dnl Template file for GNU Autoconf dnl Copyright (C) 1995, 1996, 1997, 2001 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 2 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, write to the Free Software dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. dnl dnl Process this file with autoconf to produce a configure script. dnl AC_INIT(src/version.c) AC_PREREQ(2.12) AC_CONFIG_HEADER(src/config.h) dnl dnl What version of Wget are we building? dnl VERSION=`sed -e 's/^.*"\(.*\)";$/\1/' ${srcdir}/src/version.c` echo "configuring for GNU Wget $VERSION" AC_SUBST(VERSION) PACKAGE=wget AC_SUBST(PACKAGE) dnl dnl Get cannonical host dnl AC_CANONICAL_HOST AC_DEFINE_UNQUOTED(OS_TYPE, "$host_os") dnl dnl Process features. dnl AC_ARG_WITH(socks, [ --with-socks use the socks library], [AC_DEFINE(HAVE_SOCKS)]) AC_ARG_WITH(ssl, [ --with-ssl[=SSL_ROOT] link with libssl [in SSL_ROOT/lib] for https: support]) AC_ARG_ENABLE(opie, [ --disable-opie disable support for opie or s/key FTP login], USE_OPIE=$enableval, USE_OPIE=yes) test x"${USE_OPIE}" = xyes && AC_DEFINE(USE_OPIE) AC_ARG_ENABLE(digest, [ --disable-digest disable support for HTTP digest authorization], USE_DIGEST=$enableval, USE_DIGEST=yes) test x"${USE_DIGEST}" = xyes && AC_DEFINE(USE_DIGEST) AC_ARG_ENABLE(debug, [ --disable-debug disable support for debugging output], DEBUG=$enableval, DEBUG=yes) test x"${DEBUG}" = xyes && AC_DEFINE(DEBUG) wget_need_md5=no case "${USE_OPIE}${USE_DIGEST}" in *yes*) wget_need_md5=yes esac if test x"$USE_OPIE" = xyes; then OPIE_OBJ='ftp-opie$o' fi AC_SUBST(OPIE_OBJ) dnl dnl Whether make sets $(MAKE)... dnl AC_PROG_MAKE_SET dnl dnl Find a good install dnl AC_PROG_INSTALL dnl dnl Find the compiler dnl dnl We want these before the checks, so the checks can modify their values. test -z "$CFLAGS" && CFLAGS= auto_cflags=1 test -z "$CC" && cc_specified=yes AC_PROG_CC dnl dnl if the user hasn't specified CFLAGS, then dnl if compiler is gcc, then use -O2 and some warning flags dnl else use os-specific flags or -O dnl if test -n "$auto_cflags"; then if test -n "$GCC"; then CFLAGS="$CFLAGS -O2 -Wall -Wno-implicit" else case "$host_os" in *hpux*) CFLAGS="$CFLAGS +O3" ;; *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;; *) CFLAGS="$CFLAGS -O" ;; esac fi fi dnl dnl Handle AIX dnl AC_AIX dnl dnl Configure our included libtool and make sure it's regenerated when needed dnl AC_PROG_LIBTOOL AC_SUBST(LIBTOOL_DEPS) dnl dnl In case of {cyg,gnu}win32. Should be a _target_ test. dnl Might also be erelevant for DJGPP. dnl case "$host_os" in *win32) exeext='.exe';; *) exeext='';; esac AC_SUBST(exeext) dnl dnl Check if we can handle prototypes. dnl AM_C_PROTOTYPES dnl dnl Checks for typedefs, structures, and compiler characteristics. dnl AC_C_CONST AC_C_INLINE AC_TYPE_SIZE_T AC_TYPE_PID_T dnl #### This generates a warning. What do I do to shut it up? AC_C_BIGENDIAN # Check size of long. AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) dnl dnl Checks for headers dnl AC_CHECK_HEADERS(string.h stdarg.h unistd.h sys/time.h utime.h sys/utime.h) AC_CHECK_HEADERS(sys/select.h sys/utsname.h pwd.h signal.h) AC_HEADER_TIME