mirror of
https://github.com/moparisthebest/wget
synced 2024-07-03 16:38:41 -04:00
b554b8e849
Still waiting for rewording of OpenSSL exception; but that could take a while, and in the meantime, these changes should probably be in the trunk. Also includes fix to manual, to remove GPL (for the sake of maintaining lack of invariants).
487 lines
14 KiB
Plaintext
487 lines
14 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 3 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, see <http://www.gnu.org/licenses/>.
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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(2.59)
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dnl Include the M4 macros we use.
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builtin(include, [m4/wget.m4])dnl
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builtin(include, [m4/lib-ld.m4])dnl
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builtin(include, [m4/lib-link.m4])dnl
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builtin(include, [m4/lib-prefix.m4])dnl
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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(ssl,
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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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ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
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test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_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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ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
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test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
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[Define if you want the HTTP Digest Authorization compiled in.])
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AC_ARG_ENABLE(ntlm,
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[ --disable-ntlm disable support for NTLM authorization],
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[ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
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AC_ARG_ENABLE(debug,
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[ --disable-debug disable support for debugging output],
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ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
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test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
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[Define if you want the debug output support compiled in.])
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wget_need_md5=no
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case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
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*yes*)
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wget_need_md5=yes
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esac
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if test x"$ENABLE_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 "$CC" && cc_specified=yes
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AC_PROG_CC
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AC_AIX
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dnl Turn on optimization by default. Specifically:
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dnl
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dnl if the user hasn't specified CFLAGS, then
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dnl if compiler is gcc, then
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dnl use -O2 and some warning flags
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dnl else
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dnl use os-specific flags or -O
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if test -n "$auto_cflags"; then
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if test -n "$GCC"; then
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CFLAGS="$CFLAGS -O2 -Wall"
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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 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 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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dnl Check for basic headers, even though we expect them to exist and
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dnl #include them unconditionally in the code. Their detection is
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dnl still needed because test programs used by Autoconf macros check
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dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
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dnl Without the checks they will fail to be included in test programs,
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dnl which will subsequently fail.
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AC_HEADER_STDC
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dnl Check for large file support. This check needs to come fairly
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dnl early because it could (in principle) affect whether functions and
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dnl headers are available, whether they work, etc.
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AC_SYS_LARGEFILE
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AC_CHECK_SIZEOF(off_t)
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dnl
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dnl Checks for system header files that might be missing.
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dnl
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AC_HEADER_STDBOOL
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AC_CHECK_HEADERS(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 pwd.h)
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dnl
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dnl Check sizes of integer types. These are used to find n-bit
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dnl integral types on older systems that fail to provide intN_t and
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dnl uintN_t typedefs.
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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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AC_CHECK_SIZEOF(void *)
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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, uintptr_t, intptr_t, int64_t])
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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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#include <signal.h>
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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_FUNC_FSEEKO
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AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
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AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr)
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dnl We expect to have these functions on Unix-like systems configure
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dnl runs on. The defines are provided to get them in config.h.in so
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dnl Wget can still be ported to non-Unix systems (such as Windows)
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dnl that lack some of these functions.
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AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
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AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
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AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
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AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
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AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
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dnl
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dnl Call Wget-specific 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_POSIX_CLOCK
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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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if test x"$with_ssl" = xgnutls
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then
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dnl Now actually check for -lssl
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AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
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#include <gnutls/gnutls.h>
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], [gnutls_global_init()])
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if test x"$LIBGNUTLS" != x
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then
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AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
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SSL_OBJ='gnutls.o'
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else
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AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
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fi
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elif test x"$with_ssl" != xno; then
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dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
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dnl doesn't record its dependency on libdl, so we need to make sure
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dnl -ldl ends up in LIBS on systems that have it. Most OSes use
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dnl dlopen(), but HP-UX uses 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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])
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dnl Now actually check for -lssl
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AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
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#include <openssl/ssl.h>
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#include <openssl/x509.h>
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/des.h>
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#include <openssl/md4.h>
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#include <openssl/md5.h>
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], [SSL_library_init ()])
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if test x"$LIBSSL" != x
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then
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AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
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SSL_OBJ='openssl.o'
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elif test x"$with_ssl" != x
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then
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AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
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fi
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fi
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AC_SUBST(SSL_OBJ)
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dnl Enable NTLM if requested and if SSL is available.
