dnl Template file for GNU Autoconf
-dnl Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+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 along with this program; if not, write to the Free Software
dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+dnl In addition, as a special exception, the Free Software Foundation
+dnl gives permission to link the code of its release of Wget with the
+dnl OpenSSL project's "OpenSSL" library (or with modified versions of it
+dnl that use the same license as the "OpenSSL" library), and distribute
+dnl the linked executables. You must obey the GNU General Public License
+dnl in all respects for all of the code used other than "OpenSSL". If you
+dnl modify this file, you may extend this exception to your version of the
+dnl file, but you are not obligated to do so. If you do not wish to do
+dnl so, delete this exception statement from your version.
+
dnl
dnl Process this file with autoconf to produce a configure script.
dnl
AC_INIT(src/version.c)
-AC_PREREQ(2.12)
+AC_PREREQ(2.50)
AC_CONFIG_HEADER(src/config.h)
dnl
[AC_DEFINE(HAVE_SOCKS)])
AC_ARG_WITH(ssl,
-[ --with-ssl use the openssl library])
+[[ --with-ssl[=SSL-ROOT] link with SSL support [default=auto]
+ --without-ssl disable SSL autodetection]])
AC_ARG_ENABLE(opie,
[ --disable-opie disable support for opie or s/key FTP login],
AC_ARG_ENABLE(debug,
[ --disable-debug disable support for debugging output],
-DEBUG=$enableval, DEBUG=yes)
-test x"${DEBUG}" = xyes && AC_DEFINE(DEBUG)
+ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
+test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE(ENABLE_DEBUG)
+
+wget_need_md5=no
case "${USE_OPIE}${USE_DIGEST}" in
*yes*)
- MD5_OBJ='md5$o'
+ wget_need_md5=yes
esac
if test x"$USE_OPIE" = xyes; then
OPIE_OBJ='ftp-opie$o'
fi
-AC_SUBST(MD5_OBJ)
AC_SUBST(OPIE_OBJ)
dnl
dnl
AC_AIX
+dnl
+dnl Configure our included libtool and make sure it's regenerated when needed
+dnl
+AC_PROG_LIBTOOL
+AC_SUBST(LIBTOOL_DEPS)
+
dnl
dnl In case of {cyg,gnu}win32. Should be a _target_ test.
dnl Might also be erelevant for DJGPP.
dnl Checks for typedefs, structures, and compiler characteristics.
dnl
AC_C_CONST
+AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_PID_T
-dnl #### This generates a warning. What do I do to shut it up?
AC_C_BIGENDIAN
-# Check size of long.
+dnl
+dnl Check integral type sizes.
+dnl
+AC_CHECK_SIZEOF(short)
+AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
+AC_CHECK_HEADERS(inttypes.h)
+AC_CHECK_TYPES(uint32_t)
dnl
dnl Checks for headers
dnl
-AC_CHECK_HEADERS(string.h stdarg.h unistd.h sys/time.h utime.h sys/utime.h)
-AC_CHECK_HEADERS(sys/select.h sys/utsname.h pwd.h signal.h)
+AC_CHECK_HEADERS(string.h stdarg.h unistd.h sys/time.h utime.h sys/utime.h pwd.h)
+AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h sys/utsname.h)
+AC_CHECK_HEADERS(signal.h setjmp.h)
AC_HEADER_TIME
dnl
AC_TYPE_SIGNAL
dnl
-dnl Check for struct utimbuf
+dnl Call several of Wget's macros.
+dnl
WGET_STRUCT_UTIMBUF
+WGET_SOCKLEN_T
dnl
dnl Checks for library functions.
dnl
AC_FUNC_ALLOCA
AC_FUNC_MMAP
-AC_CHECK_FUNCS(strdup strstr strcasecmp strncasecmp)
-AC_CHECK_FUNCS(gettimeofday mktime strptime)
-AC_CHECK_FUNCS(strerror snprintf vsnprintf select signal symlink access isatty)
-AC_CHECK_FUNCS(uname gethostname)
+AC_CHECK_FUNCS(strdup strstr strcasecmp strncasecmp strpbrk memmove)
+AC_CHECK_FUNCS(gettimeofday mktime strptime strerror snprintf vsnprintf)
+AC_CHECK_FUNCS(select sigblock sigsetjmp signal symlink access isatty)
+AC_CHECK_FUNCS(uname gethostname usleep)
-AC_CHECK_FUNCS(gethostbyname, [], [
- AC_CHECK_LIB(nsl, gethostbyname)
+dnl
+dnl Check if we need to compile in getopt.c.
+dnl
+AC_CHECK_FUNC(getopt_long, [], [
+ GETOPT_OBJ='getopt$o'
])
+AC_SUBST(GETOPT_OBJ)
dnl
dnl Checks for libraries.
dnl
+dnl 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, $wget_check_in_nsl)
+fi
+
AC_CHECK_LIB(socket, socket)
dnl #### This appears to be deficient with later versions of SOCKS.