dnl dnl Return type of signal-handlers dnl AC_TYPE_SIGNAL dnl dnl Check for struct utimbuf WGET_STRUCT_UTIMBUF dnl dnl Checks for library functions. dnl AC_FUNC_ALLOCA AC_FUNC_MMAP AC_CHECK_FUNCS(strdup strstr strcasecmp strncasecmp strpbrk) AC_CHECK_FUNCS(gettimeofday mktime strptime) AC_CHECK_FUNCS(strerror snprintf vsnprintf select signal symlink access isatty) AC_CHECK_FUNCS(uname gethostname) dnl dnl Check if we need to compile in getopt.c. dnl AC_CHECK_FUNC(getopt_long, [], [ GETOPT_OBJ='getopt$o' ]) AC_SUBST(GETOPT_OBJ) dnl dnl Checks for libraries. dnl dnl dnl Use the md5 lib if available (Solaris). dnl if test x$wget_need_md5 = xyes then AC_DEFINE(HAVE_MD5) AC_CHECK_LIB(md5, MD5Update, [ AC_DEFINE(HAVE_SOLARIS_MD5) LIBS="-lmd5 $LIBS" ], [ MD5_OBJ='gnu-md5$o' AC_DEFINE(HAVE_BUILTIN_MD5) ]) fi AC_SUBST(MD5_OBJ) dnl On Solaris, -lnsl is needed to use gethostbyname. On "NCR MP-RAS dnl 3.0", however, gethostbyname is in libc, but -lnsl is still needed dnl to use -lsocket, as well as for functions such as inet_ntoa. We dnl look for such known offenders and if one of them is not found, we dnl check if -lnsl is needed. wget_check_in_nsl=NONE AC_CHECK_FUNCS(gethostbyname, [], [ wget_check_in_nsl=gethostbyname ]) AC_CHECK_FUNCS(inet_ntoa, [], [ wget_check_in_nsl=inet_ntoa ]) if test $wget_check_in_nsl != NONE; then AC_CHECK_LIB(nsl, $wget_check_in_nsl) fi AC_CHECK_LIB(socket, socket) dnl #### This appears to be deficient with later versions of SOCKS. if test "x${with_socks}" = xyes then AC_CHECK_LIB(resolv, main) AC_CHECK_LIB(socks, Rconnect) fi dnl If --with-ssl was specified, make sure we can link with the dnl OpenSSL libs. We should probably auto-detect this by default. if test x"$with_ssl" != x -a x"$with_ssl" != x"no"; then if test x"$with_ssl" = x"yes"; then dnl OpenSSL's default install location is "/usr/local/ssl". We also dnl allow /usr/local for regular-style install, and /usr for Linux dnl stuff. ssl_all_roots="default /usr/local/ssl /usr/local /opt" else dnl Root has been kindly provided by the user. ssl_all_roots=$with_ssl fi wget_save_LIBS=$LIBS wget_save_LDFLAGS=$LDFLAGS wget_save_CC=$CC dnl Use libtool for OpenSSL tests to handle the "-R" option. CC="$SHELL ./libtool $CC" dnl Unfortunately, as of this writing (OpenSSL 0.9.6), the libcrypto dnl shared library doesn't record its dependency on libdl, so we dnl need to check for it ourselves so we won't fail to link due to a dnl lack of -ldl. Most OSes use dlopen(), but HP-UX uses dnl shl_load(). AC_CHECK_LIB(dl,dlopen) AC_CHECK_LIB(dl,shl_load) ssl_linked=no dnl Now try to find SSL libraries in each of the likely SSL roots. for ssl_root in $ssl_all_roots do if test x"$ssl_root" = xdefault; then dnl Try the default library locations. SSL_INCLUDES= else dnl Try this specific root. SSL_INCLUDES=-I$ssl_root/include dnl It's OK to use -R directly because libtool will dnl interpret it for us. LDFLAGS="-L$ssl_root/lib -R$ssl_root/lib $wget_save_LDFLAGS" fi ssl_link_failure=no AC_MSG_RESULT(["Looking for SSL libraries in $ssl_root"]) dnl Make sure that the checks don't run afoul of the cache. It dnl would be nicer to temporarily turn