1 dnl Template file for GNU Autoconf
2 dnl Copyright (C) 1995, 1996, 1997, 2001 Free Software Foundation, Inc.
4 dnl This program is free software; you can redistribute it and/or modify
5 dnl it under the terms of the GNU General Public License as published by
6 dnl the Free Software Foundation; either version 2 of the License, or
7 dnl (at your option) any later version.
9 dnl This program is distributed in the hope that it will be useful,
10 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
11 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 dnl GNU General Public License for more details.
14 dnl You should have received a copy of the GNU General Public License
15 dnl along with this program; if not, write to the Free Software
16 dnl Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 dnl In addition, as a special exception, the Free Software Foundation
19 dnl gives permission to link the code of its release of Wget with the
20 dnl OpenSSL project's "OpenSSL" library (or with modified versions of it
21 dnl that use the same license as the "OpenSSL" library), and distribute
22 dnl the linked executables. You must obey the GNU General Public License
23 dnl in all respects for all of the code used other than "OpenSSL". If you
24 dnl modify this file, you may extend this exception to your version of the
25 dnl file, but you are not obligated to do so. If you do not wish to do
26 dnl so, delete this exception statement from your version.
29 dnl Process this file with autoconf to produce a configure script.
32 AC_INIT([src/version.c])
36 dnl What version of Wget are we building?
38 VERSION=`sed -e 's/^.*"\(.*\)";$/\1/' ${srcdir}/src/version.c`
39 AC_MSG_NOTICE([configuring for GNU Wget $VERSION])
45 dnl Get cannonical host
48 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
49 [Define to be the name of the operating system.])
56 [[ --with-ssl[=SSL-ROOT] link with SSL support [default=auto]
57 --without-ssl disable SSL autodetection]])
60 [ --disable-opie disable support for opie or s/key FTP login],
61 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
62 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
63 [Define if you want the Opie support for FTP compiled in.])
66 [ --disable-digest disable support for HTTP digest authorization],
67 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
68 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
69 [Define if you want the HTTP Digest Authorization compiled in.])
72 [ --disable-ntlm disable support for NTLM authorization],
73 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
76 [ --disable-debug disable support for debugging output],
77 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
78 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
79 [Define if you want the debug output support compiled in.])
83 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
87 if test x"$ENABLE_OPIE" = xyes; then
93 dnl Whether make sets $(MAKE)...
98 dnl Find a good install
103 dnl Find the compiler
106 dnl We want these before the checks, so the checks can modify their values.
107 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
108 test -z "$CC" && cc_specified=yes
113 dnl Turn on optimization by default. Specifically:
115 dnl if the user hasn't specified CFLAGS, then
116 dnl if compiler is gcc, then
117 dnl use -O2 and some warning flags
119 dnl use os-specific flags or -O
120 if test -n "$auto_cflags"; then
121 if test -n "$GCC"; then
122 CFLAGS="$CFLAGS -O2 -Wall -Wno-implicit"
125 *hpux*) CFLAGS="$CFLAGS +O3" ;;
126 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
127 *) CFLAGS="$CFLAGS -O" ;;
133 dnl In case of {cyg,gnu}win32. Should be a _target_ test.
134 dnl Might also be erelevant for DJGPP.
137 *win32) exeext='.exe';;
143 dnl Checks for basic compiler characteristics.
148 dnl Needed for GNU md5 code.
152 dnl Checks for header files that might be missing.
155 dnl Check for basic headers, even those we assume the presence of.
156 dnl This is because test programs used by Autoconf macros check for
157 dnl STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before including them.
158 dnl Without these checks they will fail to be included in test
159 dnl programs, which will subsequently fail.
161 AC_CHECK_HEADERS(sys/types.h sys/stat.h)
163 dnl Now the real checks:
165 AC_CHECK_HEADERS(string.h strings.h limits.h unistd.h sys/time.h)
166 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
167 AC_CHECK_HEADERS(stdint.h inttypes.h setjmp.h pwd.h)
170 dnl Check sizes of signed integer types. These are used to find n-bit
171 dnl integral types on older systems that fail to provide intN_t and
172 dnl uintN_t typedefs.
174 AC_CHECK_SIZEOF(short)
176 AC_CHECK_SIZEOF(long)
177 AC_CHECK_SIZEOF(long long)
180 dnl Check for large file support. This check needs to come fairly
181 dnl early because it could (in principle) affect whether functions and
182 dnl headers are available, whether they work, etc.
185 AC_CHECK_SIZEOF(off_t)
188 dnl Checks for non-universal or system-specific types.
192 AC_CHECK_TYPES(uint32_t)
193 AC_CHECK_TYPES(sig_atomic_t, [], [], [
195 #include <sys/types.h>
197 # include <inttypes.h>
203 dnl Checks for library functions.
208 AC_CHECK_FUNCS(strdup strcasecmp strncasecmp)
209 AC_CHECK_FUNCS(strptime snprintf vsnprintf)
210 AC_CHECK_FUNCS(usleep ftello sigblock sigsetjmp)
211 AC_CHECK_FUNCS(symlink isatty)
214 dnl Call Wget-specific macros defined in aclocal.
224 dnl Check if we need to compile in getopt.c.
