dnl Template file for GNU Autoconf dnl Copyright (C) 1995, 1996, 1997, 2001, 2007, dnl 2008 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 . 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], [1.12-devel], [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 $PACKAGE_VERSION]) AC_CONFIG_MACRO_DIR([m4]) AC_CONFIG_AUX_DIR([.]) dnl dnl Automake setup dnl AM_INIT_AUTOMAKE(1.9) dnl dnl Gettext dnl AM_GNU_GETTEXT([external],[need-ngettext]) AM_GNU_GETTEXT_VERSION([0.16.1]) dnl dnl Get cannonical host dnl AC_CANONICAL_HOST AC_DEFINE_UNQUOTED([OS_TYPE], "$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]]) 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"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1, [Define if you want the debug output support compiled in.]) wget_need_md5=no case "${ENABLE_OPIE}${ENABLE_DIGEST}" in *yes*) wget_need_md5=yes esac dnl dnl Find the compiler dnl dnl We want these before the checks, so the checks can modify their values. test -z "$CFLAGS" && CFLAGS= auto_cflags=1 test -z "$CC" && cc_specified=yes AC_PROG_CC AM_PROG_CC_C_O AC_AIX gl_EARLY md5_EARLY AC_PROG_RANLIB dnl Turn on optimization by default. Specifically: dnl dnl if the user hasn't specified CFLAGS, then dnl if compiler is gcc, then dnl use -O2 and some warning flags dnl else dnl use os-specific flags or -O if test -n "$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) 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 #include #if HAVE_INTTYPES_H # include #endif #include ]) # gnulib gl_INIT dnl dnl Checks for library functions. dnl AC_FUNC_MMAP AC_FUNC_FSEEKO AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48) AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc) if test x"$ENABLE_OPIE" = xyes; then AC_LIBOBJ([ftp-opie]) fi dnl We expect to have these functions on Unix-like systems configure dnl runs on. The defines are provided to get them in config.h.in so dnl Wget can still be ported to non-Unix systems (such as Windows) dnl that lack some of these functions. AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.]) AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.]) AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.]) AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.]) AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.]) dnl dnl Call Wget-specific macros defined in aclocal. dnl WGET_STRUCT_UTIMBUF WGET_SOCKLEN_T WGET_FNMATCH WGET_NANOSLEEP WGET_POSIX_CLOCK WGET_NSL_SOCKET dnl dnl Checks for libraries. dnl AS_IF([test x"$with_ssl" = xgnutls], [ dnl Now actually check for -lssl AC_LIB_HAVE_LINKFLAGS([gnutls], [], [ #include ], [gnutls_global_init()]) if test x"$LIBGNUTLS" != x then AC_MSG_NOTICE([compiling in support for SSL via GnuTLS]) AC_LIBOBJ([gnutls]) else AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.]) fi ], [ # --with-ssl is not gnutls: check if it's no AS_IF([test x"$with_ssl" != xno], [ 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) ]) dnl Now actually check for -lssl AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [ #include #include #include #include #include #include #include ], [SSL_library_init ()]) if test x"$LIBSSL" != x then AC_MSG_NOTICE([compiling in support for SSL via OpenSSL]) AC_LIBOBJ([openssl]) elif test x"$with_ssl" != x then AC_MSG_ERROR([--with-ssl was given, but SSL is not available.]) fi ]) # endif: --with-ssl == no? ]) # endif: --with-ssl == gnutls? 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"$ENABLE_NTLM" = xyes then AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting]) fi fi dnl dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try dnl to use an existing library implementation to save on code size. dnl if test x"$wget_need_md5" = xyes then dnl This should be moved to an AC_DEFUN, but I'm not sure how to dnl manipulate MD5_OBJ from the defun. AC_LIBOBJ([gen-md5]) found_md5=no dnl Check for the system MD5 library on Solaris. We don't check for dnl something simple like "MD5Update" because there are a number of dnl MD5 implementations that use that name, but have an otherwise dnl incompatible interface. md5_calc is, hopefully, specific to the dnl Solaris MD5 library. if test x"$found_md5" = xno; then AC_CHECK_LIB(md5, md5_calc, [ dnl Some installations have bogus in the compiler's dnl include path, making the system md5 library useless. AC_MSG_CHECKING([for working md5.h]) AC_COMPILE_IFELSE([#include ], [ AC_MSG_RESULT(yes) AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.]) LIBS="-lmd5 $LIBS" found_md5=yes AC_MSG_NOTICE([using the Solaris MD5 implementation]) ], [AC_MSG_RESULT(no)]) ]) fi dnl Then see if we're linking OpenSSL anyway; if yes, use its md5 dnl implementation. if test x"$found_md5" = xno; then if test x"$LIBSSL" != x; then AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.]) found_md5=yes AC_MSG_NOTICE([using the OpenSSL MD5 implementation]) fi fi dnl If none of the above worked, use the one we ship with Wget. if test x"$found_md5" = xno; then AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.]) found_md5=yes AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation]) AC_C_BIGENDIAN AC_SUBST(MD5_CPPFLAGS, '-I $(top_srcdir)/md5') AC_SUBST(MD5_LDADD, '../md5/libmd5.a') AC_SUBST(MD5_SUBDIR, md5) md5_INIT fi AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.]) fi dnl ********************************************************************** dnl Checks for IPv6 dnl ********************************************************************** dnl dnl We test for IPv6 by checking, in turn, for availability of dnl getaddrinfo, presence of the INET6 address/protocol family, and dnl the existence of struct sockaddr_in6. If any of them is missing, dnl IPv6 is disabled, and the code reverts to old-style gethostbyname. dnl dnl If --enable-ipv6 is explicitly specified on the configure command dnl line, we check for IPv6 and abort if not found. If --disable-ipv6 dnl is specified, we disable IPv6 and don't check for it. The default dnl is to autodetect IPv6 and use it where available. dnl AC_ARG_ENABLE(ipv6, AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]), [case "${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 AC_CHECK_FUNCS(getaddrinfo, [], [ AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)]) ipv6=no ]) fi 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 Set of available languages. dnl dnl Originally this used to be static, looking like this: dnl ALL_LINGUAS="cs de hr it ..." dnl The downside was that configure needed to be rebuilt whenever a dnl new language was added. dnl ALL_LINGUAS="en@quot en@boldquot en_US $(cd ${srcdir}/po && ls *.po | grep -v 'en@.*quot' | grep -v 'en_US\.po' | sed -e 's/\.po$//' | tr '\012' ' ')" 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="") if test "X$iri" != "Xno"; then if test "$libidn" != ""; then LDFLAGS="${LDFLAGS} -L$libidn/lib" CPPFLAGS="${CPPFLAGS} -I$libidn/include" fi AC_CHECK_HEADER(idna.h, AC_CHECK_LIB(idn, stringprep_check_version, [iri=yes LIBS="${LIBS} -lidn"], iri=no), iri=no) if test "X$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 md5/Makefile windows/Makefile]) AC_CONFIG_HEADERS([src/config.h]) AC_OUTPUT