true, nullptr, 0) {} +}; + +// gMock action to set the reply for a mock server. +ACTION_P2(SetReplyData, mockserver, data) { + mockserver->SetReplyData(data); +} +ACTION_P2(SetReply, mockserver, reply) { + mockserver->SetReply(reply); +} +ACTION_P2(SetReplyQID, mockserver, qid) { + mockserver->SetReplyQID(qid); +} +// gMock action to cancel a channel. +ACTION_P2(CancelChannel, mockserver, channel) { + ares_cancel(channel); +} + +// C++ wrapper for struct hostent. +struct HostEnt { + HostEnt() : addrtype_(-1) {} + HostEnt(const struct hostent* hostent); + std::string name_; + std::vector<std::string> aliases_; + int addrtype_; // AF_INET or AF_INET6 + std::vector<std::string> addrs_; +}; +std::ostream& operator<<(std::ostream& os, const HostEnt& result); + +// Structure that describes the result of an ares_host_callback invocation. +struct HostResult { + // Whether the callback has been invoked. + bool done_; + // Explicitly provided result information. + int status_; + int timeouts_; + // Contents of the hostent structure, if provided. + HostEnt host_; +}; +std::ostream& operator<<(std::ostream& os, const HostResult& result); + +// Structure that describes the result of an ares_callback invocation. +struct SearchResult { + // Whether the callback has been invoked. + bool done_; + // Explicitly provided result information. + int status_; + int timeouts_; + std::vector<byte> data_; +}; +std::ostream& operator<<(std::ostream& os, const SearchResult& result); + +// Structure that describes the result of an ares_nameinfo_callback invocation. +struct NameInfoResult { + // Whether the callback has been invoked. + bool done_; + // Explicitly provided result information. + int status_; + int timeouts_; + std::string node_; + std::string service_; +}; +std::ostream& operator<<(std::ostream& os, const NameInfoResult& result); + +// Standard implementation of ares callbacks that fill out the corresponding +// structures. +void HostCallback(void *data, int status, int timeouts, + struct hostent *hostent); +void SearchCallback(void *data, int status, int timeouts, + unsigned char *abuf, int alen); +void NameInfoCallback(void *data, int status, int timeouts, + char *node, char *service); + +// Retrieve the name servers used by a channel. +std::vector<std::string> GetNameServers(ares_channel channel); + + +// RAII class to temporarily create a directory of a given name. +class TransientDir { + public: + TransientDir(const std::string& dirname); + ~TransientDir(); + + private: + std::string dirname_; +}; + +// C++ wrapper around tempnam() +std::string TempNam(const char *dir, const char *prefix); + +// RAII class to temporarily create file of a given name and contents. +class TransientFile { + public: + TransientFile(const std::string &filename, const std::string &contents); + ~TransientFile(); + + protected: + std::string filename_; +}; + +// RAII class for a temporary file with the given contents. +class TempFile : public TransientFile { + public: + TempFile(const std::string& contents); + const char* filename() const { return filename_.c_str(); } +}; + +#ifndef WIN32 +// RAII class for a temporary environment variable value. +class EnvValue { + public: + EnvValue(const char *name, const char *value) : name_(name), restore_(false) { + char *original = getenv(name); + if (original) { + restore_ = true; + original_ = original; + } + setenv(name_.c_str(), value, 1); + } + ~EnvValue() { + if (restore_) { + setenv(name_.c_str(), original_.c_str(), 1); + } else { + unsetenv(name_.c_str()); + } + } + private: + std::string name_; + bool restore_; + std::string original_; +}; +#endif + + +#ifdef HAVE_CONTAINER +// Linux-specific functionality for running code in a container, implemented +// in ares-test-ns.cc +typedef std::function<int(void)> VoidToIntFn; +typedef std::vector<std::pair<std::string, std::string>> NameContentList; + +class ContainerFilesystem { + public: + ContainerFilesystem(NameContentList files, const std::string& mountpt); + ~ContainerFilesystem(); + std::string root() const { return rootdir_; }; + std::string mountpt() const { return mountpt_; }; + private: + void EnsureDirExists(const std::string& dir); + std::string rootdir_; + std::string mountpt_; + std::list<std::string> dirs_; + std::vector<std::unique_ptr<TransientFile>> files_; +}; + +int RunInContainer(ContainerFilesystem* fs, const std::string& hostname, + const std::string& domainname, VoidToIntFn fn); + +#define ICLASS_NAME(casename, testname) Contained##casename##_##testname +#define CONTAINED_TEST_F(casename, testname, hostname, domainname, files) \ + class ICLASS_NAME(casename, testname) : public casename { \ + public: \ + ICLASS_NAME(casename, testname)() {} \ + static int InnerTestBody(); \ + }; \ + TEST_F(ICLASS_NAME(casename, testname), _) { \ + ContainerFilesystem chroot(files, ".."); \ + VoidToIntFn fn(ICLASS_NAME(casename, testname)::InnerTestBody); \ + EXPECT_EQ(0, RunInContainer(&chroot, hostname, domainname, fn)); \ + } \ + int ICLASS_NAME(casename, testname)::InnerTestBody() + +#endif + +} // namespace test +} // namespace ares + +#endif diff --git a/test/config.h.in b/test/config.h.in new file mode 100644 index 0000000..9e25cdb --- /dev/null +++ b/test/config.h.in @@ -0,0 +1,80 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* define if the compiler supports basic C++11 syntax */ +#undef HAVE_CXX11 + +/* Define to 1 if you have the <dlfcn.h> header file. */ +#undef HAVE_DLFCN_H + +/* Define to 1 if you have the <inttypes.h> header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the <memory.h> header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the <netdb.h> header file. */ +#undef HAVE_NETDB_H + +/* Define to 1 if you have the <netinet/tcp.h> header file. */ +#undef HAVE_NETINET_TCP_H + +/* Define if you have POSIX threads libraries and header files. */ +#undef HAVE_PTHREAD + +/* Have PTHREAD_PRIO_INHERIT. */ +#undef HAVE_PTHREAD_PRIO_INHERIT + +/* Define to 1 if you have the <stdint.h> header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the <stdlib.h> header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the <strings.h> header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the <string.h> header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the <sys/stat.h> header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the <sys/types.h> header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have the <unistd.h> header file. */ +#undef HAVE_UNISTD_H + +/* Whether user namespaces are available */ +#undef HAVE_USER_NAMESPACE + +/* Whether UTS namespaces are available */ +#undef HAVE_UTS_NAMESPACE + +/* Define to the sub-directory where libtool stores uninstalled libraries. */ +#undef LT_OBJDIR + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to necessary symbol if this constant uses a non-standard name on + your system. */ +#undef PTHREAD_CREATE_JOINABLE + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS diff --git a/test/configure b/test/configure new file mode 100755 index 0000000..a6c2aae --- /dev/null +++ b/test/configure @@ -0,0 +1,19567 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69 for c-ares-test -. +# +# Report bugs to <->. +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 + + test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\ + || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and - about your +$0: system, including any error possibly output before this +$0: message. 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"cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. 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McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # If we had to re-execute with $CONFIG_SHELL, we're ensured to have + # already done that, so ensure we don't try to do so again and fall + # in an infinite loop. This has already happened in practice. + _as_can_reexec=no; export _as_can_reexec + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit +} + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + 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[VAR=VALUE]... + +To assign environment variables (e.g., CC, CFLAGS...), specify them as +VAR=VALUE. See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking ...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/c-ares-test] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] +_ACEOF + + cat <<\_ACEOF + +Program names: + --program-prefix=PREFIX prepend PREFIX to installed program names + --program-suffix=SUFFIX append SUFFIX to installed program names + --program-transform-name=PROGRAM run sed PROGRAM on installed program names + +System types: + --build=BUILD configure for building on BUILD [guessed] + --host=HOST cross-compile to build programs to run on HOST [BUILD] +_ACEOF +fi + +if test -n "$ac_init_help"; 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"*** A compiler with support for C++11 language features is required." "$LINENO" 5 + fi + else + if test x$ac_success = xno; then + HAVE_CXX11=0 + { $as_echo "$as_me:${as_lineno-$LINENO}: No compiler with C++11 support was found" >&5 +$as_echo "$as_me: No compiler with C++11 support was found" >&6;} + else + HAVE_CXX11=1 + +$as_echo "#define HAVE_CXX11 1" >>confdefs.h + + fi + + + fi + +case `pwd` in + *\ * | *\ *) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5 +$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;; +esac + + + +macro_version='2.4.6' +macro_revision='2.4.6' + + + + + + + + + + + + + +ltmain=$ac_aux_dir/ltmain.sh + +# Make sure we can run config.sub. +$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 || + as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5 +$as_echo_n "checking build system type... " >&6; } +if ${ac_cv_build+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_build_alias=$build_alias +test "x$ac_build_alias" = x && + ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"` +test "x$ac_build_alias" = x && + as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5 +ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5 + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5 +$as_echo "$ac_cv_build" >&6; } +case $ac_cv_build in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;; +esac +build=$ac_cv_build +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_build +shift +build_cpu=$1 +build_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +build_os=$* +IFS=$ac_save_IFS +case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5 +$as_echo_n "checking host system type... " >&6; } +if ${ac_cv_host+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "x$host_alias" = x; then + ac_cv_host=$ac_cv_build +else + ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` || + as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5 +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5 +$as_echo "$ac_cv_host" >&6; } +case $ac_cv_host in +*-*-*) ;; +*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;; +esac +host=$ac_cv_host +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_host +shift +host_cpu=$1 +host_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +host_os=$* +IFS=$ac_save_IFS +case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac + + +# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\(["`$\\]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' + +ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5 +$as_echo_n "checking how to print strings... " >&6; } +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "" +} + +case $ECHO in + printf*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: printf" >&5 +$as_echo "printf" >&6; } ;; + print*) { $as_echo "$as_me:${as_lineno-$LINENO}: result: print -r" >&5 +$as_echo "print -r" >&6; } ;; + *) { $as_echo "$as_me:${as_lineno-$LINENO}: result: cat" >&5 +$as_echo "cat" >&6; } ;; +esac + + + + + + + + + + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdarg.h> +#include <stdio.h> +struct stat; +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +$as_echo_n "checking whether $CC understands -c and -o together... " >&6; } +if ${am_cv_prog_cc_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF + # Make sure it works both with $CC and with simple cc. + # Following AC_PROG_CC_C_O, we do the test twice because some + # compilers refuse to overwrite an existing .o file with -o, + # though they will create one. + am_cv_prog_cc_c_o=yes + for am_i in 1 2; do + if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5 + ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } \ + && test -f conftest2.$ac_objext; then + : OK + else + am_cv_prog_cc_c_o=no + break + fi + done + rm -f core conftest* + unset am_i +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5 +$as_echo "$am_cv_prog_cc_c_o" >&6; } +if test "$am_cv_prog_cc_c_o" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +depcc="$CC" am_compiler_list= + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... 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For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5 +$as_echo_n "checking for a sed that does not truncate output... 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"no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5 +$as_echo_n "checking for fgrep... " >&6; } +if ${ac_cv_path_FGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1 + then ac_cv_path_FGREP="$GREP -F" + else + if test -z "$FGREP"; then + ac_path_FGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in fgrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_FGREP" || continue +# Check for GNU ac_path_FGREP and select it if it is found. + # Check for GNU $ac_path_FGREP +case `"$ac_path_FGREP" --version 2>&1` in +*GNU*) + ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'FGREP' >> "conftest.nl" + "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_FGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_FGREP="$ac_path_FGREP" + ac_path_FGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_FGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_FGREP"; then + as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_FGREP=$FGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5 +$as_echo "$ac_cv_path_FGREP" >&6; } + FGREP="$ac_cv_path_FGREP" + + +test -z "$GREP" && GREP=grep + + + + + + + + + + + + + + + + + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test yes = "$GCC"; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return, which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD=$ac_prog + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test yes = "$with_gnu_ld"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD=$ac_dir/$ac_prog + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in + *GNU* | *'with BFD'*) + test no != "$with_gnu_ld" && break + ;; + *) + test yes != "$with_gnu_ld" && break + ;; + esac + fi + done + IFS=$lt_save_ifs +else + lt_cv_path_LD=$LD # Let the user override the test with a path. +fi +fi + +LD=$lt_cv_path_LD +if test -n "$LD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 </dev/null` in +*GNU* | *'with BFD'*) + lt_cv_prog_gnu_ld=yes + ;; +*) + lt_cv_prog_gnu_ld=no + ;; +esac +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 +$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; } +if ${lt_cv_path_NM+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM=$NM +else + lt_nm_to_check=${ac_tool_prefix}nm + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + tmp_nm=$ac_dir/$lt_tmp_nm + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the 'sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty + case $build_os in + mingw*) lt_bad_file=conftest.nm/nofile ;; + *) lt_bad_file=/dev/null ;; + esac + case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in + *$lt_bad_file* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break 2 + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break 2 + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS=$lt_save_ifs + done + : ${lt_cv_path_NM=no} +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 +$as_echo "$lt_cv_path_NM" >&6; } +if test no != "$lt_cv_path_NM"; then + NM=$lt_cv_path_NM +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + if test -n "$ac_tool_prefix"; then + for ac_prog in dumpbin "link -dump" + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DUMPBIN"; then + ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DUMPBIN=$ac_cv_prog_DUMPBIN +if test -n "$DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 +$as_echo "$DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$DUMPBIN" && break + done +fi +if test -z "$DUMPBIN"; then + ac_ct_DUMPBIN=$DUMPBIN + for ac_prog in dumpbin "link -dump" +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DUMPBIN"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN +if test -n "$ac_ct_DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 +$as_echo "$ac_ct_DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_DUMPBIN" && break +done + + if test "x$ac_ct_DUMPBIN" = x; then + DUMPBIN=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DUMPBIN=$ac_ct_DUMPBIN + fi +fi + + case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols -headers" + ;; + *) + DUMPBIN=: + ;; + esac + fi + + if test : != "$DUMPBIN"; then + NM=$DUMPBIN + fi +fi +test -z "$NM" && NM=nm + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 +$as_echo_n "checking the name lister ($NM) interface... " >&6; } +if ${lt_cv_nm_interface+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: output\"" >&5) + cat conftest.out >&5 + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 +$as_echo "$lt_cv_nm_interface" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } +fi + +# find the maximum length of command line arguments +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 +$as_echo_n "checking the maximum length of command line arguments... " >&6; } +if ${lt_cv_sys_max_cmd_len+:} false; then : + $as_echo_n "(cached) " >&6 +else + i=0 + teststring=ABCD + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test X`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test 17 != "$i" # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac + +fi + +if test -n "$lt_cv_sys_max_cmd_len"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 +$as_echo "$lt_cv_sys_max_cmd_len" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } +fi +max_cmd_len=$lt_cv_sys_max_cmd_len + + + + + + +: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi + + + + + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 +$as_echo_n "checking how to convert $build file names to $host format... " >&6; } +if ${lt_cv_to_host_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac + +fi + +to_host_file_cmd=$lt_cv_to_host_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 +$as_echo "$lt_cv_to_host_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 +$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } +if ${lt_cv_to_tool_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + #assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac + +fi + +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 +$as_echo "$lt_cv_to_tool_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 +$as_echo_n "checking for $LD option to reload object files... " >&6; } +if ${lt_cv_ld_reload_flag+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_reload_flag='-r' +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 +$as_echo "$lt_cv_ld_reload_flag" >&6; } +reload_flag=$lt_cv_ld_reload_flag +case $reload_flag in +"" | " "*) ;; +*) reload_flag=" $reload_flag" ;; +esac +reload_cmds='$LD$reload_flag -o $output$reload_objs' +case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + if test yes != "$GCC"; then + reload_cmds=false + fi + ;; + darwin*) + if test yes = "$GCC"; then + reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' + else + reload_cmds='$LD$reload_flag -o $output$reload_objs' + fi + ;; +esac + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. +set dummy ${ac_tool_prefix}objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OBJDUMP"; then + ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OBJDUMP=$ac_cv_prog_OBJDUMP +if test -n "$OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 +$as_echo "$OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OBJDUMP"; then + ac_ct_OBJDUMP=$OBJDUMP + # Extract the first word of "objdump", so it can be a program name with args. +set dummy objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OBJDUMP"; then + ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OBJDUMP="objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP +if test -n "$ac_ct_OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 +$as_echo "$ac_ct_OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OBJDUMP" = x; then + OBJDUMP="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OBJDUMP=$ac_ct_OBJDUMP + fi +else + OBJDUMP="$ac_cv_prog_OBJDUMP" +fi + +test -z "$OBJDUMP" && OBJDUMP=objdump + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 +$as_echo_n "checking how to recognize dependent libraries... " >&6; } +if ${lt_cv_deplibs_check_method+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# 'unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# that responds to the $file_magic_cmd with a given extended regex. +# If you have 'file' or equivalent on your system and you're not sure +# whether 'pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[4-9]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[45]*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + if ( file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[3-9]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd* | bitrig*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +os2*) + lt_cv_deplibs_check_method=pass_all + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 +$as_echo "$lt_cv_deplibs_check_method" >&6; } + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + + + + + + + + + + + + + + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. +set dummy ${ac_tool_prefix}dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DLLTOOL"; then + ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DLLTOOL=$ac_cv_prog_DLLTOOL +if test -n "$DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 +$as_echo "$DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DLLTOOL"; then + ac_ct_DLLTOOL=$DLLTOOL + # Extract the first word of "dlltool", so it can be a program name with args. +set dummy dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DLLTOOL"; then + ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DLLTOOL="dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL +if test -n "$ac_ct_DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 +$as_echo "$ac_ct_DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DLLTOOL" = x; then + DLLTOOL="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DLLTOOL=$ac_ct_DLLTOOL + fi +else + DLLTOOL="$ac_cv_prog_DLLTOOL" +fi + +test -z "$DLLTOOL" && DLLTOOL=dlltool + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 +$as_echo_n "checking how to associate runtime and link libraries... " >&6; } +if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh; + # decide which one to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd=$ECHO + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 +$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + + + + + + + + +if test -n "$ac_tool_prefix"; then + for ac_prog in ar + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AR="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AR" && break + done +fi +if test -z "$AR"; then + ac_ct_AR=$AR + for ac_prog in ar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_AR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_AR" && break +done + + if test "x$ac_ct_AR" = x; then + AR="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +fi + +: ${AR=ar} +: ${AR_FLAGS=cru} + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 +$as_echo_n "checking for archiver @FILE support... " >&6; } +if ${lt_cv_ar_at_file+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ar_at_file=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test 0 -eq "$ac_status"; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test 0 -ne "$ac_status"; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 +$as_echo "$lt_cv_ar_at_file" >&6; } + +if test no = "$lt_cv_ar_at_file"; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +test -z "$STRIP" && STRIP=: + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +test -z "$RANLIB" && RANLIB=: + + + + + + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + bitrig* | openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + +# Check for command to grab the raw symbol name followed by C symbol from nm. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 +$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } +if ${lt_cv_sys_global_symbol_pipe+:} false; then : + $as_echo_n "(cached) " >&6 +else + +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[BCDEGRST]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([_A-Za-z][_A-Za-z0-9]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[BCDT]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[ABCDGISTW]' + ;; +hpux*) + if test ia64 = "$host_cpu"; then + symcode='[ABCDEGRST]' + fi + ;; +irix* | nonstopux*) + symcode='[BCDEGRST]' + ;; +osf*) + symcode='[BCDEGQRST]' + ;; +solaris*) + symcode='[BDRT]' + ;; +sco3.2v5*) + symcode='[DT]' + ;; +sysv4.2uw2*) + symcode='[DT]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[ABDT]' + ;; +sysv4) + symcode='[DFNSTU]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[ABCDGIRSTW]' ;; +esac + +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Gets list of data symbols to import. + lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" + # Adjust the below global symbol transforms to fixup imported variables. + lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" + lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" + lt_c_name_lib_hook="\ + -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ + -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" +else + # Disable hooks by default. + lt_cv_sys_global_symbol_to_import= + lt_cdecl_hook= + lt_c_name_hook= + lt_c_name_lib_hook= +fi + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n"\ +$lt_cdecl_hook\ +" -e 's/^T .* \(.*\)$/extern int \1();/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ +$lt_c_name_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" + +# Transform an extracted symbol line into symbol name with lib prefix and +# symbol address. +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ +$lt_c_name_lib_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function, + # D for any global variable and I for any imported variable. + # Also find C++ and __fastcall symbols from MSVC++, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK '"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ +" /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ +" /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ +" {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ +" s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Now try to grab the symbols. + nlist=conftest.nm + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 + (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv -f conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS=conftstm.$ac_objext + CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest$ac_exeext; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&5 + fi + else + echo "cannot find nm_test_var in $nlist" >&5 + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 + fi + else + echo "$progname: failed program was:" >&5 + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test yes = "$pipe_works"; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done + +fi + +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 +$as_echo "ok" >&6; } +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 +$as_echo_n "checking for sysroot... " >&6; } + +# Check whether --with-sysroot was given. +if test "${with_sysroot+set}" = set; then : + withval=$with_sysroot; +else + with_sysroot=no +fi + + +lt_sysroot= +case $with_sysroot in #( + yes) + if test yes = "$GCC"; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 +$as_echo "$with_sysroot" >&6; } + as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 + ;; +esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 +$as_echo "${lt_sysroot:-no}" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 +$as_echo_n "checking for a working dd... " >&6; } +if ${ac_cv_path_lt_DD+:} false; then : + $as_echo_n "(cached) " >&6 +else + printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +: ${lt_DD:=$DD} +if test -z "$lt_DD"; then + ac_path_lt_DD_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in dd; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_lt_DD" || continue +if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: +fi + $ac_path_lt_DD_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_lt_DD"; then + : + fi +else + ac_cv_path_lt_DD=$lt_DD +fi + +rm -f conftest.i conftest2.i conftest.out +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 +$as_echo "$ac_cv_path_lt_DD" >&6; } + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 +$as_echo_n "checking how to truncate binary pipes... " >&6; } +if ${lt_cv_truncate_bin+:} false; then : + $as_echo_n "(cached) " >&6 +else + printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +lt_cv_truncate_bin= +if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" +fi +rm -f conftest.i conftest2.i conftest.out +test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 +$as_echo "$lt_cv_truncate_bin" >&6; } + + + + + + + +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in $*""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} + +# Check whether --enable-libtool-lock was given. +if test "${enable_libtool_lock+set}" = set; then : + enableval=$enable_libtool_lock; +fi + +test no = "$enable_libtool_lock" || enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out what ABI is being produced by ac_compile, and set mode + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE=32 + ;; + *ELF-64*) + HPUX_IA64_MODE=64 + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + if test yes = "$lt_cv_prog_gnu_ld"; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +mips64*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + emul=elf + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + emul="${emul}32" + ;; + *64-bit*) + emul="${emul}64" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *MSB*) + emul="${emul}btsmip" + ;; + *LSB*) + emul="${emul}ltsmip" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *N32*) + emul="${emul}n32" + ;; + esac + LD="${LD-ld} -m $emul" + fi + rm -rf conftest* + ;; + +x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. Note that the listed cases only cover the + # situations where additional linker options are needed (such as when + # doing 32-bit compilation for a host where ld defaults to 64-bit, or + # vice versa); the common cases where no linker options are needed do + # not appear in the list. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*linux*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*linux*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -belf" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 +$as_echo_n "checking whether the C compiler needs -belf... " >&6; } +if ${lt_cv_cc_needs_belf+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_cc_needs_belf=yes +else + lt_cv_cc_needs_belf=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 +$as_echo "$lt_cv_cc_needs_belf" >&6; } + if test yes != "$lt_cv_cc_needs_belf"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS=$SAVE_CFLAGS + fi + ;; +*-*solaris*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*|x86_64-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD=${LD-ld}_sol2 + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks=$enable_libtool_lock + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. +set dummy ${ac_tool_prefix}mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MANIFEST_TOOL"; then + ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL +if test -n "$MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 +$as_echo "$MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_MANIFEST_TOOL"; then + ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL + # Extract the first word of "mt", so it can be a program name with args. +set dummy mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_MANIFEST_TOOL"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL +if test -n "$ac_ct_MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 +$as_echo "$ac_ct_MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_MANIFEST_TOOL" = x; then + MANIFEST_TOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL + fi +else + MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" +fi + +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 +$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } +if ${lt_cv_path_mainfest_tool+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&5 + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 +$as_echo "$lt_cv_path_mainfest_tool" >&6; } +if test yes != "$lt_cv_path_mainfest_tool"; then + MANIFEST_TOOL=: +fi + + + + + + + case $host_os in + rhapsody* | darwin*) + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. +set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DSYMUTIL"; then + ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DSYMUTIL=$ac_cv_prog_DSYMUTIL +if test -n "$DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 +$as_echo "$DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DSYMUTIL"; then + ac_ct_DSYMUTIL=$DSYMUTIL + # Extract the first word of "dsymutil", so it can be a program name with args. +set dummy dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DSYMUTIL"; then + ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL +if test -n "$ac_ct_DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 +$as_echo "$ac_ct_DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DSYMUTIL" = x; then + DSYMUTIL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DSYMUTIL=$ac_ct_DSYMUTIL + fi +else + DSYMUTIL="$ac_cv_prog_DSYMUTIL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. +set dummy ${ac_tool_prefix}nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NMEDIT"; then + ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +NMEDIT=$ac_cv_prog_NMEDIT +if test -n "$NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 +$as_echo "$NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_NMEDIT"; then + ac_ct_NMEDIT=$NMEDIT + # Extract the first word of "nmedit", so it can be a program name with args. +set dummy nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_NMEDIT"; then + ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_NMEDIT="nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT +if test -n "$ac_ct_NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 +$as_echo "$ac_ct_NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_NMEDIT" = x; then + NMEDIT=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + NMEDIT=$ac_ct_NMEDIT + fi +else + NMEDIT="$ac_cv_prog_NMEDIT" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. +set dummy ${ac_tool_prefix}lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LIPO"; then + ac_cv_prog_LIPO="$LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LIPO="${ac_tool_prefix}lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LIPO=$ac_cv_prog_LIPO +if test -n "$LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 +$as_echo "$LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_LIPO"; then + ac_ct_LIPO=$LIPO + # Extract the first word of "lipo", so it can be a program name with args. +set dummy lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_LIPO"; then + ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_LIPO="lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO +if test -n "$ac_ct_LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 +$as_echo "$ac_ct_LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_LIPO" = x; then + LIPO=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + LIPO=$ac_ct_LIPO + fi +else + LIPO="$ac_cv_prog_LIPO" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL"; then + ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL="${ac_tool_prefix}otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL=$ac_cv_prog_OTOOL +if test -n "$OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 +$as_echo "$OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL"; then + ac_ct_OTOOL=$OTOOL + # Extract the first word of "otool", so it can be a program name with args. +set dummy otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL"; then + ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL="otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL +if test -n "$ac_ct_OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 +$as_echo "$ac_ct_OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL" = x; then + OTOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL=$ac_ct_OTOOL + fi +else + OTOOL="$ac_cv_prog_OTOOL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL64"; then + ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL64=$ac_cv_prog_OTOOL64 +if test -n "$OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 +$as_echo "$OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL64"; then + ac_ct_OTOOL64=$OTOOL64 + # Extract the first word of "otool64", so it can be a program name with args. +set dummy otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL64"; then + ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL64="otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 +if test -n "$ac_ct_OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 +$as_echo "$ac_ct_OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL64" = x; then + OTOOL64=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL64=$ac_ct_OTOOL64 + fi +else + OTOOL64="$ac_cv_prog_OTOOL64" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 +$as_echo_n "checking for -single_module linker flag... " >&6; } +if ${lt_cv_apple_cc_single_mod+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_apple_cc_single_mod=no + if test -z "$LT_MULTI_MODULE"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&5 + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test 0 = "$_lt_result"; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&5 + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 +$as_echo "$lt_cv_apple_cc_single_mod" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 +$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } +if ${lt_cv_ld_exported_symbols_list+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_ld_exported_symbols_list=yes +else + lt_cv_ld_exported_symbols_list=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 +$as_echo "$lt_cv_ld_exported_symbols_list" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 +$as_echo_n "checking for -force_load linker flag... " >&6; } +if ${lt_cv_ld_force_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 + echo "$AR cru libconftest.a conftest.o" >&5 + $AR cru libconftest.a conftest.o 2>&5 + echo "$RANLIB libconftest.a" >&5 + $RANLIB libconftest.a 2>&5 + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&5 + elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&5 + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 +$as_echo "$lt_cv_ld_force_load" >&6; } + case $host_os in + rhapsody* | darwin1.[012]) + _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[91]*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + 10.[012][,.]*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test yes = "$lt_cv_apple_cc_single_mod"; then + _lt_dar_single_mod='$single_module' + fi + if test yes = "$lt_cv_ld_exported_symbols_list"; then + _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' + fi + if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac + +# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x$2 in + x) + ;; + *:) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" + ;; + x:*) + eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" + ;; + *) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" + ;; + esac +} + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 +$as_echo_n "checking how to run the C preprocessor... " >&6; } +# On Suns, sometimes $CPP names a directory. +if test -n "$CPP" && test -d "$CPP"; then + CPP= +fi +if test -z "$CPP"; then + if ${ac_cv_prog_CPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CPP needs to be expanded + for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" + do + ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CPP=$CPP + +fi + CPP=$ac_cv_prog_CPP +else + ac_cv_prog_CPP=$CPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 +$as_echo "$CPP" >&6; } +ac_preproc_ok=false +for ac_c_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C preprocessor \"$CPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <float.h> + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <string.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdlib.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ctype.h> +#include <stdlib.h> +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in dlfcn.h +do : + ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default +" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DLFCN_H 1 +_ACEOF + +fi + +done + + + +func_stripname_cnf () +{ + case $2 in + .*) func_stripname_result=`$ECHO "$3" | $SED "s%^$1%%; s%\\\\$2\$%%"`;; + *) func_stripname_result=`$ECHO "$3" | $SED "s%^$1%%; s%$2\$%%"`;; + esac +} # func_stripname_cnf + + + + + +# Set options + + + + enable_dlopen=no + + + enable_win32_dll=no + + + # Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_shared=yes +fi + + + + + + + + + + # Check whether --enable-static was given. +if test "${enable_static+set}" = set; then : + enableval=$enable_static; p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_static=yes +fi + + + + + + + + + + +# Check whether --with-pic was given. +if test "${with_pic+set}" = set; then : + withval=$with_pic; lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for lt_pkg in $withval; do + IFS=$lt_save_ifs + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + pic_mode=default +fi + + + + + + + + + # Check whether --enable-fast-install was given. +if test "${enable_fast_install+set}" = set; then : + enableval=$enable_fast_install; p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_fast_install=yes +fi + + + + + + + + + shared_archive_member_spec= +case $host,$enable_shared in +power*-*-aix[5-9]*,yes) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5 +$as_echo_n "checking which variant of shared library versioning to provide... " >&6; } + +# Check whether --with-aix-soname was given. +if test "${with_aix_soname+set}" = set; then : + withval=$with_aix_soname; case $withval in + aix|svr4|both) + ;; + *) + as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5 + ;; + esac + lt_cv_with_aix_soname=$with_aix_soname +else + if ${lt_cv_with_aix_soname+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_with_aix_soname=aix +fi + + with_aix_soname=$lt_cv_with_aix_soname +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5 +$as_echo "$with_aix_soname" >&6; } + if test aix != "$with_aix_soname"; then + # For the AIX way of multilib, we name the shared archive member + # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', + # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. + # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, + # the AIX toolchain works better with OBJECT_MODE set (default 32). + if test 64 = "${OBJECT_MODE-32}"; then + shared_archive_member_spec=shr_64 + else + shared_archive_member_spec=shr + fi + fi + ;; +*) + with_aix_soname=aix + ;; +esac + + + + + + + + + + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS=$ltmain + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +test -z "$LN_S" && LN_S="ln -s" + + + + + + + + + + + + + + +if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 +$as_echo_n "checking for objdir... " >&6; } +if ${lt_cv_objdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 +$as_echo "$lt_cv_objdir" >&6; } +objdir=$lt_cv_objdir + + + + + +cat >>confdefs.h <<_ACEOF +#define LT_OBJDIR "$lt_cv_objdir/" +_ACEOF + + + + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a '.