226 AC_CHECK_FUNC(getopt_long, [], [
227 GETOPT_OBJ='getopt.o'
232 dnl Checks for libraries.
234 AC_CHECK_LIB(dl,dlopen)
235 AC_CHECK_LIB(dl,shl_load)
237 dnl Check for OpenSSL
238 AC_LIB_LINKFLAGS([crypto])
239 AC_LIB_LINKFLAGS([ssl],[crypto],[
240 #include <openssl/ssl.h>
241 #include <openssl/x509.h>
242 #include <openssl/err.h>
243 #include <openssl/rand.h>
244 #include <openssl/des.h>
245 #include <openssl/md4.h>
246 #include <openssl/md5.h>
248 if test x"$LIBSSL" != x
250 AC_MSG_NOTICE([compiling in support for SSL])
251 AC_DEFINE([HAVE_SSL], 1,
252 [Define if SSL support should be compiled in.])
257 dnl Enable NTLM if requested and if SSL is available.
259 if test x"$ssl_success" = xyes
261 if test x"$ENABLE_NTLM" != xno
263 AC_DEFINE([ENABLE_NTLM], 1,
264 [Define if you want the NTLM authorization support compiled in.])
265 NTLM_OBJ='http-ntlm.o'
268 dnl If SSL is unavailable and the user explicitly requested NTLM,
270 if test x"$ENABLE_NTLM" = xyes
272 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
278 dnl Find an md5 implementation.
281 if test x"$wget_need_md5" = xyes
283 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
284 dnl manipulate MD5_OBJ from the defun.
289 dnl Check for the system MD5 library on Solaris. We don't check for
290 dnl something simple like "MD5Update" because there are a number of
291 dnl MD5 implementations that use that name. md5_calc is, hopefully,
292 dnl specific to the Solaris MD5 library.
293 if test x"$found_md5" = xno; then
294 AC_CHECK_LIB(md5, md5_calc, [
295 dnl Some installations have bogus <md5.h> in the compiler's
296 dnl include path, making the system md5 library useless.
297 AC_MSG_CHECKING([for working md5.h])
298 AC_COMPILE_IFELSE([#include <md5.h>
301 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define to use Solaris MD5.])
304 AC_MSG_NOTICE([using the Solaris MD5 implementation])
305 ], [AC_MSG_RESULT(no)])
309 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
311 if test x"$found_md5" = xno; then
312 if test x"$ssl_success" = xyes; then
313 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define to use OpenSSL MD5.])
315 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
319 dnl If none of the above worked, use the one we ship with Wget.
320 if test x"$found_md5" = xno; then
321 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define to use built-in MD5.])
322 MD5_OBJ="$MD5_OBJ gnu-md5.o"
324 AC_MSG_NOTICE([using the GNU MD5 implementation])
327 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
330 dnl **********************************************************************
332 dnl **********************************************************************
335 dnl If --enable-ipv6 is specified, we try to use IPv6 (as long as
336 dnl getaddrinfo is also present). If --disable-ipv6 is specified, we
337 dnl don't use IPv6 or getaddrinfo. Otherwise we detect IPv6 and use
338 dnl it where available.
342 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
343 [case "${enable_ipv6}" in
345 AC_MSG_NOTICE([disabling IPv6 at user request])
346 dnl Disable IPv6 checking
350 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
355 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
359 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
363 dnl If nothing is specified, assume auto-detection.
368 if test "X$ipv6" = "Xyes"; then
369 AC_CHECK_FUNCS(getaddrinfo, [], [
370 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
375 if test "X$ipv6" = "Xyes"; then
377 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
382 if test "X$ipv6" = "Xyes"; then
383 TYPE_STRUCT_SOCKADDR_IN6([],[
384 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
387 if test "X$ipv6" = "Xyes"; then
388 WGET_STRUCT_SOCKADDR_STORAGE
393 if test "X$ipv6" = "Xyes"; then
394 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
395 AC_MSG_NOTICE([Enabling support for IPv6.])
396 elif test "x$force_ipv6" = "xyes"; then
397 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
402 dnl Set of available languages.
404 ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
406 dnl Originally this used to be static, looking like this:
407 dnl ALL_LINGUAS="cs de hr it ..."
408 dnl The downside was that configure needed to be rebuilt whenever a
409 dnl new language was added.
411 dnl internationalization macros
415 dnl Find makeinfo. We used to provide support for Emacs processing
416 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
417 dnl unavailable, but that broke with the addition of makeinfo-specific
418 dnl command-line options, such as `-I'. Now we depend on makeinfo to
419 dnl build the Info documentation.
422 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
425 dnl Find perl and pod2man
428 AC_PATH_PROGS(PERL, [perl5 perl], no)
429 AC_PATH_PROG(POD2MAN, pod2man, no)
431 if test "x${POD2MAN}" = xno; then
432 COMMENT_IF_NO_POD2MAN="# "
434 COMMENT_IF_NO_POD2MAN=
436 AC_SUBST(COMMENT_IF_NO_POD2MAN)
441 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
442 po/Makefile.in windows/Makefile])
443 AC_CONFIG_HEADERS([src/config.h])
445 #include "config-post.h"
447 AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
448 AC_CONFIG_COMMANDS([default], [WGET_PROCESS_PO])