mirror of
https://github.com/moparisthebest/wget
synced 2024-07-03 16:38:41 -04:00
594 lines
16 KiB
Plaintext
594 lines
16 KiB
Plaintext
dnl Template file for GNU Autoconf
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dnl Copyright (C) 1995, 1996, 1997, 2001 Free Software Foundation, Inc.
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2 of the License, or
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dnl (at your option) any later version.
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program; if not, write to the Free Software
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dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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dnl In addition, as a special exception, the Free Software Foundation
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dnl gives permission to link the code of its release of Wget with the
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dnl OpenSSL project's "OpenSSL" library (or with modified versions of it
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dnl that use the same license as the "OpenSSL" library), and distribute
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dnl the linked executables. You must obey the GNU General Public License
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dnl in all respects for all of the code used other than "OpenSSL". If you
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dnl modify this file, you may extend this exception to your version of the
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dnl file, but you are not obligated to do so. If you do not wish to do
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dnl so, delete this exception statement from your version.
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dnl
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dnl Process this file with autoconf to produce a configure script.
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dnl
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AC_INIT([src/version.c])
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AC_PREREQ(2.57)
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dnl
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dnl What version of Wget are we building?
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dnl
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VERSION=`sed -e 's/^.*"\(.*\)";$/\1/' ${srcdir}/src/version.c`
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AC_MSG_NOTICE([configuring for GNU Wget $VERSION])
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AC_SUBST(VERSION)
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PACKAGE=wget
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AC_SUBST(PACKAGE)
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dnl
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dnl Get cannonical host
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dnl
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AC_CANONICAL_HOST
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AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
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[Define to be the name of the operating system.])
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dnl
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dnl Process features.
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dnl
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AC_ARG_WITH(socks,
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[ --with-socks use the socks library],
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[AC_DEFINE([HAVE_SOCKS], 1,
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[Define if you wish to compile with socks support.])]
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)
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AC_ARG_WITH(ssl,
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[[ --with-ssl[=SSL-ROOT] link with SSL support [default=auto]
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--without-ssl disable SSL autodetection]])
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AC_ARG_ENABLE(opie,
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[ --disable-opie disable support for opie or s/key FTP login],
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USE_OPIE=$enableval, USE_OPIE=yes)
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test x"${USE_OPIE}" = xyes && AC_DEFINE([USE_OPIE], 1,
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[Define if you want the Opie support for FTP compiled in.])
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AC_ARG_ENABLE(digest,
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[ --disable-digest disable support for HTTP digest authorization],
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USE_DIGEST=$enableval, USE_DIGEST=yes)
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test x"${USE_DIGEST}" = xyes && AC_DEFINE([USE_DIGEST], 1,
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[Define if you want the HTTP Digest Authorization compiled in.])
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AC_ARG_ENABLE(debug,
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[ --disable-debug disable support for debugging output],
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ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
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test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
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[Define if you want the debug output support compiled in.])
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wget_need_md5=no
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case "${USE_OPIE}${USE_DIGEST}" in
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*yes*)
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wget_need_md5=yes
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esac
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if test x"$USE_OPIE" = xyes; then
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OPIE_OBJ='ftp-opie$o'
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fi
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AC_SUBST(OPIE_OBJ)
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dnl
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dnl Whether make sets $(MAKE)...
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dnl
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AC_PROG_MAKE_SET
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dnl
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dnl Find a good install
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dnl
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AC_PROG_INSTALL
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dnl
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dnl Find the compiler
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dnl
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dnl We want these before the checks, so the checks can modify their values.
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test -z "$CFLAGS" && CFLAGS= auto_cflags=1
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test -z "$CC" && cc_specified=yes
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AC_PROG_CC
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dnl
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dnl if the user hasn't specified CFLAGS, then
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dnl if compiler is gcc, then use -O2 and some warning flags
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dnl else use os-specific flags or -O
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dnl
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if test -n "$auto_cflags"; then
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if test -n "$GCC"; then
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CFLAGS="$CFLAGS -O2 -Wall -Wno-implicit"
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else
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case "$host_os" in
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*hpux*) CFLAGS="$CFLAGS +O3" ;;
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*ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
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*) CFLAGS="$CFLAGS -O" ;;
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esac
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fi
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fi
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dnl
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dnl Handle AIX
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dnl
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AC_AIX
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dnl
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dnl Configure our included libtool and make sure it's regenerated when needed
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dnl
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AC_PROG_LIBTOOL
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AC_SUBST(LIBTOOL_DEPS)
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dnl
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dnl In case of {cyg,gnu}win32. Should be a _target_ test.