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a + +with_gnu_ld=$lt_cv_prog_gnu_ld + +old_CC=$CC +old_CFLAGS=$CFLAGS + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +func_cc_basename $compiler +cc_basename=$func_cc_basename_result + + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 +$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/${ac_tool_prefix}file"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac +fi + +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + + +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 +$as_echo_n "checking for file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/file"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac +fi + +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + else + MAGIC_CMD=: + fi +fi + + fi + ;; +esac + +# Use C for the default configuration in the libtool script + +lt_save_CC=$CC +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +objext=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + +lt_prog_compiler_no_builtin_flag= + +if test yes = "$GCC"; then + case $cc_basename in + nvcc*) + lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; + *) + lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_rtti_exceptions=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="-fno-rtti -fno-exceptions" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_rtti_exceptions=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } + +if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then + lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" +else + : +fi + +fi + + + + + + + lt_prog_compiler_wl= +lt_prog_compiler_pic= +lt_prog_compiler_static= + + + if test yes = "$GCC"; then + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_static='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + fi + lt_prog_compiler_pic='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static='$wl-static' + ;; + esac + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + ;; + + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + lt_prog_compiler_can_build_shared=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic=-Kconform_pic + fi + ;; + + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + lt_prog_compiler_wl='-Xlinker ' + if test -n "$lt_prog_compiler_pic"; then + lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + lt_prog_compiler_wl='-Wl,' + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + else + lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + case $cc_basename in + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static='$wl-static' + ;; + esac + ;; + + hpux9* | hpux10* | hpux11*) + lt_prog_compiler_wl='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + lt_prog_compiler_static='$wl-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + lt_prog_compiler_wl='-Wl,' + # PIC (with -KPIC) is the default. + lt_prog_compiler_static='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64, which still supported -KPIC. + ecc*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='--shared' + lt_prog_compiler_static='--static' + ;; + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + ccc*) + lt_prog_compiler_wl='-Wl,' + # All Alpha code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-qpic' + lt_prog_compiler_static='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='' + ;; + *Sun\ F* | *Sun*Fortran*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Wl,' + ;; + *Intel*\ [CF]*Compiler*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + *Portland\ Group*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + lt_prog_compiler_wl='-Wl,' + # All OSF/1 code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + + rdos*) + lt_prog_compiler_static='-non_shared' + ;; + + solaris*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + lt_prog_compiler_wl='-Qoption ld ';; + *) + lt_prog_compiler_wl='-Wl,';; + esac + ;; + + sunos4*) + lt_prog_compiler_wl='-Qoption ld ' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic='-Kconform_pic' + lt_prog_compiler_static='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + unicos*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_can_build_shared=no + ;; + + uts4*) + lt_prog_compiler_pic='-pic' + lt_prog_compiler_static='-Bstatic' + ;; + + *) + lt_prog_compiler_can_build_shared=no + ;; + esac + fi + +case $host_os in + # For platforms that do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic= + ;; + *) + lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic=$lt_prog_compiler_pic +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 +$as_echo "$lt_cv_prog_compiler_pic" >&6; } +lt_prog_compiler_pic=$lt_cv_prog_compiler_pic + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } +if ${lt_cv_prog_compiler_pic_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works" >&6; } + +if test yes = "$lt_cv_prog_compiler_pic_works"; then + case $lt_prog_compiler_pic in + "" | " "*) ;; + *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; + esac +else + lt_prog_compiler_pic= + lt_prog_compiler_can_build_shared=no +fi + +fi + + + + + + + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_static_works=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS $lt_tmp_static_flag" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_static_works=yes + fi + else + lt_cv_prog_compiler_static_works=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 +$as_echo "$lt_cv_prog_compiler_static_works" >&6; } + +if test yes = "$lt_cv_prog_compiler_static_works"; then + : +else + lt_prog_compiler_static= +fi + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + +hard_links=nottested +if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then + # do not overwrite the value of need_locks provided by the user + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } + if test no = "$hard_links"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;} + need_locks=warn + fi +else + need_locks=no +fi + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + + runpath_var= + allow_undefined_flag= + always_export_symbols=no + archive_cmds= + archive_expsym_cmds= + compiler_needs_object=no + enable_shared_with_static_runtimes=no + export_dynamic_flag_spec= + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + hardcode_automatic=no + hardcode_direct=no + hardcode_direct_absolute=no + hardcode_libdir_flag_spec= + hardcode_libdir_separator= + hardcode_minus_L=no + hardcode_shlibpath_var=unsupported + inherit_rpath=no + link_all_deplibs=unknown + module_cmds= + module_expsym_cmds= + old_archive_from_new_cmds= + old_archive_from_expsyms_cmds= + thread_safe_flag_spec= + whole_archive_flag_spec= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + include_expsyms= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ' (' and ')$', so one must not match beginning or + # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', + # as well as any symbol that contains 'd'. + exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test yes != "$GCC"; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd* | bitrig*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu | gnu*) + link_all_deplibs=no + ;; + esac + + ld_shlibs=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test yes = "$with_gnu_ld"; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; + *\ \(GNU\ Binutils\)\ [3-9]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test yes = "$lt_use_gnu_ld_interface"; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='$wl' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + export_dynamic_flag_spec='$wl--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + whole_archive_flag_spec= + fi + supports_anon_versioning=no + case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test ia64 != "$host_cpu"; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag=unsupported + # Joseph Beckenbach <jrb3@best.com> says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + ld_shlibs=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + export_dynamic_flag_spec='$wl--export-all-symbols' + allow_undefined_flag=unsupported + always_export_symbols=no + enable_shared_with_static_runtimes=yes + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs=no + fi + ;; + + haiku*) + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + link_all_deplibs=yes + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + shrext_cmds=.dll + archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + enable_shared_with_static_runtimes=yes + ;; + + interix[3-9]*) + hardcode_direct=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + export_dynamic_flag_spec='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test linux-dietlibc = "$host_os"; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test no = "$tmp_diet" + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + whole_archive_flag_spec= + tmp_sharedflag='--shared' ;; + nagfor*) # NAGFOR 5.3 + tmp_sharedflag='-Wl,-shared' ;; + xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + whole_archive_flag_spec='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + tcc*) + export_dynamic_flag_spec='-rdynamic' + ;; + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + ld_shlibs=no + fi + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + ;; + + sunos4*) + archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + + if test no = "$ld_shlibs"; then + runpath_var= + hardcode_libdir_flag_spec= + export_dynamic_flag_spec= + whole_archive_flag_spec= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + allow_undefined_flag=unsupported + always_export_symbols=yes + archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + + aix[4-9]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then + aix_use_runtimelinking=yes + break + fi + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds='' + hardcode_direct=yes + hardcode_direct_absolute=yes + hardcode_libdir_separator=':' + link_all_deplibs=yes + file_list_spec='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # traditional, no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + hardcode_direct=no + hardcode_direct_absolute=no + ;; + esac + + if test yes = "$GCC"; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag="$shared_flag "'$wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + export_dynamic_flag_spec='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + always_export_symbols=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" + archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib' + allow_undefined_flag="-z nodefs" + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag=' $wl-bernotok' + allow_undefined_flag=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec='$convenience' + fi + archive_cmds_need_lc=yes + archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared libraries. + archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + bsdi[45]*) + export_dynamic_flag_spec=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl*) + # Native MSVC + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + always_export_symbols=yes + file_list_spec='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, )='true' + enable_shared_with_static_runtimes=yes + exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + old_postinstall_cmds='chmod 644 $oldlib' + postlink_cmds='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC wrapper + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + old_archive_from_new_cmds='true' + # FIXME: Should let the user specify the lib program. + old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' + enable_shared_with_static_runtimes=yes + ;; + esac + ;; + + darwin* | rhapsody*) + + + archive_cmds_need_lc=no + hardcode_direct=no + hardcode_automatic=yes + hardcode_shlibpath_var=unsupported + if test yes = "$lt_cv_ld_force_load"; then + whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec='' + fi + link_all_deplibs=yes + allow_undefined_flag=$_lt_dar_allow_undefined + case $cc_basename in + ifort*|nagfor*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test yes = "$_lt_dar_can_shared"; then + output_verbose_link_cmd=func_echo_all + archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" + module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" + archive_expsym_cmds="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" + module_expsym_cmds="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" + + else + ld_shlibs=no + fi + + ;; + + dgux*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + hpux9*) + if test yes = "$GCC"; then + archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv -f $output_objdir/$soname $lib' + else + archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv -f $output_objdir/$soname $lib' + fi + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + export_dynamic_flag_spec='$wl-E' + ;; + + hpux10*) + if test yes,no = "$GCC,$with_gnu_ld"; then + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='$wl-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + + hpux11*) + if test yes,no = "$GCC,$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 +$as_echo_n "checking if $CC understands -b... " >&6; } +if ${lt_cv_prog_compiler__b+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler__b=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -b" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler__b=yes + fi + else + lt_cv_prog_compiler__b=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 +$as_echo "$lt_cv_prog_compiler__b" >&6; } + +if test yes = "$lt_cv_prog_compiler__b"; then + archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' +else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' +fi + + ;; + esac + fi + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + hardcode_shlibpath_var=no + ;; + *) + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='$wl-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test yes = "$GCC"; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 +$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } +if ${lt_cv_irix_exported_symbol+:} false; then : + $as_echo_n "(cached) " >&6 +else + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo (void) { return 0; } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_irix_exported_symbol=yes +else + lt_cv_irix_exported_symbol=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 +$as_echo "$lt_cv_irix_exported_symbol" >&6; } + if test yes = "$lt_cv_irix_exported_symbol"; then + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' + fi + link_all_deplibs=no + else + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + inherit_rpath=yes + link_all_deplibs=yes + ;; + + linux*) + case $cc_basename in + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + ld_shlibs=yes + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + netbsd* | netbsdelf*-gnu) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + newsos6) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + hardcode_shlibpath_var=no + ;; + + *nto* | *qnx*) + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + hardcode_shlibpath_var=no + hardcode_direct_absolute=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + export_dynamic_flag_spec='$wl-E' + else + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + fi + else + ld_shlibs=no + fi + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + shrext_cmds=.dll + archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + enable_shared_with_static_runtimes=yes + ;; + + osf3*) + if test yes = "$GCC"; then + allow_undefined_flag=' $wl-expect_unresolved $wl\*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test yes = "$GCC"; then + allow_undefined_flag=' $wl-expect_unresolved $wl\*' + archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + archive_cmds_need_lc='no' + hardcode_libdir_separator=: + ;; + + solaris*) + no_undefined_flag=' -z defs' + if test yes = "$GCC"; then + wlarc='$wl' + archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='$wl' + archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_shlibpath_var=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. GCC discards it without '$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test yes = "$GCC"; then + whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + else + whole_archive_flag_spec='-z allextract$convenience -z defaultextract' + fi + ;; + esac + link_all_deplibs=yes + ;; + + sunos4*) + if test sequent = "$host_vendor"; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + sysv4) + case $host_vendor in + sni) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' + reload_cmds='$CC -r -o $output$reload_objs' + hardcode_direct=no + ;; + motorola) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + hardcode_shlibpath_var=no + ;; + + sysv4.3*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + export_dynamic_flag_spec='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + ld_shlibs=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag='$wl-z,text' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag='$wl-z,text' + allow_undefined_flag='$wl-z,nodefs' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='$wl-R,$libdir' + hardcode_libdir_separator=':' + link_all_deplibs=yes + export_dynamic_flag_spec='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + *) + ld_shlibs=no + ;; + esac + + if test sni = "$host_vendor"; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + export_dynamic_flag_spec='$wl-Blargedynsym' + ;; + esac + fi + fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 +$as_echo "$ld_shlibs" >&6; } +test no = "$ld_shlibs" && can_build_shared=no + +with_gnu_ld=$with_gnu_ld + + + + + + + + + + + + + + + +# +# Do we need to explicitly link libc? +# +case "x$archive_cmds_need_lc" in +x|xyes) + # Assume -lc should be added + archive_cmds_need_lc=yes + + if test yes,yes = "$GCC,$enable_shared"; then + case $archive_cmds in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } +if ${lt_cv_archive_cmds_need_lc+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl + pic_flag=$lt_prog_compiler_pic + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag + allow_undefined_flag= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc=no + else + lt_cv_archive_cmds_need_lc=yes + fi + allow_undefined_flag=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc" >&6; } + archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +if test yes = "$GCC"; then + case $host_os in + darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; + *) lt_awk_arg='/^libraries:/' ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;; + *) lt_sed_strip_eq='s|=/|/|g' ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary... + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + # ...but if some path component already ends with the multilib dir we assume + # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). + case "$lt_multi_os_dir; $lt_search_path_spec " in + "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) + lt_multi_os_dir= + ;; + esac + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" + elif test -n "$lt_multi_os_dir"; then + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS = " "; FS = "/|\n";} { + lt_foo = ""; + lt_count = 0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo = "/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[lt_foo]++; } + if (lt_freq[lt_foo] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's|/\([A-Za-z]:\)|\1|g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" +fi +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=.so +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + + + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='$libname$release$shared_ext$major' + ;; + +aix[4-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test ia64 = "$host_cpu"; then + # AIX 5 supports IA64 + library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line '#! .'. This would cause the generated library to + # depend on '.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # Using Import Files as archive members, it is possible to support + # filename-based versioning of shared library archives on AIX. While + # this would work for both with and without runtime linking, it will + # prevent static linking of such archives. So we do filename-based + # shared library versioning with .so extension only, which is used + # when both runtime linking and shared linking is enabled. + # Unfortunately, runtime linking may impact performance, so we do + # not want this to be the default eventually. Also, we use the + # versioned .so libs for executables only if there is the -brtl + # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. + # To allow for filename-based versioning support, we need to create + # libNAME.so.V as an archive file, containing: + # *) an Import File, referring to the versioned filename of the + # archive as well as the shared archive member, telling the + # bitwidth (32 or 64) of that shared object, and providing the + # list of exported symbols of that shared object, eventually + # decorated with the 'weak' keyword + # *) the shared object with the F_LOADONLY flag set, to really avoid + # it being seen by the linker. + # At run time we better use the real file rather than another symlink, + # but for link time we create the symlink libNAME.so -> libNAME.so.V + + case $with_aix_soname,$aix_use_runtimelinking in + # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + aix,yes) # traditional libtool + dynamic_linker='AIX unversionable lib.so' + # If using run time linking (on AIX 4.2 or later) use lib<name>.so + # instead of lib<name>.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + aix,no) # traditional AIX only + dynamic_linker='AIX lib.a(lib.so.V)' + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + ;; + svr4,*) # full svr4 only + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,yes) # both, prefer svr4 + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # unpreferred sharedlib libNAME.a needs extra handling + postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' + postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,no) # both, prefer aix + dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling + postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' + postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' + ;; + esac + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='$libname$shared_ext' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[45]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + library_names_spec='$libname.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec=$LIB + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' + soname_spec='$libname$release$major$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib" + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=no + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + if test 32 = "$HPUX_IA64_MODE"; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + sys_lib_dlsearch_path_spec=/usr/lib/hpux32 + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + sys_lib_dlsearch_path_spec=/usr/lib/hpux64 + fi + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test yes = "$lt_cv_prog_gnu_ld"; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" + sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +linux*android*) + version_type=none # Android doesn't support versioned libraries. + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext' + soname_spec='$libname$release$shared_ext' + finish_cmds= + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + dynamic_linker='Android linker' + # Don't embed -rpath directories since the linker doesn't support them. + hardcode_libdir_flag_spec='-L$libdir' + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Ideally, we could use ldconfig to report *all* directores which are + # searched for libraries, however this is still not possible. Aside from not + # being certain /sbin/ldconfig is available, command + # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, + # even though it is searched at run-time. Try to do the best guess by + # appending ld.so.conf contents (and includes) to the search path. + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd* | bitrig*) + version_type=sunos + sys_lib_dlsearch_path_spec=/usr/lib + need_lib_prefix=no + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + need_version=no + else + need_version=yes + fi + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +os2*) + libname_spec='$name' + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + # OS/2 can only load a DLL with a base name of 8 characters or less. + soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; + v=$($ECHO $release$versuffix | tr -d .-); + n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); + $ECHO $n$v`$shared_ext' + library_names_spec='${libname}_dll.$libext' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=BEGINLIBPATH + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test yes = "$with_gnu_ld"; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec; then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' + soname_spec='$libname$shared_ext.