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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..76c6fa2 --- /dev/null +++ b/configure.ac @@ -0,0 +1,526 @@ +dnl Template file for GNU Autoconf +dnl Copyright (C) 1995, 1996, 1997, 2001, 2007, 2008, 2009, 2010, 2011 +dnl Free Software Foundation, Inc. + +dnl This program is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU General Public License as published by +dnl the Free Software Foundation; either version 3 of the License, or +dnl (at your option) any later version. + +dnl This program is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +dnl GNU General Public License for more details. + +dnl You should have received a copy of the GNU General Public License +dnl along with this program. If not, see <http://www.gnu.org/licenses/>. + +dnl Additional permission under GNU GPL version 3 section 7 + +dnl If you modify this program, or any covered work, by linking or +dnl combining it with the OpenSSL project's OpenSSL library (or a +dnl modified version of that library), containing parts covered by the +dnl terms of the OpenSSL or SSLeay licenses, the Free Software Foundation +dnl grants you additional permission to convey the resulting work. +dnl Corresponding Source for a non-source form of such a combination +dnl shall include the source code for the parts of OpenSSL used as well +dnl as that of the covered work. + +dnl +dnl Process this file with autoconf to produce a configure script. +dnl + +AC_INIT([wget], + [m4_esyscmd([build-aux/bzr-version-gen])], + [bug-wget@gnu.org]) +AC_PREREQ(2.61) + +dnl +dnl What version of Wget are we building? +dnl +AC_MSG_NOTICE([configuring for GNU Wget $PACKAGE_VERSION]) + +AC_CONFIG_MACRO_DIR([m4]) +AC_CONFIG_AUX_DIR([build-aux]) + +AC_CONFIG_SRCDIR([src/wget.h]) + +dnl +dnl Automake setup +dnl +AM_INIT_AUTOMAKE([1.9]) + +dnl +dnl Get cannonical host +dnl +AC_CANONICAL_HOST +AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os", + [Define to be the name of the operating system.]) + +dnl +dnl Process features. +dnl + +AC_ARG_WITH(ssl, +[[ --without-ssl disable SSL autodetection + --with-ssl={gnutls,openssl} specify the SSL backend. GNU TLS is the default.]]) + +AC_ARG_ENABLE(opie, +[ --disable-opie disable support for opie or s/key FTP login], +ENABLE_OPIE=$enableval, ENABLE_OPIE=yes) +test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1, + [Define if you want the Opie support for FTP compiled in.]) + +AC_ARG_ENABLE(digest, +[ --disable-digest disable support for HTTP digest authorization], +ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes) +test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1, + [Define if you want the HTTP Digest Authorization compiled in.]) + +AC_ARG_ENABLE(ntlm, +[ --disable-ntlm disable support for NTLM authorization], +[ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto]) + +AC_ARG_ENABLE(debug, +[ --disable-debug disable support for debugging output], +ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes) +test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1, + [Define if you want the debug output support compiled in.]) + +dnl +dnl Find the compiler +dnl + +dnl We want these before the checks, so the checks can modify their values. +test -z "$CFLAGS" && CFLAGS= auto_cflags=1 +test -z "$CC" && cc_specified=yes + +AC_PROG_CC +AM_PROG_CC_C_O +AC_AIX + +gl_EARLY + +dnl +dnl Gettext +dnl +AM_GNU_GETTEXT([external],[need-ngettext]) +AM_GNU_GETTEXT_VERSION([0.17]) + +AC_PROG_RANLIB + +AC_PROG_LEX + +dnl Turn on optimization by default. Specifically: +dnl +dnl if