## Process this file with autoconf to produce configure. ## In general, the safest way to proceed is to run the following: ## % aclocal -I . -I `pwd`/../autoconf && autoheader && autoconf && automake # make sure we're interpreted by some minimal autoconf AC_PREREQ(2.57) AC_INIT(glog, 0.3.3, opensource@google.com) # The argument here is just something that should be in the current directory # (for sanity checking) AC_CONFIG_SRCDIR(README) AC_CONFIG_MACRO_DIR([m4]) AM_INIT_AUTOMAKE AM_CONFIG_HEADER(src/config.h) AC_LANG(C++) # Checks for programs. AC_PROG_CC AC_PROG_CPP AC_PROG_CXX AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc AC_PROG_LIBTOOL AC_SUBST(LIBTOOL_DEPS) # Check whether some low-level functions/files are available AC_HEADER_STDC # These are tested for by AC_HEADER_STDC, but I check again to set the var AC_CHECK_HEADER(stdint.h, ac_cv_have_stdint_h=1, ac_cv_have_stdint_h=0) AC_CHECK_HEADER(sys/types.h, ac_cv_have_systypes_h=1, ac_cv_have_systypes_h=0) AC_CHECK_HEADER(inttypes.h, ac_cv_have_inttypes_h=1, ac_cv_have_inttypes_h=0) AC_CHECK_HEADERS(unistd.h, ac_cv_have_unistd_h=1, ac_cv_have_unistd_h=0) AC_CHECK_HEADERS(syscall.h) AC_CHECK_HEADERS(sys/syscall.h) # For backtrace with glibc. AC_CHECK_HEADERS(execinfo.h) # For backtrace with libunwind. AC_CHECK_HEADERS(libunwind.h, ac_cv_have_libunwind_h=1, ac_cv_have_libunwind_h=0) AC_CHECK_HEADERS(ucontext.h) AC_CHECK_HEADERS(sys/utsname.h) AC_CHECK_HEADERS(pwd.h) AC_CHECK_HEADERS(syslog.h) AC_CHECK_HEADERS(sys/time.h) AC_CHECK_HEADERS(glob.h) # For backtrace with gcc. AC_CHECK_HEADERS(unwind.h) AC_CHECK_HEADER(windows.h, ac_cv_have_windows_h=1, ac_cv_have_windows_h=0) if test x"$ac_cv_have_windows_h" = x"1"; then MINGW_CFLAGS=-Isrc/windows fi AC_CHECK_SIZEOF(void *) # These are the types I need. We look for them in either stdint.h, # sys/types.h, or inttypes.h, all of which are part of the default-includes. AC_CHECK_TYPE(uint16_t, ac_cv_have_uint16_t=1, ac_cv_have_uint16_t=0) AC_CHECK_TYPE(u_int16_t, ac_cv_have_u_int16_t=1, ac_cv_have_u_int16_t=0) AC_CHECK_TYPE(__uint16, ac_cv_have___uint16=1, ac_cv_have___uint16=0) AC_CHECK_FUNC(sigaltstack, AC_DEFINE(HAVE_SIGALTSTACK, 1, [Define if you have the `sigaltstack' function])) AC_CHECK_FUNC(sigaction, AC_DEFINE(HAVE_SIGACTION, 1, [Define if you have the 'sigaction' function])) AC_CHECK_FUNC(dladdr, AC_DEFINE(HAVE_DLADDR, 1, [Define if you have the `dladdr' function])) AC_CHECK_FUNC(fcntl, AC_DEFINE(HAVE_FCNTL, 1, [Define if you have the `fcntl' function])) AC_CHECK_FUNC(pread, AC_DEFINE(HAVE_PREAD, 1, [Define if you have the 'pread' function])) AC_CHECK_FUNC(pwrite, AC_DEFINE(HAVE_PWRITE, 1, [Define if you have the 'pwrite' function])) AX_C___ATTRIBUTE__ # We only care about these two attributes. if test x"$ac_cv___attribute__" = x"yes"; then ac_cv___attribute___noreturn="__attribute__ ((noreturn))" ac_cv___attribute___noinline="__attribute__ ((noinline))" ac_cv___attribute___printf_4_5="__attribute__((__format__ (__printf__, 4, 5)))" else ac_cv___attribute___noreturn= ac_cv___attribute___noinline= ac_cv___attribute___printf_4_5= fi AX_C___BUILTIN_EXPECT if test x"$ac_cv___builtin_expect" = x"yes"; then ac_cv_have___builtin_expect=1 else ac_cv_have___builtin_expect=0 fi AX_C___SYNC_VAL_COMPARE_AND_SWAP # On x86_64, instead of libunwind, we can choose to compile with frame-pointers # (This isn't needed on i386, where -fno-omit-frame-pointer is the default). AC_ARG_ENABLE(frame_pointers, AS_HELP_STRING([--enable-frame-pointers], [On x86_64 systems, compile with -fno-omit-frame-pointer (see INSTALL)]),, enable_frame_pointers=no) AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __x86_64__ == 1 ? 