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=sco + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test yes = "$with_gnu_ld"; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test no = "$dynamic_linker" && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test yes = "$GCC"; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then + sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec +fi + +if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then + sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec +fi + +# remember unaugmented sys_lib_dlsearch_path content for libtool script decls... +configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec + +# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code +func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" + +# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool +configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action= +if test -n "$hardcode_libdir_flag_spec" || + test -n "$runpath_var" || + test yes = "$hardcode_automatic"; then + + # We can hardcode non-existent directories. + if test no != "$hardcode_direct" && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" && + test no != "$hardcode_minus_L"; then + # Linking always hardcodes the temporary library directory. + hardcode_action=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 +$as_echo "$hardcode_action" >&6; } + +if test relink = "$hardcode_action" || + test yes = "$inherit_rpath"; then + # Fast installation is not supported + enable_fast_install=no +elif test yes = "$shlibpath_overrides_runpath" || + test no = "$enable_shared"; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + if test yes != "$enable_dlopen"; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen=load_add_on + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen=LoadLibrary + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl +else + + lt_cv_dlopen=dyld + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + +fi + + ;; + + tpf*) + # Don't try to run any link tests for TPF. We know it's impossible + # because TPF is a cross-compiler, and we know how we open DSOs. + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + lt_cv_dlopen_self=no + ;; + + *) + ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" +if test "x$ac_cv_func_shl_load" = xyes; then : + lt_cv_dlopen=shl_load +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char shl_load (); +int +main () +{ +return shl_load (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_shl_load=yes +else + ac_cv_lib_dld_shl_load=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : + lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld +else + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : + lt_cv_dlopen=dlopen +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 +$as_echo_n "checking for dlopen in -lsvld... " >&6; } +if ${ac_cv_lib_svld_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsvld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_svld_dlopen=yes +else + ac_cv_lib_svld_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 +$as_echo "$ac_cv_lib_svld_dlopen" >&6; } +if test "x$ac_cv_lib_svld_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 +$as_echo_n "checking for dld_link in -ldld... " >&6; } +if ${ac_cv_lib_dld_dld_link+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dld_link (); +int +main () +{ +return dld_link (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_dld_link=yes +else + ac_cv_lib_dld_dld_link=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 +$as_echo "$ac_cv_lib_dld_dld_link" >&6; } +if test "x$ac_cv_lib_dld_dld_link" = xyes; then : + lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld +fi + + +fi + + +fi + + +fi + + +fi + + +fi + + ;; + esac + + if test no = "$lt_cv_dlopen"; then + enable_dlopen=no + else + enable_dlopen=yes + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS=$CPPFLAGS + test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS=$LDFLAGS + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS=$LIBS + LIBS="$lt_cv_dlopen_libs $LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 +$as_echo_n "checking whether a program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test yes = "$cross_compiling"; then : + lt_cv_dlopen_self=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include <dlfcn.h> +#endif + +#include <stdio.h> + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 +$as_echo "$lt_cv_dlopen_self" >&6; } + + if test yes = "$lt_cv_dlopen_self"; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 +$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self_static+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test yes = "$cross_compiling"; then : + lt_cv_dlopen_self_static=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include <dlfcn.h> +#endif + +#include <stdio.h> + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self_static=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 +$as_echo "$lt_cv_dlopen_self_static" >&6; } + fi + + CPPFLAGS=$save_CPPFLAGS + LDFLAGS=$save_LDFLAGS + LIBS=$save_LIBS + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi + + + + + + + + + + + + + + + + + +striplib= +old_striplib= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 +$as_echo_n "checking whether stripping libraries is possible... " >&6; } +if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + test -z "$old_striplib" && old_striplib="$STRIP --strip-debug" + test -z "$striplib" && striplib="$STRIP --strip-unneeded" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else +# FIXME - insert some real tests, host_os isn't really good enough + case $host_os in + darwin*) + if test -n "$STRIP"; then + striplib="$STRIP -x" + old_striplib="$STRIP -S" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + ;; + esac +fi + + + + + + + + + + + + + # Report what library types will actually be built + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[4-9]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } + + + + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +CC=$lt_save_CC + + if test -n "$CXX" && ( test no != "$CXX" && + ( (test g++ = "$CXX" && `g++ -v >/dev/null 2>&1` ) || + (test g++ != "$CXX"))); then + ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5 +$as_echo_n "checking how to run the C++ preprocessor... " >&6; } +if test -z "$CXXCPP"; then + if ${ac_cv_prog_CXXCPP+:} false; then : + $as_echo_n "(cached) " >&6 +else + # Double quotes because CXXCPP needs to be expanded + for CXXCPP in "$CXX -E" "/lib/cpp" + do + ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + break +fi + + done + ac_cv_prog_CXXCPP=$CXXCPP + +fi + CXXCPP=$ac_cv_prog_CXXCPP +else + ac_cv_prog_CXXCPP=$CXXCPP +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CXXCPP" >&5 +$as_echo "$CXXCPP" >&6; } +ac_preproc_ok=false +for ac_cxx_preproc_warn_flag in '' yes +do + # Use a header file that comes with gcc, so configuring glibc + # with a fresh cross-compiler works. + # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since + # <limits.h> exists even on freestanding compilers. + # On the NeXT, cc -E runs the code through the compiler's parser, + # not just through cpp. "Syntax error" is here to catch this case. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __STDC__ +# include <limits.h> +#else +# include <assert.h> +#endif + Syntax error +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + +else + # Broken: fails on valid input. +continue +fi +rm -f conftest.err conftest.i conftest.$ac_ext + + # OK, works on sane cases. Now check whether nonexistent headers + # can be detected and how. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ac_nonexistent.h> +_ACEOF +if ac_fn_cxx_try_cpp "$LINENO"; then : + # Broken: success on invalid input. +continue +else + # Passes both tests. +ac_preproc_ok=: +break +fi +rm -f conftest.err conftest.i conftest.$ac_ext + +done +# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. +rm -f conftest.i conftest.err conftest.$ac_ext +if $ac_preproc_ok; then : + +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "C++ preprocessor \"$CXXCPP\" fails sanity check +See \`config.log' for more details" "$LINENO" 5; } +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +else + _lt_caught_CXX_error=yes +fi + +ac_ext=cpp +ac_cpp='$CXXCPP $CPPFLAGS' +ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_cxx_compiler_gnu + +archive_cmds_need_lc_CXX=no +allow_undefined_flag_CXX= +always_export_symbols_CXX=no +archive_expsym_cmds_CXX= +compiler_needs_object_CXX=no +export_dynamic_flag_spec_CXX= +hardcode_direct_CXX=no +hardcode_direct_absolute_CXX=no +hardcode_libdir_flag_spec_CXX= +hardcode_libdir_separator_CXX= +hardcode_minus_L_CXX=no +hardcode_shlibpath_var_CXX=unsupported +hardcode_automatic_CXX=no +inherit_rpath_CXX=no +module_cmds_CXX= +module_expsym_cmds_CXX= +link_all_deplibs_CXX=unknown +old_archive_cmds_CXX=$old_archive_cmds +reload_flag_CXX=$reload_flag +reload_cmds_CXX=$reload_cmds +no_undefined_flag_CXX= +whole_archive_flag_spec_CXX= +enable_shared_with_static_runtimes_CXX=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +objext_CXX=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_caught_CXX_error"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + + # save warnings/boilerplate of simple test code + ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + + ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + compiler_CXX=$CC + func_cc_basename $compiler +cc_basename=$func_cc_basename_result + + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test yes = "$GXX"; then + lt_prog_compiler_no_builtin_flag_CXX=' -fno-builtin' + else + lt_prog_compiler_no_builtin_flag_CXX= + fi + + if test yes = "$GXX"; then + # Set up default GNU C++ configuration + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test yes = "$GCC"; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return, which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD=$ac_prog + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test yes = "$with_gnu_ld"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD=$ac_dir/$ac_prog + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 </dev/null` in + *GNU* | *'with BFD'*) + test no != "$with_gnu_ld" && break + ;; + *) + test yes != "$with_gnu_ld" && break + ;; + esac + fi + done + IFS=$lt_save_ifs +else + lt_cv_path_LD=$LD # Let the user override the test with a path. +fi +fi + +LD=$lt_cv_path_LD +if test -n "$LD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 </dev/null` in +*GNU* | *'with BFD'*) + lt_cv_prog_gnu_ld=yes + ;; +*) + lt_cv_prog_gnu_ld=no + ;; +esac +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test yes = "$with_gnu_ld"; then + archive_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + + hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir' + export_dynamic_flag_spec_CXX='$wl--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='$wl' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec_CXX=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + whole_archive_flag_spec_CXX= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + ld_shlibs_CXX=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aix[4-9]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds_CXX='' + hardcode_direct_CXX=yes + hardcode_direct_absolute_CXX=yes + hardcode_libdir_separator_CXX=':' + link_all_deplibs_CXX=yes + file_list_spec_CXX='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + hardcode_direct_CXX=no + hardcode_direct_absolute_CXX=no + ;; + esac + + if test yes = "$GXX"; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct_CXX=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L_CXX=yes + hardcode_libdir_flag_spec_CXX='-L$libdir' + hardcode_libdir_separator_CXX= + fi + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag=$shared_flag' $wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + export_dynamic_flag_spec_CXX='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + always_export_symbols_CXX=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + # The "-G" linker flag allows undefined symbols. + no_undefined_flag_CXX='-bernotok' + # Determine the default libpath from the value encoded in an empty + # executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath__CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath__CXX +fi + + hardcode_libdir_flag_spec_CXX='$wl-blibpath:$libdir:'"$aix_libpath" + + archive_expsym_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + hardcode_libdir_flag_spec_CXX='$wl-R $libdir:/usr/lib:/lib' + allow_undefined_flag_CXX="-z nodefs" + archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath__CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath__CXX=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath__CXX"; then + lt_cv_aix_libpath__CXX=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath__CXX +fi + + hardcode_libdir_flag_spec_CXX='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag_CXX=' $wl-bernotok' + allow_undefined_flag_CXX=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec_CXX='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec_CXX='$convenience' + fi + archive_cmds_need_lc_CXX=yes + archive_expsym_cmds_CXX='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared + # libraries. Need -bnortl late, we may have -brtl in LDFLAGS. + archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag_CXX=unsupported + # Joseph Beckenbach <jrb3@best.com> says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds_CXX='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + ld_shlibs_CXX=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl*) + # Native MSVC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec_CXX=' ' + allow_undefined_flag_CXX=unsupported + always_export_symbols_CXX=yes + file_list_spec_CXX='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds_CXX='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + archive_expsym_cmds_CXX='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, CXX)='true' + enable_shared_with_static_runtimes_CXX=yes + # Don't use ranlib + old_postinstall_cmds_CXX='chmod 644 $oldlib' + postlink_cmds_CXX='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, CXX) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec_CXX='-L$libdir' + export_dynamic_flag_spec_CXX='$wl--export-all-symbols' + allow_undefined_flag_CXX=unsupported + always_export_symbols_CXX=no + enable_shared_with_static_runtimes_CXX=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds_CXX='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + archive_expsym_cmds_CXX='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs_CXX=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + + + archive_cmds_need_lc_CXX=no + hardcode_direct_CXX=no + hardcode_automatic_CXX=yes + hardcode_shlibpath_var_CXX=unsupported + if test yes = "$lt_cv_ld_force_load"; then + whole_archive_flag_spec_CXX='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec_CXX='' + fi + link_all_deplibs_CXX=yes + allow_undefined_flag_CXX=$_lt_dar_allow_undefined + case $cc_basename in + ifort*|nagfor*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test yes = "$_lt_dar_can_shared"; then + output_verbose_link_cmd=func_echo_all + archive_cmds_CXX="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" + module_cmds_CXX="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" + archive_expsym_cmds_CXX="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" + module_expsym_cmds_CXX="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" + if test yes != "$lt_cv_apple_cc_single_mod"; 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+ + haiku*) + archive_cmds_CXX='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + link_all_deplibs_CXX=yes + ;; + + hpux9*) + hardcode_libdir_flag_spec_CXX='$wl+b $wl$libdir' + hardcode_libdir_separator_CXX=: + export_dynamic_flag_spec_CXX='$wl-E' + hardcode_direct_CXX=yes + hardcode_minus_L_CXX=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aCC*) + archive_cmds_CXX='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv -f $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes = "$GXX"; then + archive_cmds_CXX='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv -f $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec_CXX='$wl+b $wl$libdir' + hardcode_libdir_separator_CXX=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + export_dynamic_flag_spec_CXX='$wl-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct_CXX=no + hardcode_shlibpath_var_CXX=no + ;; + *) + hardcode_direct_CXX=yes + hardcode_direct_absolute_CXX=yes + hardcode_minus_L_CXX=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + archive_cmds_CXX='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + archive_cmds_CXX='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes = "$GXX"; then + if test no = "$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + archive_cmds_CXX='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + archive_cmds_CXX='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + interix[3-9]*) + hardcode_direct_CXX=no + hardcode_shlibpath_var_CXX=no + hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir' + export_dynamic_flag_spec_CXX='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds_CXX='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds_CXX='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + archive_cmds_CXX='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. 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(KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv -f \$templib $lib' + archive_expsym_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv -f \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir' + export_dynamic_flag_spec_CXX='$wl--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; 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+ *) # Version 6 and above use weak symbols + archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + + hardcode_libdir_flag_spec_CXX='$wl--rpath $wl$libdir' + export_dynamic_flag_spec_CXX='$wl--export-dynamic' + whole_archive_flag_spec_CXX='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + ;; + cxx*) + # Compaq C++ + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib $wl-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec_CXX='-rpath $libdir' + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir' + export_dynamic_flag_spec_CXX='$wl--export-dynamic' + archive_cmds_CXX='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds_CXX='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + no_undefined_flag_CXX=' -zdefs' + archive_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + archive_expsym_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols' + hardcode_libdir_flag_spec_CXX='-R$libdir' + whole_archive_flag_spec_CXX='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object_CXX=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds_CXX='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + hardcode_libdir_flag_spec_CXX='-R$libdir' + hardcode_direct_CXX=yes + hardcode_shlibpath_var_CXX=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + ld_shlibs_CXX=yes + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + hardcode_direct_CXX=yes + hardcode_shlibpath_var_CXX=no + hardcode_direct_absolute_CXX=yes + archive_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then + archive_expsym_cmds_CXX='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib' + export_dynamic_flag_spec_CXX='$wl-E' + whole_archive_flag_spec_CXX=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + ld_shlibs_CXX=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + archive_cmds_CXX='tempext=`echo $shared_ext | $SED -e '\''s/\([^()0-9A-Za-z{}]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv -f \$templib $lib' + + hardcode_libdir_flag_spec_CXX='$wl-rpath,$libdir' + hardcode_libdir_separator_CXX=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) old_archive_cmds_CXX='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) old_archive_cmds_CXX='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + cxx*) + case $host in + osf3*) + allow_undefined_flag_CXX=' $wl-expect_unresolved $wl\*' + archive_cmds_CXX='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir' + ;; + *) + allow_undefined_flag_CXX=' -expect_unresolved \*' + archive_cmds_CXX='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds_CXX='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~ + $RM $lib.exp' + hardcode_libdir_flag_spec_CXX='-rpath $libdir' + ;; + esac + + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes,no = "$GXX,$with_gnu_ld"; then + allow_undefined_flag_CXX=' $wl-expect_unresolved $wl\*' + case $host in + osf3*) + archive_cmds_CXX='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + ;; + *) + archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + ;; + esac + + hardcode_libdir_flag_spec_CXX='$wl-rpath $wl$libdir' + hardcode_libdir_separator_CXX=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + archive_cmds_need_lc_CXX=yes + no_undefined_flag_CXX=' -zdefs' + archive_cmds_CXX='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + hardcode_libdir_flag_spec_CXX='-R$libdir' + hardcode_shlibpath_var_CXX=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + whole_archive_flag_spec_CXX='-z allextract$convenience -z defaultextract' + ;; + esac + link_all_deplibs_CXX=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + old_archive_cmds_CXX='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + archive_cmds_CXX='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + old_archive_cmds_CXX='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test yes,no = "$GXX,$with_gnu_ld"; then + no_undefined_flag_CXX=' $wl-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + archive_cmds_CXX='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require '-G' NOT '-shared' on this + # platform. + archive_cmds_CXX='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + archive_expsym_cmds_CXX='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + hardcode_libdir_flag_spec_CXX='$wl-R $wl$libdir' + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + whole_archive_flag_spec_CXX='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag_CXX='$wl-z,text' + archive_cmds_need_lc_CXX=no + hardcode_shlibpath_var_CXX=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + archive_cmds_CXX='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds_CXX='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag_CXX='$wl-z,text' + allow_undefined_flag_CXX='$wl-z,nodefs' + archive_cmds_need_lc_CXX=no + hardcode_shlibpath_var_CXX=no + hardcode_libdir_flag_spec_CXX='$wl-R,$libdir' + hardcode_libdir_separator_CXX=':' + link_all_deplibs_CXX=yes + export_dynamic_flag_spec_CXX='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + archive_cmds_CXX='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + old_archive_cmds_CXX='$CC -Tprelink_objects $oldobjs~ + '"$old_archive_cmds_CXX" + reload_cmds_CXX='$CC -Tprelink_objects $reload_objs~ + '"$reload_cmds_CXX" + ;; + *) + archive_cmds_CXX='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds_CXX='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + + *) + # FIXME: insert proper C++ library support + ld_shlibs_CXX=no + ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs_CXX" >&5 +$as_echo "$ld_shlibs_CXX" >&6; } + test no = "$ld_shlibs_CXX" && can_build_shared=no + + GCC_CXX=$GXX + LD_CXX=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + # Dependencies to place before and after the object being linked: +predep_objects_CXX= +postdep_objects_CXX= +predeps_CXX= +postdeps_CXX= +compiler_lib_search_path_CXX= + +cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF + + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;; +esac + +if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case $prev$p in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test x-L = "$p" || + test x-R = "$p"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test no = "$pre_test_object_deps_done"; then + case $prev in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$compiler_lib_search_path_CXX"; then + compiler_lib_search_path_CXX=$prev$p + else + compiler_lib_search_path_CXX="${compiler_lib_search_path_CXX} $prev$p" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$postdeps_CXX"; then + postdeps_CXX=$prev$p + else + postdeps_CXX="${postdeps_CXX} $prev$p" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test no = "$pre_test_object_deps_done"; then + if test -z "$predep_objects_CXX"; then + predep_objects_CXX=$p + else + predep_objects_CXX="$predep_objects_CXX $p" + fi + else + if test -z "$postdep_objects_CXX"; then + postdep_objects_CXX=$p + else + postdep_objects_CXX="$postdep_objects_CXX $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling CXX test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +case $host_os in +interix[3-9]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + predep_objects_CXX= + postdep_objects_CXX= + postdeps_CXX= + ;; +esac + + +case " $postdeps_CXX " in +*" -lc "*) archive_cmds_need_lc_CXX=no ;; +esac + compiler_lib_search_dirs_CXX= +if test -n "${compiler_lib_search_path_CXX}"; then + compiler_lib_search_dirs_CXX=`echo " ${compiler_lib_search_path_CXX}" | $SED -e 's! -L! !g' -e 's!^ !!'