the user hasn't specified CFLAGS, then +dnl if compiler is gcc, then +dnl use -O2 and some warning flags +dnl else +dnl use os-specific flags or -O +if test -n "$auto_cflags"; then + if test -n "$GCC"; then + CFLAGS="$CFLAGS -O2 -Wall" + else + case "$host_os" in + *hpux*) CFLAGS="$CFLAGS +O3" ;; + *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;; + *) CFLAGS="$CFLAGS -O" ;; + esac + fi +fi + +dnl +dnl Checks for basic compiler characteristics. +dnl +AC_C_CONST +AC_C_INLINE +AC_C_VOLATILE + +dnl Check for basic headers, even though we expect them to exist and +dnl #include them unconditionally in the code. Their detection is +dnl still needed because test programs used by Autoconf macros check +dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them. +dnl Without the checks they will fail to be included in test programs, +dnl which will subsequently fail. +AC_HEADER_STDC + +dnl Check for large file support. This check needs to come fairly +dnl early because it could (in principle) affect whether functions and +dnl headers are available, whether they work, etc. +AC_SYS_LARGEFILE +AC_CHECK_SIZEOF(off_t) + +dnl +dnl Checks for system header files that might be missing. +dnl +AC_HEADER_STDBOOL +AC_CHECK_HEADERS(unistd.h sys/time.h) +AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h) +AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h) + +AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>]) + +dnl +dnl Check sizes of integer types. These are used to find n-bit +dnl integral types on older systems that fail to provide intN_t and +dnl uintN_t typedefs. +dnl +AC_CHECK_SIZEOF([short]) +AC_CHECK_SIZEOF([int]) +AC_CHECK_SIZEOF([long]) +AC_CHECK_SIZEOF([long long]) +AC_CHECK_SIZEOF([void *]) + +dnl +dnl Checks for non-universal or system-specific types. +dnl +AC_TYPE_SIZE_T +AC_TYPE_PID_T +AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t]) +AC_CHECK_TYPES(sig_atomic_t, [], [], [ +#include <stdio.h> +#include <sys/types.h> +#if HAVE_INTTYPES_H +# include <inttypes.h> +#endif +#include <signal.h> +]) + +# gnulib +gl_INIT + +dnl +dnl Checks for library functions. +dnl +AC_FUNC_MMAP +AC_FUNC_FSEEKO +AC_CHECK_FUNCS(strptime timegm vsnprintf vasprintf drand48) +AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc) +AC_CHECK_FUNCS(sleep symlink utime) + +if test x"$ENABLE_OPIE" = xyes; then + AC_LIBOBJ([ftp-opie]) +fi + +dnl We expect to have these functions on Unix-like systems configure +dnl runs on. The defines are provided to get them in config.h.in so +dnl Wget can still be ported to non-Unix systems (such as Windows) +dnl that lack some of these functions. +AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.]) +AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.]) +AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.]) +AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.]) + +dnl +dnl Call Wget-specific macros defined in aclocal. +dnl +WGET_STRUCT_UTIMBUF +WGET_FNMATCH +WGET_NANOSLEEP +WGET_POSIX_CLOCK +WGET_NSL_SOCKET + +dnl Deal with specific hosts +case $host_os in + *mingw32* ) + LIBS+=' -lws2_32' + AC_LIBOBJ([mswindows]) + ;; +esac + + +dnl +dnl Checks for libraries. +dnl + +AS_IF([test x"$with_ssl" = xopenssl], [ + dnl some versions of openssl use zlib compression + AC_CHECK_LIB(z, compress) + + dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library + dnl doesn't record its dependency on libdl, so we need to make sure + dnl -ldl ends up in LIBS on systems that have it. Most OSes use + dnl dlopen(), but HP-UX uses shl_load(). + AC_CHECK_LIB(dl, dlopen, [], [ + AC_CHECK_LIB(dl, shl_load) + ]) + + ssl_found=no + case $host_os in + *mingw32* ) + dnl prefer link to openssl dlls if possible. if not then fallback on static libs. if not then error + + AC_CHECK_LIB(eay32, EVP_MD_CTX_init) + if test x"$ac_cv_lib_eay32_EVP_MD_CTX_init" != xno + then + AC_CHECK_LIB(ssl32, SSL_connect, [ + ssl_found=yes + AC_MSG_NOTICE([Enabling support for SSL via OpenSSL (shared)]) + ], + AC_MSG_ERROR([openssl not found: shared lib eay32 found but ssl32 not found])) + + else + LIBS+=' -lgdi32' + dnl fallback and test static libs + fi + dnl add zdll lib as dep for above tests? + ;; + esac + +AS_IF([test x$ssl_found != xyes], +[ + dnl Now actually check for -lssl if it wasn't already found + AC_LIB_HAVE_LINKFLAGS([ssl], [crypto z], [ + #include <openssl/ssl.h> + #include <openssl/x509.h> + #include <openssl/err.h> + #include <openssl/rand.h> + #include <openssl/des.h> + #include <openssl/md4.h> + #include <openssl/md5.h> + ], [SSL_library_init ()]) + if test x"$LIBSSL" != x + then + AC_MSG_NOTICE([compiling in support for SSL via OpenSSL]) + AC_LIBOBJ([openssl]) + LIBS="$LIBSSL $LIBS" + elif test x"$with_ssl" != x + then + AC_MSG_ERROR([--with-ssl=openssl was given, but SSL is not available.]) + fi + + AC_LIBOBJ([openssl]) + +]) + +], [ + # --with-ssl is not gnutls: check if it's no + AS_IF([test x"$with_ssl" != xno], [ + dnl Now actually check for -lssl + + AC_CHECK_LIB(z, compress) + AC_CHECK_LIB(gpg-error, gpg_err_init) + AC_CHECK_LIB(gcrypt, gcry_control) + + dnl Now actually check for -lssl + AC_LIB_HAVE_LINKFLAGS([gnutls], [], [ +#include <gnutls/gnutls.h> + ], [gnutls_global_init()]) + if test x"$LIBGNUTLS" != x + then + AC_MSG_NOTICE([compiling in support for SSL via GnuTLS]) + AC_LIBOBJ([gnutls]) + LIBS="$LIBGNUTLS $LIBS" + else + AC_MSG_ERROR([--with-ssl was given, but GNUTLS is not available.]) + fi + + AC_CHECK_FUNCS(gnutls_priority_set_direct) + ]) # endif: --with-ssl == no? +]) # endif: --with-ssl == openssl? + +dnl Enable NTLM if requested and if SSL is available. +if test x"$LIBSSL" != x +then + if test x"$ENABLE_NTLM" != xno + then + AC_DEFINE([ENABLE_NTLM], 1, + [Define if you want the NTLM authorization support compiled in.]) + AC_LIBOBJ([http-ntlm]) + fi +else + dnl If SSL is unavailable and the user explicitly requested NTLM, + dnl abort. + if test x"$ENABLE_NTLM" = xyes + then + AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting]) + fi +fi + +dnl ********************************************************************** +dnl Checks for IPv6 +dnl ********************************************************************** + +dnl +dnl We test for IPv6 by checking, in turn, for availability of +dnl presence of the INET6 address/protocol family and the existence of +dnl struct sockaddr_in6. If any of them is missing, IPv6 is disabled, +dnl and the code reverts to old-style gethostbyname. +dnl +dnl If --enable-ipv6 is explicitly specified on the configure command +dnl line, we check for IPv6 and abort if not found. If --disable-ipv6 +dnl is specified, we disable IPv6 and don't check for it. The default +dnl is to autodetect IPv6 and use it where available. +dnl + +AC_ARG_ENABLE(ipv6, + AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]), + [case "${enable_ipv6}" in + no) + AC_MSG_NOTICE([disabling IPv6 at user request]) + dnl Disable IPv6 checking + ipv6=no + ;; + yes) + dnl IPv6 explicitly enabled: force its use (abort if unavailable). + ipv6=yes + force_ipv6=yes + ;; + auto) + dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it. + ipv6=yes + ;; + *) + AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6']) + ;; + esac + ], [ + dnl If nothing is specified, assume auto-detection. + ipv6=yes + ] +) + +if test "X$ipv6" = "Xyes"; then + PROTO_INET6([], [ + AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family]) + ipv6=no + ]) +fi + +if test "X$ipv6" = "Xyes"; then + TYPE_STRUCT_SOCKADDR_IN6([],[ + AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6']) + ipv6=no + ]) + if test "X$ipv6" = "Xyes"; then + WGET_STRUCT_SOCKADDR_STORAGE + MEMBER_SIN6_SCOPE_ID + fi +fi + +if test "X$ipv6" = "Xyes"; then + AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.]) + AC_MSG_NOTICE([Enabling support for IPv6.]) +elif test "x$force_ipv6" = "xyes"; then + AC_MSG_ERROR([IPv6 support requested but not found; aborting]) +fi + +dnl +dnl Find makeinfo. We used to provide support for Emacs processing +dnl Texinfo using `emacs -batch -eval ...' where makeinfo is +dnl unavailable, but that broke with the addition of makeinfo-specific +dnl command-line options, such as `-I'. Now we depend on makeinfo to +dnl build the Info documentation. +dnl + +AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true]) + +dnl +dnl Find perl and pod2man +dnl + +AC_PATH_PROGS(PERL, [perl5 perl], no) +AC_PATH_PROG(POD2MAN, pod2man, no) + +if test "x${POD2MAN}" = xno; then + COMMENT_IF_NO_POD2MAN="# " +else + COMMENT_IF_NO_POD2MAN= +fi +AC_SUBST(COMMENT_IF_NO_POD2MAN) + + +dnl +dnl Check for IDN/IRIs +dnl + +AC_ARG_ENABLE(iri, + AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]), + [case "${enable_iri}" in + no) + dnl Disable IRIs checking + AC_MSG_NOTICE([disabling IRIs at user request]) + iri=no + ;; + yes) + dnl IRIs explicitly enabled + iri=yes + force_iri=yes + ;; + auto) + dnl Auto-detect IRI + iri=yes + ;; + *) + AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri']) + ;; + esac + ], [ + dnl If nothing is specified, assume auto-detection + iri=yes + ] +) + +AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]], + [Support IDN/IRIs (needs GNU Libidn)]), + libidn=$withval, libidn="") +AS_IF([test "X$iri" != "Xno"],[ + AM_ICONV + + if test "X$am_cv_func_iconv" != "Xyes"; then + iri=no + if test "X$force_iri" = "Xyes"; then + AC_MSG_ERROR([Libiconv is required for IRIs support]) + else + AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found]) + fi + fi +],[ # else + # For some reason, this seems to be set even when we don't check. + # Explicitly unset. + LIBICONV= +]) + +if test "X$iri" != "Xno"; then + if test "$libidn" != ""; then + LDFLAGS="${LDFLAGS} -L$libidn/lib" + CPPFLAGS="${CPPFLAGS} -I$libidn/include" + fi + + # If idna.h can't be found, check to see if it was installed under + # /usr/include/idn (OpenSolaris, at least, places it there). + # Check for idn-int.h in that case, because idna.h won't find + # idn-int.h until we've decided to add -I/usr/include/idn. + AC_CHECK_HEADER(idna.h, , + [AC_CHECK_HEADER(idn/idn-int.h, + [CPPFLAGS="${CPPFLAGS} -I/usr/include/idn"], + [iri=no])] + ) + + if test "X$iri" != "Xno"; then + AC_CHECK_LIB(idn, stringprep_check_version, + [iri=yes LIBS="${LIBS} -lidn"], iri=no) + fi + + if test "X$iri" != "Xno" ; then + AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.]) + AC_MSG_NOTICE([Enabling support for IRI.]) + else + AC_MSG_WARN([Libidn not found]) + fi +fi + + +dnl Needed by src/Makefile.am +AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"]) + + +dnl +dnl Create output +dnl +AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile + po/Makefile.in tests/Makefile tests/WgetTest.pm + lib/Makefile]) +AC_CONFIG_HEADERS([src/config.h]) +AC_OUTPUT |