off the cache, but dnl apparently Autoconf doesn't allow that. unset ac_cv_lib_crypto_RSA_new unset ac_cv_lib_ssl_SSL_new dnl These checks need to be in this order, or you'll get a link dnl failure if you use a static libcrypto.a and libssl.a rather dnl than shared libraries. AC_CHECK_LIB(crypto, RSA_new, , ssl_link_failure=yes) AC_CHECK_LIB(ssl, SSL_new, , ssl_link_failure=yes) dnl If ssl_link_failure is still no, the libraries link. But we dnl still need to check if the program linked with those libraries dnl under these settings with run. On some systems (Solaris), Gcc dnl adds -L/usr/local/lib to the linking line, but fails to add dnl -R/usr/local/lib, thus creating executables that link, but dnl fail to run. dnl If we are cross-compiling, just assume that working linkage dnl implies working executable. if test x"$ssl_link_failure" = xno; then dnl Now try to run the thing. AC_MSG_CHECKING("whether SSL libs are resolved at runtime") AC_TRY_RUN([ int RSA_new(); int SSL_new(); main(){return 0;} ], AC_MSG_RESULT("yes"), AC_MSG_RESULT("no"); ssl_link_failure=yes, AC_MSG_RESULT("cross")) fi if test x"$ssl_link_failure" = xno; then dnl This echo doesn't look right, but I'm not sure what to use dnl instead. AC_MSG_RESULT("Compiling in support for SSL in $ssl_root") AC_DEFINE(HAVE_SSL) AC_SUBST(SSL_INCLUDES) SSL_OBJ='gen_sslfunc$o' AC_SUBST(SSL_OBJ) ssl_linked=yes break fi done if test x"$ssl_linked" = xno; then LD_FLAGS=$wget_save_LDFLAGS LIBS=$wget_save_LIBS dnl Perhaps we should abort here. Dan argues that configure dnl scripts shouldn't abort out of principle, but on the other dnl hand remember that the user explicitly requested linking with dnl SSL. dnl IMHO there should be a way to specify whether SSL should be dnl avoided, auto-detected, or required, defaulting to dnl `autodetect'. Only in the `require' mode the script would dnl abort if SSL is not found. echo echo "WARNING: Failed to link with OpenSSL libraries in $ssl_root/lib." echo " Wget will be built without support for https://... URLs." echo fi CC=$wget_save_CC fi dnl dnl Set of available languages. dnl ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//')` 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 internationalization macros WGET_WITH_NLS dnl dnl Find makeinfo. If makeinfo is not found, look for Emacs. If dnl Emacs cannot be found, look for XEmacs. dnl AC_CHECK_PROGS(MAKEINFO, makeinfo emacs xemacs) case "${MAKEINFO}" in *makeinfo) MAKEINFO="${MAKEINFO} \$(srcdir)/wget.texi" ;; *emacs | *xemacs) MAKEINFO="${MAKEINFO} -batch -q -no-site-file -eval '(find-file \"\$(srcdir)/wget.texi\")' -l texinfmt -f texinfo-format-buffer -f save-buffer" ;; *) MAKEINFO="makeinfo \$(srcdir)/wget.texi" ;; esac dnl dnl Find perl and pod2man dnl AC_PATH_PROGS(PERL, perl5 perl, no) AC_PATH_PROG(POD2MAN, pod2man, no) if test "x${POD2MAN}" = xno; then COMMENT_IF_NO_POD2MAN="# " else COMMENT_IF_NO_POD2MAN= fi AC_SUBST(COMMENT_IF_NO_POD2MAN) dnl dnl Create output dnl AC_OUTPUT([Makefile src/Makefile doc/Makefile util/Makefile po/Makefile.in windows/Makefile], [WGET_PROCESS_PO test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h])