` +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + lt_prog_compiler_wl_CXX= +lt_prog_compiler_pic_CXX= +lt_prog_compiler_static_CXX= + + + # C++ specific cases for pic, static, wl, etc. + if test yes = "$GXX"; then + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static_CXX='-Bstatic' + fi + lt_prog_compiler_pic_CXX='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic_CXX='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + lt_prog_compiler_pic_CXX='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic_CXX='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static_CXX='$wl-static' + ;; + esac + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic_CXX='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + lt_prog_compiler_pic_CXX= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static_CXX= + ;; + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic_CXX=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + lt_prog_compiler_pic_CXX='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic_CXX='-fPIC -shared' + ;; + *) + lt_prog_compiler_pic_CXX='-fPIC' + ;; + esac + else + case $host_os in + aix[4-9]*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static_CXX='-Bstatic' + else + lt_prog_compiler_static_CXX='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, CXX)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic_CXX='-DDLL_EXPORT' + ;; + dgux*) + case $cc_basename in + ec++*) + lt_prog_compiler_pic_CXX='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + lt_prog_compiler_pic_CXX='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='$wl-a ${wl}archive' + if test ia64 != "$host_cpu"; then + lt_prog_compiler_pic_CXX='+Z' + fi + ;; + aCC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='$wl-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic_CXX='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_static_CXX='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # KAI C++ Compiler + lt_prog_compiler_wl_CXX='--backend -Wl,' + lt_prog_compiler_pic_CXX='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64, which still supported -KPIC. + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-fPIC' + lt_prog_compiler_static_CXX='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-fpic' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + lt_prog_compiler_pic_CXX= + lt_prog_compiler_static_CXX='-non_shared' + ;; + xlc* | xlC* | bgxl[cC]* | mpixl[cC]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-qpic' + lt_prog_compiler_static_CXX='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + lt_prog_compiler_wl_CXX='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + lt_prog_compiler_pic_CXX='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd* | netbsdelf*-gnu) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic_CXX='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + lt_prog_compiler_wl_CXX='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + lt_prog_compiler_pic_CXX='-pic' + ;; + cxx*) + # Digital/Compaq C++ + lt_prog_compiler_wl_CXX='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + lt_prog_compiler_pic_CXX= + lt_prog_compiler_static_CXX='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + lt_prog_compiler_wl_CXX='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + lt_prog_compiler_pic_CXX='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + lt_prog_compiler_pic_CXX='-pic' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + lcc*) + # Lucid + lt_prog_compiler_pic_CXX='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + lt_prog_compiler_wl_CXX='-Wl,' + lt_prog_compiler_pic_CXX='-KPIC' + lt_prog_compiler_static_CXX='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + lt_prog_compiler_pic_CXX='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + lt_prog_compiler_can_build_shared_CXX=no + ;; + esac + fi + +case $host_os in + # For platforms that do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic_CXX= + ;; + *) + lt_prog_compiler_pic_CXX="$lt_prog_compiler_pic_CXX -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic_CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_CXX=$lt_prog_compiler_pic_CXX +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_CXX" >&5 +$as_echo "$lt_cv_prog_compiler_pic_CXX" >&6; } +lt_prog_compiler_pic_CXX=$lt_cv_prog_compiler_pic_CXX + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic_CXX"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic_CXX works... " >&6; } +if ${lt_cv_prog_compiler_pic_works_CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works_CXX=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic_CXX -DPIC" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works_CXX=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works_CXX" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works_CXX" >&6; } + +if test yes = "$lt_cv_prog_compiler_pic_works_CXX"; then + case $lt_prog_compiler_pic_CXX in + "" | " "*) ;; + *) lt_prog_compiler_pic_CXX=" $lt_prog_compiler_pic_CXX" ;; + esac +else + lt_prog_compiler_pic_CXX= + lt_prog_compiler_can_build_shared_CXX=no +fi + +fi + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl_CXX eval lt_tmp_static_flag=\"$lt_prog_compiler_static_CXX\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works_CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_static_works_CXX=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS $lt_tmp_static_flag" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_static_works_CXX=yes + fi + else + lt_cv_prog_compiler_static_works_CXX=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works_CXX" >&5 +$as_echo "$lt_cv_prog_compiler_static_works_CXX" >&6; } + +if test yes = "$lt_cv_prog_compiler_static_works_CXX"; then + : +else + lt_prog_compiler_static_CXX= +fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... 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" >&6; } +if ${lt_cv_archive_cmds_need_lc_CXX+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl_CXX + pic_flag=$lt_prog_compiler_pic_CXX + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag_CXX + allow_undefined_flag_CXX= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds_CXX 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc_CXX=no + else + lt_cv_archive_cmds_need_lc_CXX=yes + fi + allow_undefined_flag_CXX=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc_CXX" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc_CXX" >&6; } + archive_cmds_need_lc_CXX=$lt_cv_archive_cmds_need_lc_CXX + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=.so +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib /usr/lib" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + + + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='$libname$release$shared_ext$major' + ;; + +aix[4-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test ia64 = "$host_cpu"; then + # AIX 5 supports IA64 + library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line '#! .'. This would cause the generated library to + # depend on '.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # Using Import Files as archive members, it is possible to support + # filename-based versioning of shared library archives on AIX. While + # this would work for both with and without runtime linking, it will + # prevent static linking of such archives. So we do filename-based + # shared library versioning with .so extension only, which is used + # when both runtime linking and shared linking is enabled. + # Unfortunately, runtime linking may impact performance, so we do + # not want this to be the default eventually. Also, we use the + # versioned .so libs for executables only if there is the -brtl + # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. + # To allow for filename-based versioning support, we need to create + # libNAME.so.V as an archive file, containing: + # *) an Import File, referring to the versioned filename of the + # archive as well as the shared archive member, telling the + # bitwidth (32 or 64) of that shared object, and providing the + # list of exported symbols of that shared object, eventually + # decorated with the 'weak' keyword + # *) the shared object with the F_LOADONLY flag set, to really avoid + # it being seen by the linker. + # At run time we better use the real file rather than another symlink, + # but for link time we create the symlink libNAME.so -> libNAME.so.V + + case $with_aix_soname,$aix_use_runtimelinking in + # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + aix,yes) # traditional libtool + dynamic_linker='AIX unversionable lib.so' + # If using run time linking (on AIX 4.2 or later) use lib<name>.so + # instead of lib<name>.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + aix,no) # traditional AIX only + dynamic_linker='AIX lib.a(lib.so.V)' + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + ;; + svr4,*) # full svr4 only + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; 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+ +bsdi[45]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl*) + # Native MSVC + libname_spec='$name' + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + library_names_spec='$libname.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec=$LIB + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC wrapper + library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' + soname_spec='$libname$release$major$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=no + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + if test 32 = "$HPUX_IA64_MODE"; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + sys_lib_dlsearch_path_spec=/usr/lib/hpux32 + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + sys_lib_dlsearch_path_spec=/usr/lib/hpux64 + fi + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test yes = "$lt_cv_prog_gnu_ld"; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" + sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +linux*android*) + version_type=none # Android doesn't support versioned libraries. + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext' + soname_spec='$libname$release$shared_ext' + finish_cmds= + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + dynamic_linker='Android linker' + # Don't embed -rpath directories since the linker doesn't support them. + hardcode_libdir_flag_spec_CXX='-L$libdir' + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl_CXX\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec_CXX\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_cxx_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Ideally, we could use ldconfig to report *all* directores which are + # searched for libraries, however this is still not possible. Aside from not + # being certain /sbin/ldconfig is available, command + # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, + # even though it is searched at run-time. Try to do the best guess by + # appending ld.so.conf contents (and includes) to the search path. + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsdelf*-gnu) + version_type=linux + need_lib_prefix=no + need_version=no + library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}' + soname_spec='${libname}${release}${shared_ext}$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='NetBSD ld.elf_so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd* | bitrig*) + version_type=sunos + sys_lib_dlsearch_path_spec=/usr/lib + need_lib_prefix=no + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + need_version=no + else + need_version=yes + fi + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +os2*) + libname_spec='$name' + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + # OS/2 can only load a DLL with a base name of 8 characters or less. + soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; + v=$($ECHO $release$versuffix | tr -d .-); + n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); + $ECHO $n$v`$shared_ext' + library_names_spec='${libname}_dll.$libext' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=BEGINLIBPATH + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test yes = "$with_gnu_ld"; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec; then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' + soname_spec='$libname$shared_ext.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=sco + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test yes = "$with_gnu_ld"; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test no = "$dynamic_linker" && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test yes = "$GCC"; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then + sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec +fi + +if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then + sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec +fi + +# remember unaugmented sys_lib_dlsearch_path content for libtool script decls... +configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec + +# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code +func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" + +# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool +configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action_CXX= +if test -n "$hardcode_libdir_flag_spec_CXX" || + test -n "$runpath_var_CXX" || + test yes = "$hardcode_automatic_CXX"; then + + # We can hardcode non-existent directories. + if test no != "$hardcode_direct_CXX" && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, CXX)" && + test no != "$hardcode_minus_L_CXX"; then + # Linking always hardcodes the temporary library directory. + hardcode_action_CXX=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action_CXX=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action_CXX=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action_CXX" >&5 +$as_echo "$hardcode_action_CXX" >&6; } + +if test relink = "$hardcode_action_CXX" || + test yes = "$inherit_rpath_CXX"; then + # Fast installation is not supported + enable_fast_install=no +elif test yes = "$shlibpath_overrides_runpath" || + test no = "$enable_shared"; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test yes != "$_lt_caught_CXX_error" + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + + + + + + + + + + + + ac_config_commands="$ac_config_commands libtool" + + + + +# Only expand once: + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ax_pthread_ok=no + +# We used to check for pthread.h first, but this fails if pthread.h +# requires special compiler flags (e.g. on True64 or Sequent). +# It gets checked for in the link test anyway. + +# First of all, check if the user has set any of the PTHREAD_LIBS, +# etcetera environment variables, and if threads linking works using +# them: +if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS" >&5 +$as_echo_n "checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char pthread_join (); +int +main () +{ +return pthread_join (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_pthread_ok=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 +$as_echo "$ax_pthread_ok" >&6; } + if test x"$ax_pthread_ok" = xno; then + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" + fi + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" +fi + +# We must check for the threads library under a number of different +# names; the ordering is very important because some systems +# (e.g. DEC) have both -lpthread and -lpthreads, where one of the +# libraries is broken (non-POSIX). + +# Create a list of thread flags to try. Items starting with a "-" are +# C compiler flags, and other items are library names, except for "none" +# which indicates that we try without any flags at all, and "pthread-config" +# which is a program returning the flags for the Pth emulation library. + +ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" + +# The ordering *is* (sometimes) important. Some notes on the +# individual items follow: + +# pthreads: AIX (must check this before -lpthread) +# none: in case threads are in libc; should be tried before -Kthread and +# other compiler flags to prevent continual compiler warnings +# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) +# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) +# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) +# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) +# -pthreads: Solaris/gcc +# -mthreads: Mingw32/gcc, Lynx/gcc +# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it +# doesn't hurt to check since this sometimes defines pthreads too; +# also defines -D_REENTRANT) +# ... -mt is also the pthreads flag for HP/aCC +# pthread: Linux, etcetera +# --thread-safe: KAI C++ +# pthread-config: use pthread-config program (for GNU Pth library) + +case ${host_os} in + solaris*) + + # On Solaris (at least, for some versions), libc contains stubbed + # (non-functional) versions of the pthreads routines, so link-based + # tests will erroneously succeed. (We need to link with -pthreads/-mt/ + # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather + # a function called by this macro, so we could check for that, but + # who knows whether they'll stub that too in a future libc.) So, + # we'll just look for -pthreads and -lpthread first: + + ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags" + ;; + + darwin*) + ax_pthread_flags="-pthread $ax_pthread_flags" + ;; +esac + +# Clang doesn't consider unrecognized options an error unless we specify +# -Werror. We throw in some extra Clang-specific options to ensure that +# this doesn't happen for GCC, which also accepts -Werror. + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler needs -Werror to reject unknown flags" >&5 +$as_echo_n "checking if compiler needs -Werror to reject unknown flags... " >&6; } +save_CFLAGS="$CFLAGS" +ax_pthread_extra_flags="-Werror" +CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wunknown-warning-option -Wsizeof-array-argument" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo(void); +int +main () +{ +foo() + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + ax_pthread_extra_flags= + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +CFLAGS="$save_CFLAGS" + +if test x"$ax_pthread_ok" = xno; then +for flag in $ax_pthread_flags; do + + case $flag in + none) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work without any flags" >&5 +$as_echo_n "checking whether pthreads work without any flags... " >&6; } + ;; + + -*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $flag" >&5 +$as_echo_n "checking whether pthreads work with $flag... " >&6; } + PTHREAD_CFLAGS="$flag" + ;; + + pthread-config) + # Extract the first word of "pthread-config", so it can be a program name with args. +set dummy pthread-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ax_pthread_config+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ax_pthread_config"; then + ac_cv_prog_ax_pthread_config="$ax_pthread_config" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ax_pthread_config="yes" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_prog_ax_pthread_config" && ac_cv_prog_ax_pthread_config="no" +fi +fi +ax_pthread_config=$ac_cv_prog_ax_pthread_config +if test -n "$ax_pthread_config"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_config" >&5 +$as_echo "$ax_pthread_config" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test x"$ax_pthread_config" = xno; then continue; fi + PTHREAD_CFLAGS="`pthread-config --cflags`" + PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" + ;; + + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$flag" >&5 +$as_echo_n "checking for the pthreads library -l$flag... " >&6; } + PTHREAD_LIBS="-l$flag" + ;; + esac + + save_LIBS="$LIBS" + save_CFLAGS="$CFLAGS" + LIBS="$PTHREAD_LIBS $LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags" + + # Check for various functions. We must include pthread.h, + # since some functions may be macros. (On the Sequent, we + # need a special flag -Kthread to make this header compile.) + # We check for pthread_join because it is in -lpthread on IRIX + # while pthread_create is in libc. We check for pthread_attr_init + # due to DEC craziness with -lpthreads. We check for + # pthread_cleanup_push because it is one of the few pthread + # functions on Solaris that doesn't have a non-functional libc stub. + # We try pthread_create on general principles. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <pthread.h> + static void routine(void *a) { a = 0; } + static void *start_routine(void *a) { return a; } +int +main () +{ +pthread_t th; pthread_attr_t attr; + pthread_create(&th, 0, start_routine, 0); + pthread_join(th, 0); + pthread_attr_init(&attr); + pthread_cleanup_push(routine, 0); + pthread_cleanup_pop(0) /* ; */ + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_pthread_ok=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 +$as_echo "$ax_pthread_ok" >&6; } + if test "x$ax_pthread_ok" = xyes; then + break; + fi + + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" +done +fi + +# Various other checks: +if test "x$ax_pthread_ok" = xyes; then + save_LIBS="$LIBS" + LIBS="$PTHREAD_LIBS $LIBS" + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + + # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5 +$as_echo_n "checking for joinable pthread attribute... " >&6; } + attr_name=unknown + for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <pthread.h> +int +main () +{ +int attr = $attr; return attr /* ; */ + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + attr_name=$attr; break +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + done + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $attr_name" >&5 +$as_echo "$attr_name" >&6; } + if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then + +cat >>confdefs.h <<_ACEOF +#define PTHREAD_CREATE_JOINABLE $attr_name +_ACEOF + + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if more special flags are required for pthreads" >&5 +$as_echo_n "checking if more special flags are required for pthreads... " >&6; } + flag=no + case ${host_os} in + aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";; + osf* | hpux*) flag="-D_REENTRANT";; + solaris*) + if test "$GCC" = "yes"; then + flag="-D_REENTRANT" + else + # TODO: What about Clang on Solaris? + flag="-mt -D_REENTRANT" + fi + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $flag" >&5 +$as_echo "$flag" >&6; } + if test "x$flag" != xno; then + PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PTHREAD_PRIO_INHERIT" >&5 +$as_echo_n "checking for PTHREAD_PRIO_INHERIT... " >&6; } +if ${ax_cv_PTHREAD_PRIO_INHERIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <pthread.h> +int +main () +{ +int i = PTHREAD_PRIO_INHERIT; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ax_cv_PTHREAD_PRIO_INHERIT=yes +else + ax_cv_PTHREAD_PRIO_INHERIT=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_PRIO_INHERIT" >&5 +$as_echo "$ax_cv_PTHREAD_PRIO_INHERIT" >&6; } + if test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"; then : + +$as_echo "#define HAVE_PTHREAD_PRIO_INHERIT 1" >>confdefs.h + +fi + + LIBS="$save_LIBS" + CFLAGS="$save_CFLAGS" + + # More AIX lossage: compile with *_r variant + if test "x$GCC" != xyes; then + case $host_os in + aix*) + case "x/$CC" in #( + x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6) : + #handle absolute path differently from PATH based program lookup + case "x$CC" in #( + x/*) : + if as_fn_executable_p ${CC}_r; then : + PTHREAD_CC="${CC}_r" +fi ;; #( + *) : + for ac_prog in ${CC}_r +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_PTHREAD_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$PTHREAD_CC"; then + ac_cv_prog_PTHREAD_CC="$PTHREAD_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_PTHREAD_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +PTHREAD_CC=$ac_cv_prog_PTHREAD_CC +if test -n "$PTHREAD_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PTHREAD_CC" >&5 +$as_echo "$PTHREAD_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$PTHREAD_CC" && break +done +test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" + ;; +esac ;; #( + *) : + ;; +esac + ;; + esac + fi +fi + +test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" + + + + + +# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: +if test x"$ax_pthread_ok" = xyes; then + +$as_echo "#define HAVE_PTHREAD 1" >>confdefs.h + + : +else + ax_pthread_ok=no + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + + + + # allow to override gcov location + +# Check whether --with-gcov was given. +if test "${with_gcov+set}" = set; then : + withval=$with_gcov; _AX_CODE_COVERAGE_GCOV_PROG_WITH=$with_gcov +else + _AX_CODE_COVERAGE_GCOV_PROG_WITH=gcov +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build with code coverage support" >&5 +$as_echo_n "checking whether to build with code coverage support... " >&6; } + # Check whether --enable-code-coverage was given. +if test "${enable_code_coverage+set}" = set; then : + enableval=$enable_code_coverage; +else + enable_code_coverage=no +fi + + + if test x$enable_code_coverage = xyes; then + CODE_COVERAGE_ENABLED_TRUE= + CODE_COVERAGE_ENABLED_FALSE='#' +else + CODE_COVERAGE_ENABLED_TRUE='#' + CODE_COVERAGE_ENABLED_FALSE= +fi + + CODE_COVERAGE_ENABLED=$enable_code_coverage + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_code_coverage" >&5 +$as_echo "$enable_code_coverage" >&6; } + + if test "$enable_code_coverage" = "yes" ; then : + + # check for gcov + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH", so it can be a program name with args. +set dummy ${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_GCOV+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$GCOV"; then + ac_cv_prog_GCOV="$GCOV" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_GCOV="${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +GCOV=$ac_cv_prog_GCOV +if test -n "$GCOV"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GCOV" >&5 +$as_echo "$GCOV" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_GCOV"; then + ac_ct_GCOV=$GCOV + # Extract the first word of "$_AX_CODE_COVERAGE_GCOV_PROG_WITH", so it can be a program name with args. +set dummy $_AX_CODE_COVERAGE_GCOV_PROG_WITH; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_GCOV+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_GCOV"; then + ac_cv_prog_ac_ct_GCOV="$ac_ct_GCOV" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_GCOV="$_AX_CODE_COVERAGE_GCOV_PROG_WITH" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_GCOV=$ac_cv_prog_ac_ct_GCOV +if test -n "$ac_ct_GCOV"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_GCOV" >&5 +$as_echo "$ac_ct_GCOV" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_GCOV" = x; then + GCOV=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + GCOV=$ac_ct_GCOV + fi +else + GCOV="$ac_cv_prog_GCOV" +fi + + if test "X$GCOV" = "X:"; then : + as_fn_error $? "gcov is needed to do coverage" "$LINENO" 5 +fi + + + if test "$GCC" = "no" ; then : + + as_fn_error $? "not compiling with gcc, which is required for gcov code coverage" "$LINENO" 5 + +fi + + # List of supported lcov versions. + lcov_version_list="1.6 1.7 1.8 1.9 1.10 1.11" + + # Extract the first word of "lcov", so it can be a program name with args. +set dummy lcov; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LCOV+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LCOV"; then + ac_cv_prog_LCOV="$LCOV" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LCOV="lcov" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LCOV=$ac_cv_prog_LCOV +if test -n "$LCOV"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LCOV" >&5 +$as_echo "$LCOV" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + # Extract the first word of "genhtml", so it can be a program name with args. +set dummy genhtml; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_GENHTML+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$GENHTML"; then + ac_cv_prog_GENHTML="$GENHTML" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_GENHTML="genhtml" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +GENHTML=$ac_cv_prog_GENHTML +if test -n "$GENHTML"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GENHTML" >&5 +$as_echo "$GENHTML" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + if test "$LCOV" ; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for lcov version" >&5 +$as_echo_n "checking for lcov version... " >&6; } +if ${ax_cv_lcov_version+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ax_cv_lcov_version=invalid + lcov_version=`$LCOV -v 2>/dev/null | $SED -e 's/^.