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NTLM_OBJ=''
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if test x"$LIBSSL" != x
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then
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if test x"$ENABLE_NTLM" != xno
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then
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AC_DEFINE([ENABLE_NTLM], 1,
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[Define if you want the NTLM authorization support compiled in.])
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NTLM_OBJ='http-ntlm.o'
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fi
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else
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dnl If SSL is unavailable and the user explicitly requested NTLM,
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dnl abort.
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if test x"$ENABLE_NTLM" = xyes
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then
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AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
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fi
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fi
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AC_SUBST(NTLM_OBJ)
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dnl
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dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
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dnl to use an existing library implementation to save on code size.
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dnl
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if test x"$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, but have an otherwise
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dnl incompatible interface. md5_calc is, hopefully, specific to the
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dnl 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([for working md5.h])
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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 when using 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"$LIBSSL" != x; then
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AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
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found_md5=yes
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AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
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fi
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fi
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dnl If none of the above worked, use the one we ship with Wget.
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if test x"$found_md5" = xno; then
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AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using 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 built-in (GNU) MD5 implementation])
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AC_C_BIGENDIAN
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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 We test for IPv6 by checking, in turn, for availability of
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dnl getaddrinfo, presence of the INET6 address/protocol family, and
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dnl the existence of struct sockaddr_in6. If any of them is missing,
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dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
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dnl
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dnl If --enable-ipv6 is explicitly specified on the configure command
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dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
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dnl is specified, we disable IPv6 and don't check for it. The default
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dnl is to autodetect IPv6 and use it where available.
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dnl
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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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dnl Disable IPv6 checking
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ipv6=no
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;;
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yes)
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dnl IPv6 explicitly enabled: force its use (abort if unavailable).
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ipv6=yes
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force_ipv6=yes
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;;
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auto)
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dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
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ipv6=yes
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;;
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*)
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AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
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;;
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esac
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], [
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dnl If nothing is specified, assume auto-detection.
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ipv6=yes
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]
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)
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if test "X$ipv6" = "Xyes"; then
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AC_CHECK_FUNCS(getaddrinfo, [], [
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AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
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ipv6=no
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])
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fi
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if test "X$ipv6" = "Xyes"; then
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PROTO_INET6([], [
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AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
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ipv6=no
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])
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fi
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if test "X$ipv6" = "Xyes"; then
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TYPE_STRUCT_SOCKADDR_IN6([],[
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AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
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ipv6=no
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])
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if test "X$ipv6" = "Xyes"; then
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WGET_STRUCT_SOCKADDR_STORAGE
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MEMBER_SIN6_SCOPE_ID
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fi
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fi
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if test "X$ipv6" = "Xyes"; then
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AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
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AC_MSG_NOTICE([Enabling support for IPv6.])
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elif test "x$force_ipv6" = "xyes"; then
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AC_MSG_ERROR([IPv6 support requested but not found; aborting])
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fi
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dnl
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dnl Set of available languages.
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dnl
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dnl Originally this used to be static, looking like this:
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dnl ALL_LINGUAS="cs de hr it ..."
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dnl The downside was that configure needed to be rebuilt whenever a
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dnl new language was added.
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dnl
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ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
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dnl internationalization macros
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WGET_WITH_NLS
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dnl
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dnl Find makeinfo. We used to provide support for Emacs processing
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dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
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dnl unavailable, but that broke with the addition of makeinfo-specific
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dnl command-line options, such as `-I'. Now we depend on makeinfo to
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dnl build the Info documentation.
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dnl
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AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
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dnl
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dnl Find perl and pod2man
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dnl
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AC_PATH_PROGS(PERL, [perl5 perl], no)
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AC_PATH_PROG(POD2MAN, pod2man, no)
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if test "x${POD2MAN}" = xno; then
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COMMENT_IF_NO_POD2MAN="# "
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else
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COMMENT_IF_NO_POD2MAN=
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fi
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AC_SUBST(COMMENT_IF_NO_POD2MAN)
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dnl
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dnl Create output
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dnl
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AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
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po/Makefile.in tests/Makefile windows/Makefile])
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AC_CONFIG_HEADERS([src/config.h])
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AH_BOTTOM([
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#include "config-post.h"
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])
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AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
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AC_CONFIG_COMMANDS([default], [WGET_PROCESS_PO])
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AC_OUTPUT
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