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dnl Might also be erelevant for DJGPP.
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dnl
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case "$host_os" in
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*win32) exeext='.exe';;
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*) exeext='';;
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esac
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AC_SUBST(exeext)
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dnl
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dnl Check if we can handle prototypes.
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dnl
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AM_C_PROTOTYPES
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dnl
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dnl Checks for basic compiler characteristics.
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dnl
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AC_C_CONST
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AC_C_INLINE
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AC_C_VOLATILE
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AC_C_BIGENDIAN
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dnl
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dnl Checks for headers
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dnl
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dnl Check for these even though we assume their presence. This is
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dnl because Autoconf built-in macros expect their HAVE_* constants to
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dnl be available.
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AC_CHECK_HEADERS(sys/types.h sys/stat.h)
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AC_CHECK_HEADERS(string.h strings.h stdarg.h unistd.h sys/time.h)
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AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
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AC_CHECK_HEADERS(stdint.h inttypes.h signal.h setjmp.h pwd.h)
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AC_HEADER_TIME
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dnl
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dnl Check integral type sizes.
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dnl
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AC_CHECK_SIZEOF(short)
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(long long)
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dnl
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dnl Checks for non-universal or system-specific types.
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dnl
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AC_TYPE_SIZE_T
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AC_TYPE_PID_T
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AC_CHECK_TYPES(uint32_t)
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AC_TYPE_SIGNAL
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AC_CHECK_TYPES(sig_atomic_t, [], [], [
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#include <stdio.h>
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#include <sys/types.h>
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#ifdef HAVE_SIGNAL_H
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# include <signal.h>
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#endif
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])
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dnl
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dnl Checks for library functions.
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dnl
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AC_FUNC_ALLOCA
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AC_FUNC_MMAP
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AC_CHECK_FUNCS(strdup strstr strcasecmp strncasecmp strpbrk memmove)
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AC_CHECK_FUNCS(gettimeofday mktime strptime strerror snprintf vsnprintf)
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AC_CHECK_FUNCS(usleep select sigblock sigsetjmp signal symlink access isatty)
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dnl
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dnl Call Wget's local macros defined in aclocal.
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dnl
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WGET_STRUCT_UTIMBUF
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WGET_SOCKLEN_T
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WGET_FNMATCH
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WGET_NANOSLEEP
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WGET_NSL_SOCKET
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dnl
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dnl Check if we need to compile in getopt.c.
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dnl
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AC_CHECK_FUNC(getopt_long, [], [
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GETOPT_OBJ='getopt$o'
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])
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AC_SUBST(GETOPT_OBJ)
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dnl
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dnl Checks for libraries.
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dnl
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dnl #### This appears to be deficient with later versions of SOCKS.
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if test "x${with_socks}" = xyes
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then
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AC_CHECK_LIB(resolv, main)
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AC_CHECK_LIB(socks, Rconnect)
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fi
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dnl $with_ssl can be one of:
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dnl - empty string or "auto", meaning autodetect SSL and use it if found.
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dnl - "yes", meaning link with SSL or bail out.
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dnl - "no", meaning don't link with SSL.
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dnl - anything else, meaning use that as the SSL root, and bail out
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dnl if it fails.
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if test x"$with_ssl" = x; then
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dnl Canonicalize unspecified with-ssl setting to "auto". This
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dnl implements the "auto-detect by default" feature. If you want to
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dnl change this to "ignore SSL by default", change "auto" to "no".
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with_ssl=auto
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fi
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dnl Detection of OpenSSL is much hairier than the detection of other
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dnl libraries because OpenSSL can be compiled as a third-party
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dnl library, which means it will not be found without additional
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dnl linker magic. It would be really nice to rework this check into
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dnl an AC_DEFUN so that we can reuse it for other third-party
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dnl libraries.
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if test x"$with_ssl" != x"no"; then
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wget_force_ssl=no
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if test x"$with_ssl" = x"yes"; then
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wget_force_ssl=yes
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fi
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if test x"$with_ssl" = x"yes" || test x"$with_ssl" = x"auto"; then
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dnl OpenSSL's root was not specified, so we have to guess. First
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dnl try the system default location, then "/usr/local/ssl" (where
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dnl OpenSSL installs by default), then "/usr/local" (traditional
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dnl choice for installation root), then "/opt".