* //'` + for lcov_check_version in $lcov_version_list; do + if test "$lcov_version" = "$lcov_check_version"; then + ax_cv_lcov_version="$lcov_check_version (ok)" + fi + done + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_lcov_version" >&5 +$as_echo "$ax_cv_lcov_version" >&6; } + +else + + lcov_msg="To enable code coverage reporting you must have one of the following lcov versions installed: $lcov_version_list" + as_fn_error $? "$lcov_msg" "$LINENO" 5 + +fi + + case $ax_cv_lcov_version in + ""|invalid) + lcov_msg="You must have one of the following versions of lcov: $lcov_version_list (found: $lcov_version)." + as_fn_error $? "$lcov_msg" "$LINENO" 5 + LCOV="exit 0;" + ;; + esac + + if test -z "$GENHTML" ; then : + + as_fn_error $? "Could not find genhtml from the lcov package" "$LINENO" 5 + +fi + + CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage" + CODE_COVERAGE_LDFLAGS="-lgcov" + + + + +CODE_COVERAGE_RULES=' +# Code coverage +# +# Optional: +# - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting. +# (Default: $(top_builddir)) +# - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated +# by lcov for code coverage. (Default: +# $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info) +# - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage +# reports to be created. (Default: +# $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage) +# - CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH: --gcov-tool pathtogcov +# - CODE_COVERAGE_LCOV_OPTIONS_DEFAULT: Extra options to pass to the lcov instance. +# (Default: $CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH) +# - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the lcov instance. +# (Default: $CODE_COVERAGE_LCOV_OPTIONS_DEFAULT) +# - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml +# instance. (Default: empty) +# - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore +# +# The generated report will be titled using the $(PACKAGE_NAME) and +# $(PACKAGE_VERSION). In order to add the current git hash to the title, +# use the git-version-gen script, available online. + +# Optional variables +CODE_COVERAGE_DIRECTORY ?= $(top_builddir) +CODE_COVERAGE_OUTPUT_FILE ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info +CODE_COVERAGE_OUTPUT_DIRECTORY ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage +CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH ?= --gcov-tool "$(GCOV)" +CODE_COVERAGE_LCOV_OPTIONS_DEFAULT ?= $(CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH) +CODE_COVERAGE_LCOV_OPTIONS ?= $(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT) +CODE_COVERAGE_GENHTML_OPTIONS ?= +CODE_COVERAGE_IGNORE_PATTERN ?= + +code_coverage_quiet = $(code_coverage_quiet_$(V)) +code_coverage_quiet_ = +code_coverage_quiet_0 = --quiet + +# Use recursive makes in order to ignore errors during check +check-code-coverage: + -$(MAKE) $(AM_MAKEFLAGS) -k check + $(MAKE) $(AM_MAKEFLAGS) code-coverage-capture + +# Capture code coverage data +code-coverage-capture: code-coverage-capture-hook + $(LCOV) $(code_coverage_quiet) --directory $(CODE_COVERAGE_DIRECTORY) --capture --output-file "$(CODE_COVERAGE_OUTPUT_FILE).tmp" --test-name "$(PACKAGE_NAME)-$(PACKAGE_VERSION)" --no-checksum --compat-libtool $(CODE_COVERAGE_LCOV_OPTIONS) + $(LCOV) $(code_coverage_quiet) --directory $(CODE_COVERAGE_DIRECTORY) --remove "$(CODE_COVERAGE_OUTPUT_FILE).tmp" "/tmp/*" $(CODE_COVERAGE_IGNORE_PATTERN) --output-file "$(CODE_COVERAGE_OUTPUT_FILE)" + -@rm -f $(CODE_COVERAGE_OUTPUT_FILE).tmp + LANG=C $(GENHTML) $(code_coverage_quiet) --prefix $(CODE_COVERAGE_DIRECTORY) --output-directory "$(CODE_COVERAGE_OUTPUT_DIRECTORY)" --title "$(PACKAGE_NAME)-$(PACKAGE_VERSION) Code Coverage" --legend --show-details "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_GENHTML_OPTIONS) + @echo "file://$(abs_builddir)/$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html" + +# Hook rule executed before code-coverage-capture, overridable by the user +code-coverage-capture-hook: + +clean: code-coverage-clean +code-coverage-clean: + -$(LCOV) --directory $(top_builddir) -z + -rm -rf $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_FILE).tmp $(CODE_COVERAGE_OUTPUT_DIRECTORY) + -find . -name "*.gcda" -o -name "*.gcov" -delete + +GITIGNOREFILES ?= +GITIGNOREFILES += $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY) + +DISTCHECK_CONFIGURE_FLAGS ?= +DISTCHECK_CONFIGURE_FLAGS += --disable-code-coverage + +.PHONY: check-code-coverage code-coverage-capture code-coverage-capture-hook code-coverage-clean +' + + +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether user namespaces are supported" >&5 +$as_echo_n "checking whether user namespaces are supported... " >&6; } +if ${ax_cv_user_namespace+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + if test "$cross_compiling" = yes; then : + ax_cv_user_namespace=no +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#define _GNU_SOURCE +#include <fcntl.h> +#include <sched.h> +#include <signal.h> +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <sys/wait.h> + +int userfn(void *d) { + usleep(100000); /* synchronize by sleep */ + return (getuid() != 0); +} +char userst[1024*1024]; +int main() { + char buffer[1024]; + int rc, status, fd; + pid_t child = clone(userfn, userst + 1024*1024, CLONE_NEWUSER|SIGCHLD, 0); + if (child < 0) return 1; + + sprintf(buffer, "/proc/%d/uid_map", child); + fd = open(buffer, O_CREAT|O_WRONLY|O_TRUNC, 0755); + sprintf(buffer, "0 %d 1\n", getuid()); + write(fd, buffer, strlen(buffer)); + close(fd); + + rc = waitpid(child, &status, 0); + if (rc <= 0) return 1; + if (!WIFEXITED(status)) return 1; + return WEXITSTATUS(status); +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ax_cv_user_namespace=yes +else + ax_cv_user_namespace=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_user_namespace" >&5 +$as_echo "$ax_cv_user_namespace" >&6; } + if test "$ax_cv_user_namespace" = yes; then + +$as_echo "#define HAVE_USER_NAMESPACE 1" >>confdefs.h + + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether UTS namespaces are supported" >&5 +$as_echo_n "checking whether UTS namespaces are supported... " >&6; } +if ${ax_cv_uts_namespace+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + if test "$cross_compiling" = yes; then : + ax_cv_uts_namespace=no +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#define _GNU_SOURCE +#include <sched.h> +#include <signal.h> +#include <stdio.h> +#include <string.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> + +int utsfn(void *d) { + char buffer[1024]; + const char *name = "autoconftest"; + int rc = sethostname(name, strlen(name)); + if (rc != 0) return 1; + gethostname(buffer, 1024); + return (strcmp(buffer, name) != 0); +} + +char st2[1024*1024]; +int fn(void *d) { + pid_t child; + int rc, status; + usleep(100000); /* synchronize by sleep */ + if (getuid() != 0) return 1; + child = clone(utsfn, st2 + 1024*1024, CLONE_NEWUTS|SIGCHLD, 0); + if (child < 0) return 1; + rc = waitpid(child, &status, 0); + if (rc <= 0) return 1; + if (!WIFEXITED(status)) return 1; + return WEXITSTATUS(status); +} +char st[1024*1024]; +int main() { + char buffer[1024]; + int rc, status, fd; + pid_t child = clone(fn, st + 1024*1024, CLONE_NEWUSER|SIGCHLD, 0); + if (child < 0) return 1; + + sprintf(buffer, "/proc/%d/uid_map", child); + fd = open(buffer, O_CREAT|O_WRONLY|O_TRUNC, 0755); + sprintf(buffer, "0 %d 1\n", getuid()); + write(fd, buffer, strlen(buffer)); + close(fd); + + rc = waitpid(child, &status, 0); + if (rc <= 0) return 1; + if (!WIFEXITED(status)) return 1; + return WEXITSTATUS(status); +} + + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ax_cv_uts_namespace=yes +else + ax_cv_uts_namespace=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_uts_namespace" >&5 +$as_echo "$ax_cv_uts_namespace" >&6; } + if test "$ax_cv_uts_namespace" = yes; then + +$as_echo "#define HAVE_UTS_NAMESPACE 1" >>confdefs.h + + fi + + +for ac_header in netdb.h netinet/tcp.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + +ac_config_headers="$ac_config_headers config.h" + +ac_config_files="$ac_config_files Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5 +$as_echo_n "checking that generated files are newer than configure... " >&6; } + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5 +$as_echo "done" >&6; } + if test -n "$EXEEXT"; then + am__EXEEXT_TRUE= + am__EXEEXT_FALSE='#' +else + am__EXEEXT_TRUE='#' + am__EXEEXT_FALSE= +fi + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error $? "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCXX\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${CODE_COVERAGE_ENABLED_TRUE}" && test -z "${CODE_COVERAGE_ENABLED_FALSE}"; then + as_fn_error $? "conditional \"CODE_COVERAGE_ENABLED\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by c-ares-test $as_me -, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... 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"$delay_single_quote_subst"`' +DLLTOOL='`$ECHO "$DLLTOOL" | $SED "$delay_single_quote_subst"`' +sharedlib_from_linklib_cmd='`$ECHO "$sharedlib_from_linklib_cmd" | $SED "$delay_single_quote_subst"`' +AR='`$ECHO "$AR" | $SED "$delay_single_quote_subst"`' +AR_FLAGS='`$ECHO "$AR_FLAGS" | $SED "$delay_single_quote_subst"`' +archiver_list_spec='`$ECHO "$archiver_list_spec" | $SED "$delay_single_quote_subst"`' +STRIP='`$ECHO "$STRIP" | $SED "$delay_single_quote_subst"`' +RANLIB='`$ECHO "$RANLIB" | $SED "$delay_single_quote_subst"`' +old_postinstall_cmds='`$ECHO "$old_postinstall_cmds" | $SED "$delay_single_quote_subst"`' +old_postuninstall_cmds='`$ECHO "$old_postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_cmds='`$ECHO "$old_archive_cmds" | $SED "$delay_single_quote_subst"`' +lock_old_archive_extraction='`$ECHO "$lock_old_archive_extraction" | $SED "$delay_single_quote_subst"`' +CC='`$ECHO "$CC" | $SED "$delay_single_quote_subst"`' +CFLAGS='`$ECHO "$CFLAGS" | $SED "$delay_single_quote_subst"`' +compiler='`$ECHO "$compiler" | $SED "$delay_single_quote_subst"`' +GCC='`$ECHO "$GCC" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_pipe='`$ECHO "$lt_cv_sys_global_symbol_pipe" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_cdecl='`$ECHO "$lt_cv_sys_global_symbol_to_cdecl" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_import='`$ECHO "$lt_cv_sys_global_symbol_to_import" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address" | $SED "$delay_single_quote_subst"`' +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_symbol_to_c_name_address_lib_prefix" | $SED "$delay_single_quote_subst"`' +lt_cv_nm_interface='`$ECHO "$lt_cv_nm_interface" | $SED "$delay_single_quote_subst"`' +nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`' +lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`' +lt_cv_truncate_bin='`$ECHO "$lt_cv_truncate_bin" | $SED "$delay_single_quote_subst"`' +objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`' +MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic='`$ECHO "$lt_prog_compiler_pic" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl='`$ECHO "$lt_prog_compiler_wl" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static='`$ECHO "$lt_prog_compiler_static" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o='`$ECHO "$lt_cv_prog_compiler_c_o" | $SED "$delay_single_quote_subst"`' +need_locks='`$ECHO "$need_locks" | $SED "$delay_single_quote_subst"`' +MANIFEST_TOOL='`$ECHO "$MANIFEST_TOOL" | $SED "$delay_single_quote_subst"`' +DSYMUTIL='`$ECHO "$DSYMUTIL" | $SED "$delay_single_quote_subst"`' +NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`' +LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`' +OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`' +OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`' +libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`' +shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`' +extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`' +compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`' +module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`' +with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' +no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' +hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`' +hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`' +inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`' +link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`' +always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`' +exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`' +include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`' +prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`' +postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`' +file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`' +variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`' +need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`' +need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`' +version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`' +runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`' +libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`' +library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`' +soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`' +install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`' +postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`' +postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`' +finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`' +hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`' +sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`' +configure_time_dlsearch_path='`$ECHO "$configure_time_dlsearch_path" | $SED "$delay_single_quote_subst"`' +configure_time_lt_sys_library_path='`$ECHO "$configure_time_lt_sys_library_path" | $SED "$delay_single_quote_subst"`' +hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`' +enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`' +old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`' +striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_dirs='`$ECHO "$compiler_lib_search_dirs" | $SED "$delay_single_quote_subst"`' +predep_objects='`$ECHO "$predep_objects" | $SED "$delay_single_quote_subst"`' +postdep_objects='`$ECHO "$postdep_objects" | $SED "$delay_single_quote_subst"`' +predeps='`$ECHO "$predeps" | $SED "$delay_single_quote_subst"`' +postdeps='`$ECHO "$postdeps" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_path='`$ECHO "$compiler_lib_search_path" | $SED "$delay_single_quote_subst"`' +LD_CXX='`$ECHO "$LD_CXX" | $SED "$delay_single_quote_subst"`' +reload_flag_CXX='`$ECHO "$reload_flag_CXX" | $SED "$delay_single_quote_subst"`' +reload_cmds_CXX='`$ECHO "$reload_cmds_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_cmds_CXX='`$ECHO "$old_archive_cmds_CXX" | $SED "$delay_single_quote_subst"`' +compiler_CXX='`$ECHO "$compiler_CXX" | $SED "$delay_single_quote_subst"`' +GCC_CXX='`$ECHO "$GCC_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_no_builtin_flag_CXX='`$ECHO "$lt_prog_compiler_no_builtin_flag_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_pic_CXX='`$ECHO "$lt_prog_compiler_pic_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_wl_CXX='`$ECHO "$lt_prog_compiler_wl_CXX" | $SED "$delay_single_quote_subst"`' +lt_prog_compiler_static_CXX='`$ECHO "$lt_prog_compiler_static_CXX" | $SED "$delay_single_quote_subst"`' +lt_cv_prog_compiler_c_o_CXX='`$ECHO "$lt_cv_prog_compiler_c_o_CXX" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc_CXX='`$ECHO "$archive_cmds_need_lc_CXX" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes_CXX='`$ECHO "$enable_shared_with_static_runtimes_CXX" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec_CXX='`$ECHO "$export_dynamic_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec_CXX='`$ECHO "$whole_archive_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +compiler_needs_object_CXX='`$ECHO "$compiler_needs_object_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds_CXX='`$ECHO "$old_archive_from_new_cmds_CXX" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds_CXX='`$ECHO "$old_archive_from_expsyms_cmds_CXX" | $SED "$delay_single_quote_subst"`' +archive_cmds_CXX='`$ECHO "$archive_cmds_CXX" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds_CXX='`$ECHO "$archive_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`' +module_cmds_CXX='`$ECHO "$module_cmds_CXX" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds_CXX='`$ECHO "$module_expsym_cmds_CXX" | $SED "$delay_single_quote_subst"`' +with_gnu_ld_CXX='`$ECHO "$with_gnu_ld_CXX" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag_CXX='`$ECHO "$allow_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`' +no_undefined_flag_CXX='`$ECHO "$no_undefined_flag_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec_CXX='`$ECHO "$hardcode_libdir_flag_spec_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator_CXX='`$ECHO "$hardcode_libdir_separator_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_direct_CXX='`$ECHO "$hardcode_direct_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute_CXX='`$ECHO "$hardcode_direct_absolute_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L_CXX='`$ECHO "$hardcode_minus_L_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var_CXX='`$ECHO "$hardcode_shlibpath_var_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_automatic_CXX='`$ECHO "$hardcode_automatic_CXX" | $SED "$delay_single_quote_subst"`' +inherit_rpath_CXX='`$ECHO "$inherit_rpath_CXX" | $SED "$delay_single_quote_subst"`' +link_all_deplibs_CXX='`$ECHO "$link_all_deplibs_CXX" | $SED "$delay_single_quote_subst"`' +always_export_symbols_CXX='`$ECHO "$always_export_symbols_CXX" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds_CXX='`$ECHO "$export_symbols_cmds_CXX" | $SED "$delay_single_quote_subst"`' +exclude_expsyms_CXX='`$ECHO "$exclude_expsyms_CXX" | $SED "$delay_single_quote_subst"`' +include_expsyms_CXX='`$ECHO "$include_expsyms_CXX" | $SED "$delay_single_quote_subst"`' +prelink_cmds_CXX='`$ECHO "$prelink_cmds_CXX" | $SED "$delay_single_quote_subst"`' +postlink_cmds_CXX='`$ECHO "$postlink_cmds_CXX" | $SED "$delay_single_quote_subst"`' +file_list_spec_CXX='`$ECHO "$file_list_spec_CXX" | $SED "$delay_single_quote_subst"`' +hardcode_action_CXX='`$ECHO "$hardcode_action_CXX" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_dirs_CXX='`$ECHO "$compiler_lib_search_dirs_CXX" | $SED "$delay_single_quote_subst"`' +predep_objects_CXX='`$ECHO "$predep_objects_CXX" | $SED "$delay_single_quote_subst"`' +postdep_objects_CXX='`$ECHO "$postdep_objects_CXX" | $SED "$delay_single_quote_subst"`' +predeps_CXX='`$ECHO "$predeps_CXX" | $SED "$delay_single_quote_subst"`' +postdeps_CXX='`$ECHO "$postdeps_CXX" | $SED "$delay_single_quote_subst"`' +compiler_lib_search_path_CXX='`$ECHO "$compiler_lib_search_path_CXX" | $SED "$delay_single_quote_subst"`' + +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in SHELL \ +ECHO \ +PATH_SEPARATOR \ +SED \ +GREP \ +EGREP \ +FGREP \ +LD \ +NM \ +LN_S \ +lt_SP2NL \ +lt_NL2SP \ +reload_flag \ +OBJDUMP \ +deplibs_check_method \ +file_magic_cmd \ +file_magic_glob \ +want_nocaseglob \ +DLLTOOL \ +sharedlib_from_linklib_cmd \ +AR \ +AR_FLAGS \ +archiver_list_spec \ +STRIP \ +RANLIB \ +CC \ +CFLAGS \ +compiler \ +lt_cv_sys_global_symbol_pipe \ +lt_cv_sys_global_symbol_to_cdecl \ +lt_cv_sys_global_symbol_to_import \ +lt_cv_sys_global_symbol_to_c_name_address \ +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \ +lt_cv_nm_interface \ +nm_file_list_spec \ +lt_cv_truncate_bin \ +lt_prog_compiler_no_builtin_flag \ +lt_prog_compiler_pic \ +lt_prog_compiler_wl \ +lt_prog_compiler_static \ +lt_cv_prog_compiler_c_o \ +need_locks \ +MANIFEST_TOOL \ +DSYMUTIL \ +NMEDIT \ +LIPO \ +OTOOL \ +OTOOL64 \ +shrext_cmds \ +export_dynamic_flag_spec \ +whole_archive_flag_spec \ +compiler_needs_object \ +with_gnu_ld \ +allow_undefined_flag \ +no_undefined_flag \ +hardcode_libdir_flag_spec \ +hardcode_libdir_separator \ +exclude_expsyms \ +include_expsyms \ +file_list_spec \ +variables_saved_for_relink \ +libname_spec \ +library_names_spec \ +soname_spec \ +install_override_mode \ +finish_eval \ +old_striplib \ +striplib \ +compiler_lib_search_dirs \ +predep_objects \ +postdep_objects \ +predeps \ +postdeps \ +compiler_lib_search_path \ +LD_CXX \ +reload_flag_CXX \ +compiler_CXX \ +lt_prog_compiler_no_builtin_flag_CXX \ +lt_prog_compiler_pic_CXX \ +lt_prog_compiler_wl_CXX \ +lt_prog_compiler_static_CXX \ +lt_cv_prog_compiler_c_o_CXX \ +export_dynamic_flag_spec_CXX \ +whole_archive_flag_spec_CXX \ +compiler_needs_object_CXX \ +with_gnu_ld_CXX \ +allow_undefined_flag_CXX \ +no_undefined_flag_CXX \ +hardcode_libdir_flag_spec_CXX \ +hardcode_libdir_separator_CXX \ +exclude_expsyms_CXX \ +include_expsyms_CXX \ +file_list_spec_CXX \ +compiler_lib_search_dirs_CXX \ +predep_objects_CXX \ +postdep_objects_CXX \ +predeps_CXX \ +postdeps_CXX \ +compiler_lib_search_path_CXX; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in reload_cmds \ +old_postinstall_cmds \ +old_postuninstall_cmds \ +old_archive_cmds \ +extract_expsyms_cmds \ +old_archive_from_new_cmds \ +old_archive_from_expsyms_cmds \ +archive_cmds \ +archive_expsym_cmds \ +module_cmds \ +module_expsym_cmds \ +export_symbols_cmds \ +prelink_cmds \ +postlink_cmds \ +postinstall_cmds \ +postuninstall_cmds \ +finish_cmds \ +sys_lib_search_path_spec \ +configure_time_dlsearch_path \ +configure_time_lt_sys_library_path \ +reload_cmds_CXX \ +old_archive_cmds_CXX \ +old_archive_from_new_cmds_CXX \ +old_archive_from_expsyms_cmds_CXX \ +archive_cmds_CXX \ +archive_expsym_cmds_CXX \ +module_cmds_CXX \ +module_expsym_cmds_CXX \ +export_symbols_cmds_CXX \ +prelink_cmds_CXX \ +postlink_cmds_CXX; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +ac_aux_dir='$ac_aux_dir' + +# See if we are running on zsh, and set the options that allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + + + PACKAGE='$PACKAGE' + VERSION='$VERSION' + RM='$RM' + ofile='$ofile' + + + + + + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;; + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! 