0 : 1])], [is_x86_64=yes], [is_x86_64=no]) AM_CONDITIONAL(ENABLE_FRAME_POINTERS, test "$enable_frame_pointers" = yes) AM_CONDITIONAL(X86_64, test "$is_x86_64" = yes) AC_ARG_ENABLE(rtti, AS_HELP_STRING([--disable-rtti], [Disable RTTI in glog])) AM_CONDITIONAL(DISABLE_RTTI, test x"$enable_rtti" = x"no") if test x"$enable_rtti" = x"no"; then AC_DEFINE(DISABLE_RTTI, 1, [define if glog doesn't use RTTI]) fi # Some of the code in this directory depends on pthreads ACX_PTHREAD if test x"$acx_pthread_ok" = x"yes"; then # To make libglog depend on libpthread on Linux, we need to add # -lpthread in addition to -pthread. AC_CHECK_LIB(pthread, pthread_self) fi # Check if there is google-gflags library installed. SAVE_CFLAGS="$CFLAGS" SAVE_LIBS="$LIBS" AC_ARG_WITH(gflags, AS_HELP_STRING[--with-gflags=GFLAGS_DIR], GFLAGS_CFLAGS="-I${with_gflags}/include" GFLAGS_LIBS="-L${with_gflags}/lib -lgflags" CFLAGS="$CFLAGS $GFLAGS_CFLAGS" LIBS="$LIBS $GFLAGS_LIBS" ) AC_CHECK_LIB(gflags, main, ac_cv_have_libgflags=1, ac_cv_have_libgflags=0) if test x"$ac_cv_have_libgflags" = x"1"; then AC_DEFINE(HAVE_LIB_GFLAGS, 1, [define if you have google gflags library]) if test x"$GFLAGS_LIBS" = x""; then GFLAGS_LIBS="-lgflags" fi else GFLAGS_CFLAGS= GFLAGS_LIBS= fi CFLAGS="$SAVE_CFLAGS" LIBS="$SAVE_LIBS" # TODO(hamaji): Use official m4 macros provided by testing libraries # once the m4 macro of Google Mocking becomes ready. # Check if there is Google Test library installed. AC_CHECK_PROG(GTEST_CONFIG, gtest-config, "yes") AC_CHECK_LIB(gtest, main, have_gtest_lib="yes") if test x"$GTEST_CONFIG" = "xyes" -a x"$have_gtest_lib" = "xyes"; then GTEST_CFLAGS=`gtest-config --cppflags --cxxflags` GTEST_LIBS=`gtest-config --ldflags --libs` AC_DEFINE(HAVE_LIB_GTEST, 1, [define if you have google gtest library]) # Check if there is Google Mocking library installed. AC_CHECK_PROG(GMOCK_CONFIG, gmock-config, "yes") if test x"$GMOCK_CONFIG" = "xyes"; then GMOCK_CFLAGS=`gmock-config --cppflags --cxxflags` GMOCK_LIBS=`gmock-config --ldflags --libs` AC_DEFINE(HAVE_LIB_GMOCK, 1, [define if you have google gmock library]) else # We don't run test cases which use Google Mocking framework. GMOCK_CFLAGS= GMOCK_LIBS= fi else # We'll use src/googletest.h for our unittests. GTEST_CFLAGS= GTEST_LIBS= fi AM_CONDITIONAL(HAVE_GMOCK, test x"$GMOCK_CONFIG" = "xyes") # We want to link in libunwind if it exists UNWIND_LIBS= # Unfortunately, we need to check the header file in addition to the # lib file to check if libunwind is available since libunwind-0.98 # doesn't install all necessary header files. if test x"$ac_cv_have_libunwind_h" = x"1"; then AC_CHECK_LIB(unwind, backtrace, UNWIND_LIBS=-lunwind) fi AC_SUBST(UNWIND_LIBS) if test x"$UNWIND_LIBS" != x""; then AC_DEFINE(HAVE_LIB_UNWIND, 1, [define if you have libunwind]) fi # We'd like to use read/write locks in several places in the code. # See if our pthreads support extends to that. Note: for linux, it # does as long as you define _XOPEN_SOURCE appropriately. AC_RWLOCK # Find out what namespace 'normal' STL code lives in, and also what namespace # the user wants our classes to be defined in AC_CXX_STL_NAMESPACE AC_DEFINE_GOOGLE_NAMESPACE(google) AC_CXX_USING_OPERATOR AC_PC_FROM_UCONTEXT(AC_MSG_WARN(Could not find the PC. Will not output failed addresses...)) AC_DEFINE_UNQUOTED(TEST_SRC_DIR, "$srcdir", [location of source code]) # These are what's needed by logging.h.in and raw_logging.h.in AC_SUBST(ac_google_start_namespace) AC_SUBST(ac_google_end_namespace) AC_SUBST(ac_google_namespace) AC_SUBST(ac_cv_cxx_using_operator) AC_SUBST(ac_cv___attribute___noreturn) AC_SUBST(ac_cv___attribute___noinline) AC_SUBST(ac_cv___attribute___printf_4_5) AC_SUBST(ac_cv_have___builtin_expect) AC_SUBST(ac_cv_have_stdint_h) AC_SUBST(ac_cv_have_systypes_h) AC_SUBST(ac_cv_have_inttypes_h) AC_SUBST(ac_cv_have_unistd_h) AC_SUBST(ac_cv_have_uint16_t) AC_SUBST(ac_cv_have_u_int16_t) AC_SUBST(ac_cv_have___uint16) AC_SUBST(ac_cv_have_libgflags) AC_SUBST(GFLAGS_CFLAGS) AC_SUBST(GTEST_CFLAGS) AC_SUBST(GMOCK_CFLAGS) AC_SUBST(MINGW_CFLAGS) AC_SUBST(GFLAGS_LIBS) AC_SUBST(GTEST_LIBS) AC_SUBST(GMOCK_LIBS) # Write generated configuration file AC_CONFIG_FILES([Makefile src/glog/logging.h src/glog/raw_logging.h src/glog/vlog_is_on.h src/glog/stl_logging.h]) AC_OUTPUT(libglog.pc)