AC_CHECK_LIB(socks, Rconnect)
fi
-dnl check for ssl libraries
-if test "x${with_ssl}" = xyes
-then
- ssl_lose=no
- AC_CHECK_LIB(ssl,SSL_new,,ssl_lose=yes,-lcrypto)
- AC_CHECK_LIB(crypto,main,,ssl_lose=yes)
- if test "$ssl_lose" = no
- then
+dnl $with_ssl can be one of:
+dnl - empty string or "auto", meaning autodetect SSL and use it if found.
+dnl - "yes", meaning link with SSL or bail out.
+dnl - "no", meaning don't link with SSL.
+dnl - anything else, meaning use that as the SSL root, and bail out
+dnl if it fails.
+
+if test x"$with_ssl" = x; then
+ dnl Canonicalize unspecified with-ssl setting to "auto". This
+ dnl implements the "auto-detect by default" feature. If you want to
+ dnl change this to "ignore SSL by default", change "auto" to "no".
+ with_ssl=auto
+fi
+
+dnl Detection of OpenSSL is much hairier than the detection of other
+dnl libraries because OpenSSL can be compiled as a third-party
+dnl library, which means it will not be found without additional
+dnl linker magic. It would be really nice to rework this check into
+dnl an AC_DEFUN so that we can reuse it for other third-party
+dnl libraries.
+
+if test x"$with_ssl" != x"no"; then
+
+ wget_force_ssl=no
+ if test x"$with_ssl" = x"yes"; then
+ wget_force_ssl=yes
+ fi
+
+ if test x"$with_ssl" = x"yes" || test x"$with_ssl" = x"auto"; then
+ dnl OpenSSL's root was not specified, so we have to guess. First
+ dnl try the system default location, then "/usr/local/ssl" (where
+ dnl OpenSSL installs by default), then "/usr/local" (traditional
+ dnl choice for installation root), then "/opt".
+ ssl_all_roots="system-default /usr/local/ssl /usr/local /opt"
+ else
+ dnl Root has been specified by the user.
+ ssl_all_roots=$with_ssl
+ wget_force_ssl=yes
+ fi
+
+ wget_save_CC=$CC
+ wget_save_LIBS=$LIBS
+ wget_save_LDFLAGS=$LDFLAGS
+ wget_save_CPPFLAGS=$CPPFLAGS
+
+ dnl Use libtool for OpenSSL tests so we can specify "-R<rpath>"
+ dnl without having to know how the linker handles it.
+ CC="$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_success=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" = x"system-default"; then
+ dnl Try the default include and 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
+
+ AC_MSG_RESULT([Looking for SSL libraries in $ssl_root])
+
+ dnl Check whether the compiler can find the include files. On
+ dnl some systems Gcc finds libraries in /usr/local/lib, but fails
+ dnl to find the includes in /usr/local/include.
+
+ ssl_found_includes=no
+ CPPFLAGS="$SSL_INCLUDES $wget_save_CPPFLAGS"
+
+ AC_MSG_CHECKING([for includes])
+
+ AC_TRY_CPP([#include <openssl/ssl.h>
+#include <openssl/rsa.h>
+],
+ AC_MSG_RESULT(found); ssl_found_includes=yes,
+ AC_MSG_RESULT([not found])
+ )
+
+ if test x"$ssl_found_includes" = xno; then
+ continue
+ fi
+
+ ssl_link_failure=no
+
+ 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)
+
+ if test x"$ssl_link_failure" = xyes; then
+ dnl One or both libs failed to link.
+ continue
+ fi
+
+ dnl The libraries link. But we still need to check if the program
+ dnl linked with those libraries under these settings with run. On
+ dnl some systems (Solaris), Gcc adds -L/usr/local/lib to the
+ dnl linking line, but fails to add -R/usr/local/lib, thus creating
+ dnl executables that link, but fail to run.
+
+ dnl If we are cross-compiling, just assume that working linkage
+ dnl implies working executable.
+
+ ssl_run_failure=no
+
+ AC_MSG_CHECKING([whether SSL libs are resolved at runtime])
+ AC_TRY_RUN([
+int RSA_new();
+int SSL_new();
+main(){return 0;}
+],
+ AC_MSG_RESULT(yes),
+ AC_MSG_RESULT(no); ssl_run_failure=yes,
+ AC_MSG_RESULT(cross)
+ )
+
+ if test x"$ssl_run_failure" = xno; then
+ ssl_success=yes
+ break
+ fi
+ done
+
+ if test x"$ssl_success" = xyes; then
+ dnl AC_MSG_RESULT doesn't look right here, but I'm not sure what
+ dnl to use 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)
+ else
+ LDFLAGS=$wget_save_LDFLAGS
+ LIBS=$wget_save_LIBS
+
+ dnl If linking with SSL was forced rather than auto-detected, then
+ dnl bail out if SSL failed.