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"could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' <confdefs.h | sed ' +s/'"$ac_delim"'/"\\\ +"/g' >>$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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"could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + + case $INSTALL in + [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;; + *) ac_INSTALL=$ac_top_build_prefix$INSTALL ;; + esac + ac_MKDIR_P=$MKDIR_P + case $MKDIR_P in + [\\/$]* | ?:[\\/]* ) ;; + */*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;; + esac +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +s&@INSTALL@&$ac_INSTALL&;t t +s&@MKDIR_P@&$ac_MKDIR_P&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \ + >$ac_tmp/out || as_fn_error $? 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We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`$as_dirname -- "$file" || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir=$dirpart/$fdir; as_fn_mkdir_p + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done + done +} + ;; + "libtool":C) + + # See if we are running on zsh, and set the options that allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST + fi + + cfgfile=${ofile}T + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL +# Generated automatically by $as_me ($PACKAGE) $VERSION +# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`: +# NOTE: Changes made to this file will be lost: look at ltmain.sh. + +# Provide generalized library-building support services. +# Written by Gordon Matzigkeit, 1996 + +# Copyright (C) 2014 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program or library that is built +# using GNU Libtool, you may include this file under the same +# distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + +# The names of the tagged configurations supported by this script. +available_tags='CXX ' + +# Configured defaults for sys_lib_dlsearch_path munging. +: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"} + +# ### BEGIN LIBTOOL CONFIG + +# Which release of libtool.m4 was used? +macro_version=$macro_version +macro_revision=$macro_revision + +# Whether or not to build shared libraries. +build_libtool_libs=$enable_shared + +# Whether or not to build static libraries. +build_old_libs=$enable_static + +# What type of objects to build. +pic_mode=$pic_mode + +# Whether or not to optimize for fast installation. +fast_install=$enable_fast_install + +# Shared archive member basename,for filename based shared library versioning on AIX. +shared_archive_member_spec=$shared_archive_member_spec + +# Shell to use when invoking shell scripts. +SHELL=$lt_SHELL + +# An echo program that protects backslashes. +ECHO=$lt_ECHO + +# The PATH separator for the build system. +PATH_SEPARATOR=$lt_PATH_SEPARATOR + +# The host system. +host_alias=$host_alias +host=$host +host_os=$host_os + +# The build system. +build_alias=$build_alias +build=$build +build_os=$build_os + +# A sed program that does not truncate output. +SED=$lt_SED + +# Sed that helps us avoid accidentally triggering echo(1) options like -n. +Xsed="\$SED -e 1s/^X//" + +# A grep program that handles long lines. +GREP=$lt_GREP + +# An ERE matcher. +EGREP=$lt_EGREP + +# A literal string matcher. +FGREP=$lt_FGREP + +# A BSD- or MS-compatible name lister. +NM=$lt_NM + +# Whether we need soft or hard links. +LN_S=$lt_LN_S + +# What is the maximum length of a command? +max_cmd_len=$max_cmd_len + +# Object file suffix (normally "o"). +objext=$ac_objext + +# Executable file suffix (normally ""). +exeext=$exeext + +# whether the shell understands "unset". +lt_unset=$lt_unset + +# turn spaces into newlines. +SP2NL=$lt_lt_SP2NL + +# turn newlines into spaces. +NL2SP=$lt_lt_NL2SP + +# convert \$build file names to \$host format. +to_host_file_cmd=$lt_cv_to_host_file_cmd + +# convert \$build files to toolchain format. +to_tool_file_cmd=$lt_cv_to_tool_file_cmd + +# An object symbol dumper. +OBJDUMP=$lt_OBJDUMP + +# Method to check whether dependent libraries are shared objects. +deplibs_check_method=$lt_deplibs_check_method + +# Command to use when deplibs_check_method = "file_magic". +file_magic_cmd=$lt_file_magic_cmd + +# How to find potential files when deplibs_check_method = "file_magic". +file_magic_glob=$lt_file_magic_glob + +# Find potential files using nocaseglob when deplibs_check_method = "file_magic". +want_nocaseglob=$lt_want_nocaseglob + +# DLL creation program. +DLLTOOL=$lt_DLLTOOL + +# Command to associate shared and link libraries. +sharedlib_from_linklib_cmd=$lt_sharedlib_from_linklib_cmd + +# The archiver. +AR=$lt_AR + +# Flags to create an archive. +AR_FLAGS=$lt_AR_FLAGS + +# How to feed a file listing to the archiver. +archiver_list_spec=$lt_archiver_list_spec + +# A symbol stripping program. +STRIP=$lt_STRIP + +# Commands used to install an old-style archive. +RANLIB=$lt_RANLIB +old_postinstall_cmds=$lt_old_postinstall_cmds +old_postuninstall_cmds=$lt_old_postuninstall_cmds + +# Whether to use a lock for old archive extraction. +lock_old_archive_extraction=$lock_old_archive_extraction + +# A C compiler. +LTCC=$lt_CC + +# LTCC compiler flags. +LTCFLAGS=$lt_CFLAGS + +# Take the output of nm and produce a listing of raw symbols and C names. +global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe + +# Transform the output of nm in a proper C declaration. +global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl + +# Transform the output of nm into a list of symbols to manually relocate. +global_symbol_to_import=$lt_lt_cv_sys_global_symbol_to_import + +# Transform the output of nm in a C name address pair. +global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address + +# Transform the output of nm in a C name address pair when lib prefix is needed. +global_symbol_to_c_name_address_lib_prefix=$lt_lt_cv_sys_global_symbol_to_c_name_address_lib_prefix + +# The name lister interface. +nm_interface=$lt_lt_cv_nm_interface + +# Specify filename containing input files for \$NM. +nm_file_list_spec=$lt_nm_file_list_spec + +# The root where to search for dependent libraries,and where our libraries should be installed. +lt_sysroot=$lt_sysroot + +# Command to truncate a binary pipe. +lt_truncate_bin=$lt_lt_cv_truncate_bin + +# The name of the directory that contains temporary libtool files. +objdir=$objdir + +# Used to examine libraries when file_magic_cmd begins with "file". +MAGIC_CMD=$MAGIC_CMD + +# Must we lock files when doing compilation? +need_locks=$lt_need_locks + +# Manifest tool. +MANIFEST_TOOL=$lt_MANIFEST_TOOL + +# Tool to manipulate archived DWARF debug symbol files on Mac OS X. +DSYMUTIL=$lt_DSYMUTIL + +# Tool to change global to local symbols on Mac OS X. +NMEDIT=$lt_NMEDIT + +# Tool to manipulate fat objects and archives on Mac OS X. +LIPO=$lt_LIPO + +# ldd/readelf like tool for Mach-O binaries on Mac OS X. +OTOOL=$lt_OTOOL + +# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4. +OTOOL64=$lt_OTOOL64 + +# Old archive suffix (normally "a"). +libext=$libext + +# Shared library suffix (normally ".so"). +shrext_cmds=$lt_shrext_cmds + +# The commands to extract the exported symbol list from a shared archive. +extract_expsyms_cmds=$lt_extract_expsyms_cmds + +# Variables whose values should be saved in libtool wrapper scripts and +# restored at link time. +variables_saved_for_relink=$lt_variables_saved_for_relink + +# Do we need the "lib" prefix for modules? +need_lib_prefix=$need_lib_prefix + +# Do we need a version for libraries? +need_version=$need_version + +# Library versioning type. +version_type=$version_type + +# Shared library runtime path variable. +runpath_var=$runpath_var + +# Shared library path variable. +shlibpath_var=$shlibpath_var + +# Is shlibpath searched before the hard-coded library search path? +shlibpath_overrides_runpath=$shlibpath_overrides_runpath + +# Format of library name prefix. +libname_spec=$lt_libname_spec + +# List of archive names. First name is the real one, the rest are links. +# The last name is the one that the linker finds with -lNAME +library_names_spec=$lt_library_names_spec + +# The coded name of the library, if different from the real name. +soname_spec=$lt_soname_spec + +# Permission mode override for installation of shared libraries. +install_override_mode=$lt_install_override_mode + +# Command to use after installation of a shared archive. +postinstall_cmds=$lt_postinstall_cmds + +# Command to use after uninstallation of a shared archive. +postuninstall_cmds=$lt_postuninstall_cmds + +# Commands used to finish a libtool library installation in a directory. +finish_cmds=$lt_finish_cmds + +# As "finish_cmds", except a single script fragment to be evaled but +# not shown. +finish_eval=$lt_finish_eval + +# Whether we should hardcode library paths into libraries. +hardcode_into_libs=$hardcode_into_libs + +# Compile-time system search path for libraries. +sys_lib_search_path_spec=$lt_sys_lib_search_path_spec + +# Detected run-time system search path for libraries. +sys_lib_dlsearch_path_spec=$lt_configure_time_dlsearch_path + +# Explicit LT_SYS_LIBRARY_PATH set during ./configure time. +configure_time_lt_sys_library_path=$lt_configure_time_lt_sys_library_path + +# Whether dlopen is supported. +dlopen_support=$enable_dlopen + +# Whether dlopen of programs is supported. +dlopen_self=$enable_dlopen_self + +# Whether dlopen of statically linked programs is supported. +dlopen_self_static=$enable_dlopen_self_static + +# Commands to strip libraries. +old_striplib=$lt_old_striplib +striplib=$lt_striplib + + +# The linker used to build libraries. +LD=$lt_LD + +# How to create reloadable object files. +reload_flag=$lt_reload_flag +reload_cmds=$lt_reload_cmds + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds + +# A language specific compiler. +CC=$lt_compiler + +# Is the compiler the GNU compiler? +with_gcc=$GCC + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds +archive_expsym_cmds=$lt_archive_expsym_cmds + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds +module_expsym_cmds=$lt_module_expsym_cmds + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \$shlibpath_var if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action + +# The directories searched by this compiler when creating a shared library. +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs + +# Dependencies to place before and after the objects being linked to +# create a shared library. +predep_objects=$lt_predep_objects +postdep_objects=$lt_postdep_objects +predeps=$lt_predeps +postdeps=$lt_postdeps + +# The library search path used internally by the compiler when linking +# a shared library. +compiler_lib_search_path=$lt_compiler_lib_search_path + +# ### END LIBTOOL CONFIG + +_LT_EOF + + cat <<'_LT_EOF' >> "$cfgfile" + +# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE + +# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x$2 in + x) + ;; + *:) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" + ;; + x:*) + eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" + ;; + *) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" + ;; + esac +} + + +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in $*""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} + + +# ### END FUNCTIONS SHARED WITH CONFIGURE + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + +ltmain=$ac_aux_dir/ltmain.sh + + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" + + + cat <<_LT_EOF >> "$ofile" + +# ### BEGIN LIBTOOL TAG CONFIG: CXX + +# The linker used to build libraries. +LD=$lt_LD_CXX + +# How to create reloadable object files. +reload_flag=$lt_reload_flag_CXX +reload_cmds=$lt_reload_cmds_CXX + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds_CXX + +# A language specific compiler. +CC=$lt_compiler_CXX + +# Is the compiler the GNU compiler? +with_gcc=$GCC_CXX + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_CXX + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic_CXX + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl_CXX + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static_CXX + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o_CXX + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc_CXX + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_CXX + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_CXX + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec_CXX + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object_CXX + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_CXX + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_CXX + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds_CXX +archive_expsym_cmds=$lt_archive_expsym_cmds_CXX + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds_CXX +module_expsym_cmds=$lt_module_expsym_cmds_CXX + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld_CXX + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag_CXX + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag_CXX + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct_CXX + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \$shlibpath_var if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute_CXX + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L_CXX + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var_CXX + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic_CXX + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath_CXX + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs_CXX + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols_CXX + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds_CXX + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms_CXX + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms_CXX + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds_CXX + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds_CXX + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec_CXX + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action_CXX + +# The directories searched by this compiler when creating a shared library. +compiler_lib_search_dirs=$lt_compiler_lib_search_dirs_CXX + +# Dependencies to place before and after the objects being linked to +# create a shared library. +predep_objects=$lt_predep_objects_CXX +postdep_objects=$lt_postdep_objects_CXX +predeps=$lt_predeps_CXX +postdeps=$lt_postdeps_CXX + +# The library search path used internally by the compiler when linking +# a shared library. +compiler_lib_search_path=$lt_compiler_lib_search_path_CXX + +# ### END LIBTOOL TAG CONFIG: CXX +_LT_EOF + + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/test/configure.ac b/test/configure.ac new file mode 100644 index 0000000..577ce5c --- /dev/null +++ b/test/configure.ac @@ -0,0 +1,22 @@ +AC_PREREQ(2.57) +AC_INIT([c-ares-test],[-],[-]) +AC_CONFIG_SRCDIR([ares-test.cc]) +AC_CONFIG_MACRO_DIR([../m4]) + +AM_INIT_AUTOMAKE([no-define]) +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) + +dnl Checks for programs. +AC_PROG_CXX +AX_CXX_COMPILE_STDCXX_11([noext],[mandatory]) +LT_INIT +AC_SUBST(LIBTOOL_DEPS) +AX_PTHREAD +AX_CODE_COVERAGE +AX_CHECK_USER_NAMESPACE +AX_CHECK_UTS_NAMESPACE + +AC_CHECK_HEADERS(netdb.h netinet/tcp.h) +AC_CONFIG_HEADERS([config.h]) +AC_CONFIG_FILES([Makefile]) +AC_OUTPUT diff --git a/test/dns-proto-test.cc b/test/dns-proto-test.cc new file mode 100644 index 0000000..0c36a0c --- /dev/null +++ b/test/dns-proto-test.cc @@ -0,0 +1,131 @@ +#include "ares-test.h" +#include "dns-proto.h" + +#include <vector> + +namespace ares { +namespace test { + +TEST(DNSProto, EncodeQuestions) { + DNSPacket pkt; + pkt.set_qid(0x1234).set_response().set_aa() + .add_question(new DNSQuestion("example.com.", ns_t_a)) + .add_question(new DNSQuestion("www.example.com", ns_t_aaaa, ns_c_chaos)); + + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x02, // num questions + 0x00, 0x00, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x00, // num additional RRs + // Question 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // type A + 0x00, 0x01, // class IN + // Question 2 + 0x03, 'w', 'w', 'w', + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x1C, // type AAAA = 28 + 0x00, 0x03, // class CHAOS = 3 + }; + EXPECT_EQ(data, pkt.data()); +} + +TEST(DNSProto, EncodeSingleNameAnswers) { + DNSPacket pkt; + pkt.qid_ = 0x1234; + pkt.response_ = true; + pkt.aa_ = true; + pkt.opcode_ = ns_o_query; + pkt.add_answer(new DNSCnameRR("example.com", 0x01020304, "other.com.")); + pkt.add_auth(new DNSPtrRR("www.example.com", 0x01020304, "www.other.com")); + + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x00, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x01, // num authority RRs + 0x00, 0x00, // num additional RRs + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x05, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x0B, // rdata length + 0x05, 'o', 't', 'h', 'e', 'r', + 0x03, 'c', 'o', 'm', + 0x00, + // Authority 1 + 0x03, 'w', 'w', 'w', + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x0c, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x0F, // rdata length + 0x03, 'w', 'w', 'w', + 0x05, 'o', 't', 'h', 'e', 'r', + 0x03, 'c', 'o', 'm', + 0x00, + }; + EXPECT_EQ(data, pkt.data()); +} + +TEST(DNSProto, EncodeAddressAnswers) { + DNSPacket pkt; + pkt.qid_ = 0x1234; + pkt.response_ = true; + pkt.aa_ = true; + pkt.opcode_ = ns_o_query; + std::vector<byte> addrv4 = {0x02, 0x03, 0x04, 0x05}; + pkt.add_answer(new DNSARR("example.com", 0x01020304, addrv4)); + byte addrv6[16] = {0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04}; + pkt.add_additional(new DNSAaaaRR("www.example.com", 0x01020304, addrv6, 16)); + + std::vector<byte> data = { + 0x12, 0x34, // qid + 0x84, // response + query + AA + not-TC + not-RD + 0x00, // not-RA + not-Z + not-AD + not-CD + rc=NoError + 0x00, 0x00, // num questions + 0x00, 0x01, // num answer RRs + 0x00, 0x00, // num authority RRs + 0x00, 0x01, // num additional RRs + // Answer 1 + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x01, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x04, // rdata length + 0x02, 0x03, 0x04, 0x05, + // Additional 1 + 0x03, 'w', 'w', 'w', + 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e', + 0x03, 'c', 'o', 'm', + 0x00, + 0x00, 0x1c, // RR type + 0x00, 0x01, // class IN + 0x01, 0x02, 0x03, 0x04, // TTL + 0x00, 0x10, // rdata length + 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, + 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04 + }; + EXPECT_EQ(data, pkt.data()); +} + + +} // namespace test +} // namespace ares diff --git a/test/dns-proto.cc b/test/dns-proto.cc new file mode 100644 index 0000000..8814d28 --- /dev/null +++ b/test/dns-proto.cc @@ -0,0 +1,634 @@ +#include "dns-proto.h" + +// Include ares internal file for DNS protocol details +#include "ares.h" +#include "ares_dns.h" + +#include <sstream> + +namespace ares { + +std::string HexDump(std::vector<byte> data) { + std::stringstream ss; + for (size_t ii = 0; ii < data.size(); ii++) { + char buffer[2 + 1]; + sprintf(buffer, "%02x", data[ii]); + ss << buffer; + } + return ss.str(); +} + +std::string HexDump(const byte *data, int len) { + return HexDump(std::vector<byte>(data, data + len)); +} + +std::string HexDump(const char *data, int len) { + return HexDump(reinterpret_cast<const byte*>(data), len); +} + +std::string StatusToString(int status) { + switch (status) { + case ARES_SUCCESS: return "ARES_SUCCESS"; + case ARES_ENODATA: return "ARES_ENODATA"; + case ARES_EFORMERR: return "ARES_EFORMERR"; + case ARES_ESERVFAIL: return "ARES_ESERVFAIL"; + case ARES_ENOTFOUND: return "ARES_ENOTFOUND"; + case ARES_ENOTIMP: return "ARES_ENOTIMP"; + case ARES_EREFUSED: return "ARES_EREFUSED"; + case ARES_EBADQUERY: return "ARES_EBADQUERY"; + case ARES_EBADNAME: return "ARES_EBADNAME"; + case ARES_EBADFAMILY: return "ARES_EBADFAMILY"; + case ARES_EBADRESP: return "ARES_EBADRESP"; + case ARES_ECONNREFUSED: return "ARES_ECONNREFUSED"; + case ARES_ETIMEOUT: return "ARES_ETIMEOUT"; + case ARES_EOF: return "ARES_EOF"; + case ARES_EFILE: return "ARES_EFILE"; + case ARES_ENOMEM: return "ARES_ENOMEM"; + case ARES_EDESTRUCTION: return "ARES_EDESTRUCTION"; + case ARES_EBADSTR: return "ARES_EBADSTR"; + case ARES_EBADFLAGS: return "ARES_EBADFLAGS"; + case ARES_ENONAME: return "ARES_ENONAME"; + case ARES_EBADHINTS: return "ARES_EBADHINTS"; + case ARES_ENOTINITIALIZED: return "ARES_ENOTINITIALIZED"; + case ARES_ELOADIPHLPAPI: return "ARES_ELOADIPHLPAPI"; + case ARES_EADDRGETNETWORKPARAMS: return "ARES_EADDRGETNETWORKPARAMS"; + case ARES_ECANCELLED: return "ARES_ECANCELLED"; + default: return "UNKNOWN"; + } +} + +std::string RcodeToString(int rcode) { + switch (rcode) { + case ns_r_noerror: return "NOERROR"; + case ns_r_formerr: return "FORMERR"; + case ns_r_servfail: return "SERVFAIL"; + case ns_r_nxdomain: return "NXDOMAIN"; + case ns_r_notimpl: return "NOTIMPL"; + case ns_r_refused: return "REFUSED"; + case ns_r_yxdomain: return "YXDOMAIN"; + case ns_r_yxrrset: return "YXRRSET"; + case ns_r_nxrrset: return "NXRRSET"; + case ns_r_notauth: return "NOTAUTH"; + case ns_r_notzone: return "NOTZONE"; + case ns_r_badsig: return "BADSIG"; + case ns_r_badkey: return "BADKEY"; + case ns_r_badtime: return "BADTIME"; + default: return "UNKNOWN"; + } +} + +std::string RRTypeToString(int rrtype) { + switch (rrtype) { + case ns_t_a: return "A"; + case ns_t_ns: return "NS"; + case ns_t_md: return "MD"; + case ns_t_mf: return "MF"; + case ns_t_cname: return "CNAME"; + case ns_t_soa: return "SOA"; + case ns_t_mb: return "MB"; + case ns_t_mg: return "MG"; + case ns_t_mr: return "MR"; + case ns_t_null: return "NULL"; + case ns_t_wks: return "WKS"; + case ns_t_ptr: return "PTR"; + case ns_t_hinfo: return "HINFO"; + case ns_t_minfo: return "MINFO"; + case ns_t_mx: return "MX"; + case ns_t_txt: return "TXT"; + case ns_t_rp: return "RP"; + case ns_t_afsdb: return "AFSDB"; + case ns_t_x25: return "X25"; + case ns_t_isdn: return "ISDN"; + case ns_t_rt: return "RT"; + case ns_t_nsap: return "NSAP"; + case ns_t_nsap_ptr: return "NSAP_PTR"; + case ns_t_sig: return "SIG"; + case ns_t_key: return "KEY"; + case ns_t_px: return "PX"; + case ns_t_gpos: return "GPOS"; + case ns_t_aaaa: return "AAAA"; + case ns_t_loc: return "LOC"; + case ns_t_nxt: return "NXT"; + case ns_t_eid: return "EID"; + case ns_t_nimloc: return "NIMLOC"; + case ns_t_srv: return "SRV"; + case ns_t_atma: return "ATMA"; + case ns_t_naptr: return "NAPTR"; + case ns_t_kx: return "KX"; + case ns_t_cert: return "CERT"; + case ns_t_a6: return "A6"; + case ns_t_dname: return "DNAME"; + case ns_t_sink: return "SINK"; + case ns_t_opt: return "OPT"; + case ns_t_apl: return "APL"; + case ns_t_ds: return "DS"; + case ns_t_sshfp: return "SSHFP"; + case ns_t_rrsig: return "RRSIG"; + case ns_t_nsec: return "NSEC"; + case ns_t_dnskey: return "DNSKEY"; + case ns_t_tkey: return "TKEY"; + case ns_t_tsig: return "TSIG"; + case ns_t_ixfr: return "IXFR"; + case ns_t_axfr: return "AXFR"; + case ns_t_mailb: return "MAILB"; + case ns_t_maila: return "MAILA"; + case ns_t_any: return "ANY"; + case ns_t_zxfr: return "ZXFR"; + case ns_t_max: return "MAX"; + default: return "UNKNOWN"; + } +} + +std::string ClassToString(int qclass) { + switch (qclass) { + case ns_c_in: return "IN"; + case ns_c_chaos: return "CHAOS"; + case ns_c_hs: return "HESIOD"; + case ns_c_none: return "NONE"; + case ns_c_any: return "ANY"; + default: return "UNKNOWN"; + } +} + +std::string AddressToString(const void* vaddr, int len) { + const byte* addr = reinterpret_cast<const byte*>(vaddr); + std::stringstream ss; + if (len == 4) { + char buffer[4*4 + 3 + 1]; + sprintf(buffer, "%u.