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ssl_all_roots="system-default /usr/local/ssl /usr/local /opt"
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else
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dnl Root has been specified by the user.
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ssl_all_roots=$with_ssl
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wget_force_ssl=yes
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fi
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wget_save_CC=$CC
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wget_save_LIBS=$LIBS
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wget_save_LDFLAGS=$LDFLAGS
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wget_save_CPPFLAGS=$CPPFLAGS
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dnl Use libtool for OpenSSL tests so we can specify "-R<rpath>"
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dnl without having to know how the linker handles it.
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CC="$SHELL ./libtool $CC"
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dnl Unfortunately, as of this writing (OpenSSL 0.9.6), the libcrypto
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dnl shared library doesn't record its dependency on libdl, so we
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dnl need to check for it ourselves so we won't fail to link due to a
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dnl lack of -ldl. Most OSes use dlopen(), but HP-UX uses
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dnl shl_load().
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AC_CHECK_LIB(dl,dlopen)
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AC_CHECK_LIB(dl,shl_load)
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ssl_success=no
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dnl Now try to find SSL libraries in each of the likely SSL roots.
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for ssl_root in $ssl_all_roots
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do
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if test x"$ssl_root" = x"system-default"; then
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dnl Try the default include and library locations.
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SSL_INCLUDES=
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else
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dnl Try this specific root.
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SSL_INCLUDES=-I$ssl_root/include
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dnl It's OK to use -R directly because libtool will
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dnl interpret it for us.
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LDFLAGS="-L$ssl_root/lib -R$ssl_root/lib $wget_save_LDFLAGS"
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fi
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AC_MSG_NOTICE([looking for SSL libraries in $ssl_root])
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dnl Check whether the compiler can find the include files. On
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dnl some systems Gcc finds libraries in /usr/local/lib, but fails
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dnl to find the includes in /usr/local/include.
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ssl_found_includes=no
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CPPFLAGS="$SSL_INCLUDES $wget_save_CPPFLAGS"
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AC_MSG_CHECKING([for includes])
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AC_TRY_CPP([#include <openssl/ssl.h>
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#include <openssl/rsa.h>
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],
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AC_MSG_RESULT(found); ssl_found_includes=yes,
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AC_MSG_RESULT([not found])
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)
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if test x"$ssl_found_includes" = xno; then
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continue
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fi
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ssl_link_failure=no
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dnl Make sure that the checks don't run afoul of the cache. It
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dnl would be nicer to temporarily turn off the cache, but
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dnl apparently Autoconf doesn't allow that.
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unset ac_cv_lib_crypto_RSA_new
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unset ac_cv_lib_ssl_SSL_new
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dnl These checks need to be in this order, or you'll get a link
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dnl failure if you use a static libcrypto.a and libssl.a rather
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dnl than shared libraries.
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AC_CHECK_LIB(crypto, RSA_new, , ssl_link_failure=yes)
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AC_CHECK_LIB(ssl, SSL_new, , ssl_link_failure=yes)
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if test x"$ssl_link_failure" = xyes; then
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dnl One or both libs failed to link.
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continue
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fi
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dnl The libraries link. But we still need to check if the program
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dnl linked with those libraries under these settings with run. On
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dnl some systems (Solaris), Gcc adds -L/usr/local/lib to the
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dnl linking line, but fails to add -R/usr/local/lib, thus creating
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dnl executables that link, but fail to run.
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dnl If we are cross-compiling, just assume that working linkage
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dnl implies working executable.
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ssl_run_failure=no
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AC_MSG_CHECKING([whether SSL libs are resolved at runtime])
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AC_TRY_RUN([
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int RSA_new();
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int SSL_new();
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main(){return 0;}
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],
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no); ssl_run_failure=yes,
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AC_MSG_RESULT(cross)
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)
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if test x"$ssl_run_failure" = xno; then
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ssl_success=yes
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break
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fi
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done
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if test x"$ssl_success" = xyes; then
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AC_MSG_NOTICE([compiling in support for SSL in $ssl_root])
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AC_DEFINE([HAVE_SSL], 1,
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[Define if SSL support should be compiled in.])