+ if test x"$wget_force_ssl" = x"yes"; then
+ exec >&2
+ echo "ERROR: Failed to find OpenSSL libraries."
+ exit 2
+ fi
+ fi
+
+ dnl Restore the compiler setting.
+ CC=$wget_save_CC
+
+ dnl Restore the CPPFLAGS. Do this regardless of whether linking
+ dnl with SSL succeeded -- SSL includes will be handled using
+ dnl @SSL_INCLUDES@.
+ CPPFLAGS=$wget_save_CPPFLAGS
+fi
+
+dnl
+dnl Find an md5 implementation.
+dnl
+
+if test x"$wget_need_md5" = xyes
+then
+ MD5_OBJ='gen-md5$o'
+
+ found_md5=no
+
+ dnl Check for the system MD5 library on Solaris. We don't check for
+ dnl something simple like "MD5Update" because there are a number of
+ dnl MD5 implementations that use that name. md5_calc is, hopefully,
+ dnl specific to the Solaris MD5 library.
+ if test x"$found_md5" = xno; then
+ AC_CHECK_LIB(md5, md5_calc, [
+ AC_DEFINE(HAVE_SOLARIS_MD5)
+ LIBS="-lmd5 $LIBS"
+ found_md5=yes
+ ])
+ fi
+
+ dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
+ dnl implementation.
+ if test x"$found_md5" = xno; then
+ if test x"$ssl_success" = xyes; then
+ AC_DEFINE(HAVE_OPENSSL_MD5)
+ found_md5=yes
+ fi
fi
+
+ dnl If none of the above worked, use the one we ship with Wget.
+ if test x"$found_md5" = xno; then
+ AC_DEFINE(HAVE_BUILTIN_MD5)
+ found_md5=yes
+ MD5_OBJ="$MD5_OBJ gnu-md5\$o"
+ fi
+fi
+AC_DEFINE(HAVE_MD5)
+AC_SUBST(MD5_OBJ)
+
+dnl **********************************************************************
+dnl Checks for IPv6
+dnl **********************************************************************
+
+dnl
+dnl If --enable-ipv6 is specified, we try to use IPv6 (as long as
+dnl getaddrinfo is also present). If --disable-ipv6 is specified, we
+dnl don't use IPv6 or getaddrinfo.
+dnl
+
+ipv6=
+check_for_ipv6=no
+AC_ARG_ENABLE(ipv6,
+ AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
+ [case "${enable_ipv6}" in
+ no)
+ AC_MSG_NOTICE([Disabling IPv6 at user request])
+ ipv6=no
+ ;;
+ *)
+ ipv6=yes
+ ;;
+ esac],
+ dnl If unspecified, check for IPv6 and use it where available.
+ [check_for_ipv6=yes]
+)
+
+if test "X$ipv6" = "Xyes" || test "X$check_for_ipv6" = "Xyes"; then
+ AC_CHECK_FUNCS(getaddrinfo,[
+ GETADDRINFO_AI_ADDRCONFIG(
+ AC_DEFINE(
+ [HAVE_GETADDRINFO_AI_ADDRCONFIG], 1,
+ [Define if the system headers support the AI_ADDRCONFIG flag.]
+ )
+ )
+ GETADDRINFO_AI_V4MAPPED(
+ AC_DEFINE(
+ [HAVE_GETADDRINFO_AI_V4MAPPED], 1,
+ [Define if the system headers support the AI_V4MAPPED flag.]
+ )
+ )
+ GETADDRINFO_AI_ALL(
+ AC_DEFINE(
+ [HAVE_GETADDRINFO_AI_ALL], 1,
+ [Define if the system headers support the AI_ALL flag.]
+ )
+ )
+ ],[
+ AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
+ ipv6=no
+ ])
+fi
+
+if test "X$ipv6" = "Xyes" || test "X$check_for_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$ipv6" = "Xyes" || test "X$check_for_ipv6" = "Xyes"; then
+ TYPE_STRUCT_SOCKADDR_IN6([
+ ipv6=yes
+ ],[
+ AC_MSG_NOTICE([Disabling IPv6 support: your system does not support 'struct sockaddr_in6'])
+ ipv6=no
+ ])
+ if test "X$ipv6" = "Xyes"; then
+ MEMBER_SIN6_SCOPE_ID
+ fi
+fi
+
+if test "X$ipv6" = "Xyes"; then
+ AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
+fi
+
+
dnl
dnl Set of available languages.
dnl
-ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//')`
+ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
-dnl Original from autoconf, I think.
-dnl ALL_LINGUAS="cs de hr it no pl pt_BR ru"
+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