%u.%u.%u", + (unsigned char)addr[0], + (unsigned char)addr[1], + (unsigned char)addr[2], + (unsigned char)addr[3]); + ss << buffer; + } else if (len == 16) { + for (int ii = 0; ii < 16; ii+=2) { + if (ii > 0) ss << ':'; + char buffer[4 + 1]; + sprintf(buffer, "%02x%02x", (unsigned char)addr[ii], (unsigned char)addr[ii+1]); + ss << buffer; + } + } else { + ss << "!" << HexDump(addr, len) << "!"; + } + return ss.str(); +} + +std::string PacketToString(const std::vector<byte>& packet) { + const byte* data = packet.data(); + int len = packet.size(); + std::stringstream ss; + if (len < NS_HFIXEDSZ) { + ss << "(too short, len " << len << ")"; + return ss.str(); + } + ss << ((DNS_HEADER_QR(data) == 0) ? "REQ " : "RSP "); + switch (DNS_HEADER_OPCODE(data)) { + case ns_o_query: ss << "QRY "; break; + case ns_o_iquery: ss << "IQRY "; break; + case ns_o_status: ss << "STATUS "; break; + case ns_o_notify: ss << "NOTIFY "; break; + case ns_o_update: ss << "UPDATE "; break; + default: ss << "UNKNOWN(" << DNS_HEADER_OPCODE(data) << ") "; break; + } + if (DNS_HEADER_AA(data)) ss << "AA "; + if (DNS_HEADER_TC(data)) ss << "TC "; + if (DNS_HEADER_RD(data)) ss << "RD "; + if (DNS_HEADER_RA(data)) ss << "RA "; + if (DNS_HEADER_Z(data)) ss << "Z "; + if (DNS_HEADER_QR(data) == 1) ss << RcodeToString(DNS_HEADER_RCODE(data)); + + int nquestions = DNS_HEADER_QDCOUNT(data); + int nanswers = DNS_HEADER_ANCOUNT(data); + int nauths = DNS_HEADER_NSCOUNT(data); + int nadds = DNS_HEADER_ARCOUNT(data); + + const byte* pq = data + NS_HFIXEDSZ; + len -= NS_HFIXEDSZ; + for (int ii = 0; ii < nquestions; ii++) { + ss << " Q:" << QuestionToString(packet, &pq, &len); + } + const byte* prr = pq; + for (int ii = 0; ii < nanswers; ii++) { + ss << " A:" << RRToString(packet, &prr, &len); + } + for (int ii = 0; ii < nauths; ii++) { + ss << " AUTH:" << RRToString(packet, &prr, &len); + } + for (int ii = 0; ii < nadds; ii++) { + ss << " ADD:" << RRToString(packet, &prr, &len); + } + return ss.str(); +} + +std::string QuestionToString(const std::vector<byte>& packet, + const byte** data, int* len) { + std::stringstream ss; + ss << "{"; + if (*len < NS_QFIXEDSZ) { + ss << "(too short, len " << *len << ")"; + return ss.str(); + } + + char *name = nullptr; + long enclen; + int rc = ares_expand_name(*data, packet.data(), packet.size(), &name, &enclen); + if (rc != ARES_SUCCESS) { + ss << "(error from ares_expand_name)"; + return ss.str(); + } + if (enclen > *len) { + ss << "(error, encoded name len " << enclen << "bigger than remaining data " << *len << " bytes)"; + return ss.str(); + } + *len -= enclen; + *data += enclen; + ss << "'" << name << "' "; + free(name); + if (*len < NS_QFIXEDSZ) { + ss << "(too short, len left " << *len << ")"; + return ss.str(); + } + ss << ClassToString(DNS_QUESTION_CLASS(*data)) << " "; + ss << RRTypeToString(DNS_QUESTION_TYPE(*data)); + *data += NS_QFIXEDSZ; + *len -= NS_QFIXEDSZ; + ss << "}"; + return ss.str(); +} + +std::string RRToString(const std::vector<byte>& packet, + const byte** data, int* len) { + std::stringstream ss; + ss << "{"; + if (*len < NS_RRFIXEDSZ) { + ss << "too short, len " << *len << ")"; + return ss.str(); + } + + char *name = nullptr; + long enclen; + int rc = ares_expand_name(*data, packet.data(), packet.size(), &name, &enclen); + if (rc != ARES_SUCCESS) { + ss << "(error from ares_expand_name)"; + return ss.str(); + } + if (enclen > *len) { + ss << "(error, encoded name len " << enclen << "bigger than remaining data " << *len << " bytes)"; + return ss.str(); + } + *len -= enclen; + *data += enclen; + ss << "'" << name << "' "; + free(name); + name = nullptr; + + if (*len < NS_RRFIXEDSZ) { + ss << "(too short, len left " << *len << ")"; + return ss.str(); + } + int rrtype = DNS_RR_TYPE(*data); + if (rrtype == ns_t_opt) { + ss << "MAXUDP=" << DNS_RR_CLASS(*data) << " "; + ss << RRTypeToString(rrtype) << " "; + ss << "RCODE2=" << DNS_RR_TTL(*data); + } else { + ss << ClassToString(DNS_RR_CLASS(*data)) << " "; + ss << RRTypeToString(rrtype) << " "; + ss << "TTL=" << DNS_RR_TTL(*data); + } + int rdatalen = DNS_RR_LEN(*data); + + *data += NS_RRFIXEDSZ; + *len -= NS_RRFIXEDSZ; + if (*len < rdatalen) { + ss << "(RR too long at " << rdatalen << ", len left " << *len << ")"; + } else { + switch (rrtype) { + case ns_t_a: + case ns_t_aaaa: + ss << " " << AddressToString(*data, rdatalen); + break; + case ns_t_txt: { + const byte* p = *data; + while (p < (*data + rdatalen)) { + int len = *p++; + if ((p + len) <= (*data + rdatalen)) { + std::string txt(p, p + len); + ss << " " << len << ":'" << txt << "'"; + } else { + ss << "(string too long)"; + } + p += len; + } + break; + } + case ns_t_cname: + case ns_t_ns: + case ns_t_ptr: { + int rc = ares_expand_name(*data, packet.data(), packet.size(), &name, &enclen); + if (rc != ARES_SUCCESS) { + ss << "(error from ares_expand_name)"; + break; + } + ss << " '" << name << "'"; + free(name); + break; + } + case ns_t_mx: + if (rdatalen > 2) { + int rc = ares_expand_name(*data + 2, packet.data(), packet.size(), &name, &enclen); + if (rc != ARES_SUCCESS) { + ss << "(error from ares_expand_name)"; + break; + } + ss << " " << DNS__16BIT(*data) << " '" << name << "'"; + free(name); + } else { + ss << "(RR too short)"; + } + break; + case ns_t_srv: { + if (rdatalen > 6) { + const byte* p = *data; + unsigned long prio = DNS__16BIT(p); + unsigned long weight = DNS__16BIT(p + 2); + unsigned long port = DNS__16BIT(p + 4); + p += 6; + int rc = ares_expand_name(p, packet.data(), packet.size(), &name, &enclen); + if (rc != ARES_SUCCESS) { + ss << "(error from ares_expand_name)"; + break; + } + ss << prio << " " << weight << " " << port << " '" << name << "'"; + free(name); + } else { + ss << "(RR too short)"; + } + break; + } + case ns_t_soa: { + const byte* p = *data; + int rc = ares_expand_name(p, packet.data(), packet.size(), &name, &enclen); + if (rc != ARES_SUCCESS) { + ss << "(error from ares_expand_name)"; + break; + } + ss << " '" << name << "'"; + free(name); + p += enclen; + rc = ares_expand_name(p, packet.data(), packet.size(), &name, &enclen); + if (rc != ARES_SUCCESS) { + ss << "(error from ares_expand_name)"; + break; + } + ss << " '" << name << "'"; + free(name); + p += enclen; + if ((p + 20) <= (*data + rdatalen)) { + unsigned long serial = DNS__32BIT(p); + unsigned long refresh = DNS__32BIT(p + 4); + unsigned long retry = DNS__32BIT(p + 8); + unsigned long expire = DNS__32BIT(p + 12); + unsigned long minimum = DNS__32BIT(p + 16); + ss << " " << serial << " " << refresh << " " << retry << " " << expire << " " << minimum; + } else { + ss << "(RR too short)"; + } + break; + } + case ns_t_naptr: { + if (rdatalen > 7) { + const byte* p = *data; + unsigned long order = DNS__16BIT(p); + unsigned long pref = DNS__16BIT(p + 2); + p += 4; + ss << order << " " << pref; + + int len = *p++; + std::string flags(p, p + len); + ss << " " << flags; + p += len; + + len = *p++; + std::string service(p, p + len); + ss << " '" << service << "'"; + p += len; + + len = *p++; + std::string regexp(p, p + len); + ss << " '" << regexp << "'"; + p += len; + + int rc = ares_expand_name(p, packet.data(), packet.size(), &name, &enclen); + if (rc != ARES_SUCCESS) { + ss << "(error from ares_expand_name)"; + break; + } + ss << " '" << name << "'"; + free(name); + } else { + ss << "(RR too short)"; + } + break; + } + default: + ss << " " << HexDump(*data, rdatalen); + break; + } + } + *data += rdatalen; + *len -= rdatalen; + + ss << "}"; + return ss.str(); +} + +void PushInt32(std::vector<byte>* data, int value) { + data->push_back((value & 0xff000000) >> 24); + data->push_back((value & 0x00ff0000) >> 16); + data->push_back((value & 0x0000ff00) >> 8); + data->push_back(value & 0x000000ff); +} + +void PushInt16(std::vector<byte>* data, int value) { + data->push_back((value & 0xff00) >> 8); + data->push_back(value & 0x00ff); +} + +std::vector<byte> EncodeString(const std::string& name) { + std::vector<byte> data; + std::stringstream ss(name); + std::string label; + // TODO: cope with escapes + while (std::getline(ss, label, '.')) { + data.push_back(label.length()); + data.insert(data.end(), label.begin(), label.end()); + } + data.push_back(0); + return data; +} + +std::vector<byte> DNSQuestion::data() const { + std::vector<byte> data; + std::vector<byte> encname = EncodeString(name_); + data.insert(data.end(), encname.begin(), encname.end()); + PushInt16(&data, rrtype_); + PushInt16(&data, qclass_); + return data; +} + +std::vector<byte> DNSRR::data() const { + std::vector<byte> data = DNSQuestion::data(); + PushInt32(&data, ttl_); + return data; +} + +std::vector<byte> DNSSingleNameRR::data() const { + std::vector<byte> data = DNSRR::data(); + std::vector<byte> encname = EncodeString(other_); + int len = encname.size(); + PushInt16(&data, len); + data.insert(data.end(), encname.begin(), encname.end()); + return data; +} + +std::vector<byte> DNSTxtRR::data() const { + std::vector<byte> data = DNSRR::data(); + int len = 0; + for (const std::string& txt : txt_) { + len += (1 + txt.size()); + } + PushInt16(&data, len); + for (const std::string& txt : txt_) { + data.push_back(txt.size()); + data.insert(data.end(), txt.begin(), txt.end()); + } + return data; +} + +std::vector<byte> DNSMxRR::data() const { + std::vector<byte> data = DNSRR::data(); + std::vector<byte> encname = EncodeString(other_); + int len = 2 + encname.size(); + PushInt16(&data, len); + PushInt16(&data, pref_); + data.insert(data.end(), encname.begin(), encname.end()); + return data; +} + +std::vector<byte> DNSSrvRR::data() const { + std::vector<byte> data = DNSRR::data(); + std::vector<byte> encname = EncodeString(target_); + int len = 6 + encname.size(); + PushInt16(&data, len); + PushInt16(&data, prio_); + PushInt16(&data, weight_); + PushInt16(&data, port_); + data.insert(data.end(), encname.begin(), encname.end()); + return data; +} + +std::vector<byte> DNSAddressRR::data() const { + std::vector<byte> data = DNSRR::data(); + int len = addr_.size(); + PushInt16(&data, len); + data.insert(data.end(), addr_.begin(), addr_.end()); + return data; +} + +std::vector<byte> DNSSoaRR::data() const { + std::vector<byte> data = DNSRR::data(); + std::vector<byte> encname1 = EncodeString(nsname_); + std::vector<byte> encname2 = EncodeString(rname_); + int len = encname1.size() + encname2.size() + 5*4; + PushInt16(&data, len); + data.insert(data.end(), encname1.begin(), encname1.end()); + data.insert(data.end(), encname2.begin(), encname2.end()); + PushInt32(&data, serial_); + PushInt32(&data, refresh_); + PushInt32(&data, retry_); + PushInt32(&data, expire_); + PushInt32(&data, minimum_); + return data; +} + +std::vector<byte> DNSOptRR::data() const { + std::vector<byte> data = DNSRR::data(); + int len = 0; + for (const DNSOption& opt : opts_) { + len += (4 + opt.data_.size()); + } + PushInt16(&data, len); + for (const DNSOption& opt : opts_) { + PushInt16(&data, opt.code_); + PushInt16(&data, opt.data_.size()); + data.insert(data.end(), opt.data_.begin(), opt.data_.end()); + } + return data; +} + +std::vector<byte> DNSNaptrRR::data() const { + std::vector<byte> data = DNSRR::data(); + std::vector<byte> encname = EncodeString(replacement_); + int len = (4 + 1 + flags_.size() + 1 + service_.size() + 1 + regexp_.size() + encname.size()); + PushInt16(&data, len); + PushInt16(&data, order_); + PushInt16(&data, pref_); + data.push_back(flags_.size()); + data.insert(data.end(), flags_.begin(), flags_.end()); + data.push_back(service_.size()); + data.insert(data.end(), service_.begin(), service_.end()); + data.push_back(regexp_.size()); + data.insert(data.end(), regexp_.begin(), regexp_.end()); + data.insert(data.end(), encname.begin(), encname.end()); + return data; +} + +std::vector<byte> DNSPacket::data() const { + std::vector<byte> data; + PushInt16(&data, qid_); + byte b = 0x00; + if (response_) b |= 0x80; + b |= ((opcode_ & 0x0f) << 3); + if (aa_) b |= 0x04; + if (tc_) b |= 0x02; + if (rd_) b |= 0x01; + data.push_back(b); + b = 0x00; + if (ra_) b |= 0x80; + if (z_) b |= 0x40; + if (ad_) b |= 0x20; + if (cd_) b |= 0x10; + b |= (rcode_ & 0x0f); + data.push_back(b); + + int count = questions_.size(); + PushInt16(&data, count); + count = answers_.size(); + PushInt16(&data, count); + count = auths_.size(); + PushInt16(&data, count); + count = adds_.size(); + PushInt16(&data, count); + + for (const std::unique_ptr<DNSQuestion>& question : questions_) { + std::vector<byte> qdata = question->data(); + data.insert(data.end(), qdata.begin(), qdata.end()); + } + for (const std::unique_ptr<DNSRR>& rr : answers_) { + std::vector<byte> rrdata = rr->data(); + data.insert(data.end(), rrdata.begin(), rrdata.end()); + } + for (const std::unique_ptr<DNSRR>& rr : auths_) { + std::vector<byte> rrdata = rr->data(); + data.insert(data.end(), rrdata.begin(), rrdata.end()); + } + for (const std::unique_ptr<DNSRR>& rr : adds_) { + std::vector<byte> rrdata = rr->data(); + data.insert(data.end(), rrdata.begin(), rrdata.end()); + } + return data; +} + +} // namespace ares diff --git a/test/dns-proto.h b/test/dns-proto.h new file mode 100644 index 0000000..346711d --- /dev/null +++ b/test/dns-proto.h @@ -0,0 +1,242 @@ +// -*- mode: c++ -*- +#ifndef DNS_PROTO_H +#define DNS_PROTO_H +// Utilities for processing DNS packet contents + +// Include ares internal file for DNS protocol constants +#include "nameser.h" + +#include <memory> +#include <string> +#include <vector> + +namespace ares { + +typedef unsigned char byte; + +std::string HexDump(std::vector<byte> data); +std::string HexDump(const byte *data, int len); +std::string HexDump(const char *data, int len); + +std::string StatusToString(int status); +std::string RcodeToString(int rcode); +std::string RRTypeToString(int rrtype); +std::string ClassToString(int qclass); +std::string AddressToString(const void* addr, int len); + +// Convert DNS protocol data to strings. +// Note that these functions are not defensive; they assume +// a validly formatted input, and so should not be used on +// externally-determined inputs. +std::string PacketToString(const std::vector<byte>& packet); +std::string QuestionToString(const std::vector<byte>& packet, + const byte** data, int* len); +std::string RRToString(const std::vector<byte>& packet, + const byte** data, int* len); + + +// Manipulate DNS protocol data. +void PushInt32(std::vector<byte>* data, int value); +void PushInt16(std::vector<byte>* data, int value); +std::vector<byte> EncodeString(const std::string& name); + +struct DNSQuestion { + DNSQuestion(const std::string& name, ns_type rrtype, ns_class qclass) + : name_(name), rrtype_(rrtype), qclass_(qclass) {} + DNSQuestion(const std::string& name, ns_type rrtype) + : name_(name), rrtype_(rrtype), qclass_(ns_c_in) {} + virtual ~DNSQuestion() {} + virtual std::vector<byte> data() const; + std::string name_; + ns_type rrtype_; + ns_class qclass_; +}; + +struct DNSRR : public DNSQuestion { + DNSRR(const std::string& name, ns_type rrtype, ns_class qclass, int ttl) + : DNSQuestion(name, rrtype, qclass), ttl_(ttl) {} + DNSRR(const std::string& name, ns_type rrtype, int ttl) + : DNSQuestion(name, rrtype), ttl_(ttl) {} + virtual ~DNSRR() {} + virtual std::vector<byte> data() const = 0; + int ttl_; +}; + +struct DNSAddressRR : public DNSRR { + DNSAddressRR(const std::string& name, ns_type rrtype, int ttl, + const byte* addr, int addrlen) + : DNSRR(name, rrtype, ttl), addr_(addr, addr + addrlen) {} + DNSAddressRR(const std::string& name, ns_type rrtype, int ttl, + const std::vector<byte>& addr) + : DNSRR(name, rrtype, ttl), addr_(addr) {} + virtual std::vector<byte> data() const; + std::vector<byte> addr_; +}; + +struct DNSARR : public DNSAddressRR { + DNSARR(const std::string& name, int ttl, const byte* addr, int addrlen) + : DNSAddressRR(name, ns_t_a, ttl, addr, addrlen) {} + DNSARR(const std::string& name, int ttl, const std::vector<byte>& addr) + : DNSAddressRR(name, ns_t_a, ttl, addr) {} +}; + +struct DNSAaaaRR : public DNSAddressRR { + DNSAaaaRR(const std::string& name, int ttl, const byte* addr, int addrlen) + : DNSAddressRR(name, ns_t_aaaa, ttl, addr, addrlen) {} + DNSAaaaRR(const std::string& name, int ttl, const std::vector<byte>& addr) + : DNSAddressRR(name, ns_t_aaaa, ttl, addr) {} +}; + +struct DNSSingleNameRR : public DNSRR { + DNSSingleNameRR(const std::string& name, ns_type rrtype, int ttl, + const std::string& other) + : DNSRR(name, rrtype, ttl), other_(other) {} + virtual std::vector<byte> data() const; + std::string other_; +}; + +struct DNSCnameRR : public DNSSingleNameRR { + DNSCnameRR(const std::string& name, int ttl, const std::string& other) + : DNSSingleNameRR(name, ns_t_cname, ttl, other) {} +}; + +struct DNSNsRR : public DNSSingleNameRR { + DNSNsRR(const std::string& name, int ttl, const std::string& other) + : DNSSingleNameRR(name, ns_t_ns, ttl, other) {} +}; + +struct DNSPtrRR : public DNSSingleNameRR { + DNSPtrRR(const std::string& name, int ttl, const std::string& other) + : DNSSingleNameRR(name, ns_t_ptr, ttl, other) {} +}; + +struct DNSTxtRR : public DNSRR { + DNSTxtRR(const std::string& name, int ttl, const std::vector<std::string>& txt) + : DNSRR(name, ns_t_txt, ttl), txt_(txt) {} + virtual std::vector<byte> data() const; + std::vector<std::string> txt_; +}; + +struct DNSMxRR : public DNSRR { + DNSMxRR(const std::string& name, int ttl, int pref, const std::string& other) + : DNSRR(name, ns_t_mx, ttl), pref_(pref), other_(other) {} + virtual std::vector<byte> data() const; + int pref_; + std::string other_; +}; + +struct DNSSrvRR : public DNSRR { + DNSSrvRR(const std::string& name, int ttl, + int prio, int weight, int port, const std::string& target) + : DNSRR(name, ns_t_srv, ttl), prio_(prio), weight_(weight), port_(port), target_(target) {} + virtual std::vector<byte> data() const; + int prio_; + int weight_; + int port_; + std::string target_; +}; + +struct DNSSoaRR : public DNSRR { + DNSSoaRR(const std::string& name, int ttl, + const std::string& nsname, const std::string& rname, + int serial, int refresh, int retry, int expire, int minimum) + : DNSRR(name, ns_t_soa, ttl), nsname_(nsname), rname_(rname), + serial_(serial), refresh_(refresh), retry_(retry), + expire_(expire), minimum_(minimum) {} + virtual std::vector<byte> data() const; + std::string nsname_; + std::string rname_; + int serial_; + int refresh_; + int retry_; + int expire_; + int minimum_; +}; + +struct DNSNaptrRR : public DNSRR { + DNSNaptrRR(const std::string& name, int ttl, + int order, int pref, + const std::string& flags, + const std::string& service, + const std::string& regexp, + const std::string& replacement) + : DNSRR(name, ns_t_naptr, ttl), order_(order), pref_(pref), + flags_(flags), service_(service), regexp_(regexp), replacement_(replacement) {} + virtual std::vector<byte> data() const; + int order_; + int pref_; + std::string flags_; + std::string service_; + std::string regexp_; + std::string replacement_; +}; + +struct DNSOption { + int code_; + std::vector<byte> data_; +}; + +struct DNSOptRR : public DNSRR { + DNSOptRR(int extrcode, int udpsize) + : DNSRR("", ns_t_opt, static_cast<ns_class>(udpsize), extrcode) {} + virtual std::vector<byte> data() const; + std::vector<DNSOption> opts_; +}; + +struct DNSPacket { + DNSPacket() + : qid_(0), response_(false), opcode_(ns_o_query), + aa_(false), tc_(false), rd_(false), ra_(false), + z_(false), ad_(false), cd_(false), rcode_(ns_r_noerror) {} + // Convenience functions that take ownership of given pointers. + DNSPacket& add_question(DNSQuestion *q) { + questions_.push_back(std::unique_ptr<DNSQuestion>(q)); + return *this; + } + DNSPacket& add_answer(DNSRR *q) { + answers_.push_back(std::unique_ptr<DNSRR>(q)); + return *this; + } + DNSPacket& add_auth(DNSRR *q) { + auths_.push_back(std::unique_ptr<DNSRR>(q)); + return *this; + } + DNSPacket& add_additional(DNSRR *q) { + adds_.push_back(std::unique_ptr<DNSRR>(q)); + return *this; + } + // Chainable setters. + DNSPacket& set_qid(int qid) { qid_ = qid; return *this; } + DNSPacket& set_response(bool v = true) { response_ = v; return *this; } + DNSPacket& set_aa(bool v = true) { aa_ = v; return *this; } + DNSPacket& set_tc(bool v = true) { tc_ = v; return *this; } + DNSPacket& set_rd(bool v = true) { rd_ = v; return *this; } + DNSPacket& set_ra(bool v = true) { ra_ = v; return *this; } + DNSPacket& set_z(bool v = true) { z_ = v; return *this; } + DNSPacket& set_ad(bool v = true) { ad_ = v; return *this; } + DNSPacket& set_cd(bool v = true) { cd_ = v; return *this; } + DNSPacket& set_rcode(ns_rcode rcode) { rcode_ = rcode; return *this; } + + // Return the encoded packet. + std::vector<byte> data() const; + + int qid_; + bool response_; + ns_opcode opcode_; + bool aa_; + bool tc_; + bool rd_; + bool ra_; + bool z_; + bool ad_; + bool cd_; + ns_rcode rcode_; + std::vector<std::unique_ptr<DNSQuestion>> questions_; + std::vector<std::unique_ptr<DNSRR>> answers_; + std::vector<std::unique_ptr<DNSRR>> auths_; + std::vector<std::unique_ptr<DNSRR>> adds_; +}; + +} // namespace ares + +#endif diff --git a/test/gmock-1.7.0/gtest/src/gtest-all.cc b/test/gmock-1.7.0/gtest/src/gtest-all.cc new file mode 100644 index 0000000..0a9cee5 --- /dev/null +++ b/test/gmock-1.7.0/gtest/src/gtest-all.cc @@ -0,0 +1,48 @@ +// Copyright 2008, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Author: mheule@google.com (Markus Heule) +// +// Google C++ Testing Framework (Google Test) +// +// Sometimes it's desirable to build Google Test by compiling a single file. +// This file serves this purpose. + +// This line ensures that gtest.h can be compiled on its own, even +// when it's fused. +#include "gtest/gtest.h" + +// The following lines pull in the real gtest *.cc files. +#include "src/gtest.cc" +#include "src/gtest-death-test.cc" +#include "src/gtest-filepath.cc" +#include "src/gtest-port.cc" +#include "src/gtest-printers.cc" +#include "src/gtest-test-part.cc" +#include "src/gtest-typed-test.cc" diff --git a/test/gmock-1.7.0/src/gmock-all.cc b/test/gmock-1.7.0/src/gmock-all.cc new file mode 100644 index 0000000..7aebce7 --- /dev/null +++ b/test/gmock-1.7.0/src/gmock-all.cc @@ -0,0 +1,47 @@ +// Copyright 2008, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Author: wan@google.com (Zhanyong Wan) +// +// Google C++ Mocking Framework (Google Mock) +// +// This file #includes all Google Mock implementation .cc files. The +// purpose is to allow a user to build Google Mock by compiling this +// file alone. + +// This line ensures that gmock.h can be compiled on its own, even +// when it's fused. +#include "gmock/gmock.h" + +// The following lines pull in the real gmock *.cc files. +#include "src/gmock-cardinalities.cc" +#include "src/gmock-internal-utils.cc" +#include "src/gmock-matchers.cc" +#include "src/gmock-spec-builders.cc" +#include "src/gmock.cc" |