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AC_SUBST(SSL_INCLUDES)
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SSL_OBJ='gen_sslfunc$o'
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AC_SUBST(SSL_OBJ)
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else
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LDFLAGS=$wget_save_LDFLAGS
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LIBS=$wget_save_LIBS
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dnl If linking with SSL was forced rather than auto-detected, then
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dnl bail out if SSL failed.
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if test x"$wget_force_ssl" = x"yes"; then
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AC_MSG_ERROR([failed to find OpenSSL libraries], 2)
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fi
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fi
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dnl Restore the compiler setting.
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CC=$wget_save_CC
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dnl Restore the CPPFLAGS. Do this regardless of whether linking
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dnl with SSL succeeded -- SSL includes will be handled using
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dnl @SSL_INCLUDES@.
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CPPFLAGS=$wget_save_CPPFLAGS
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fi
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dnl
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dnl Find an md5 implementation.
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dnl
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if test x"$wget_need_md5" = xyes
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then
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dnl This should be moved to an AC_DEFUN, but I'm not sure how to
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dnl manipulate MD5_OBJ from the defun.
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MD5_OBJ='gen-md5$o'
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found_md5=no
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dnl Check for the system MD5 library on Solaris. We don't check for
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dnl something simple like "MD5Update" because there are a number of
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dnl MD5 implementations that use that name. md5_calc is, hopefully,
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dnl specific to the Solaris MD5 library.
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if test x"$found_md5" = xno; then
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AC_CHECK_LIB(md5, md5_calc, [
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dnl Some installations have bogus <md5.h> in the compiler's
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dnl include path, making the system md5 library useless.
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AC_MSG_CHECKING([whether md5.h can be included])
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AC_COMPILE_IFELSE([#include <md5.h>
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], [
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AC_MSG_RESULT(yes)
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AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define to use Solaris MD5.])
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LIBS="-lmd5 $LIBS"
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found_md5=yes
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AC_MSG_NOTICE([using the Solaris MD5 implementation])
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], [AC_MSG_RESULT(no)])
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])
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fi
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dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
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dnl implementation.
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if test x"$found_md5" = xno; then
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if test x"$ssl_success" = xyes; then
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AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define to use OpenSSL MD5.])
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found_md5=yes
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AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
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fi
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fi
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dnl If none of the above worked, use the one we ship with Wget.
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if test x"$found_md5" = xno; then
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AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define to use built-in MD5.])
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MD5_OBJ="$MD5_OBJ gnu-md5\$o"
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found_md5=yes
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AC_MSG_NOTICE([using the GNU MD5 implementation])
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fi
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fi
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AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
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AC_SUBST(MD5_OBJ)
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dnl **********************************************************************
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dnl Checks for IPv6
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dnl **********************************************************************
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dnl
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dnl If --enable-ipv6 is specified, we try to use IPv6 (as long as
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dnl getaddrinfo is also present). If --disable-ipv6 is specified, we
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dnl don't use IPv6 or getaddrinfo.
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dnl
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ipv6=
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check_for_ipv6=no
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AC_ARG_ENABLE(ipv6,
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AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
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[case "${enable_ipv6}" in
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no)
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AC_MSG_NOTICE([disabling IPv6 at user request])
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ipv6=no
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;;
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*)
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ipv6=yes
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;;
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esac],
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dnl If unspecified, check for IPv6 and use it where available.
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[check_for_ipv6=yes]
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)
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if test "X$ipv6" = "Xyes" || test "X$check_for_ipv6" = "Xyes"; then
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AC_CHECK_FUNCS(getaddrinfo,[
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GETADDRINFO_AI_ADDRCONFIG(
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AC_DEFINE(
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[HAVE_GETADDRINFO_AI_ADDRCONFIG], 1,
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[Define if the system headers support the AI_ADDRCONFIG flag.]
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)
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)
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GETADDRINFO_AI_V4MAPPED(
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|
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 ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
|
|
|
|
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_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
|
|
po/Makefile.in windows/Makefile])
|
|
AC_CONFIG_HEADERS([src/config.h])
|
|
AH_BOTTOM([
|
|
#include "config-post.h"
|
|
])
|
|
AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
|
|
AC_CONFIG_COMMANDS([default], [WGET_PROCESS_PO])
|
|
AC_OUTPUT
|