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])
35 dnl Include the M4 macros we use.
36 builtin(include, [m4/wget.m4])dnl
37 builtin(include, [m4/lib-ld.m4])dnl
38 builtin(include, [m4/lib-link.m4])dnl
39 builtin(include, [m4/lib-prefix.m4])dnl
42 dnl What version of Wget are we building?
44 VERSION=`sed -e 's/^.*"\(.*\)";$/\1/' ${srcdir}/src/version.c`
45 AC_MSG_NOTICE([configuring for GNU Wget $VERSION])
51 dnl Get cannonical host
54 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
55 [Define to be the name of the operating system.])
62 [[ --with-ssl[=SSL-ROOT] link with SSL support [default=auto]
63 --without-ssl disable SSL autodetection]])
66 [ --disable-opie disable support for opie or s/key FTP login],
67 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
68 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
69 [Define if you want the Opie support for FTP compiled in.])
72 [ --disable-digest disable support for HTTP digest authorization],
73 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
74 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
75 [Define if you want the HTTP Digest Authorization compiled in.])
78 [ --disable-ntlm disable support for NTLM authorization],
79 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
82 [ --disable-debug disable support for debugging output],
83 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
84 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
85 [Define if you want the debug output support compiled in.])
89 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
93 if test x"$ENABLE_OPIE" = xyes; then
99 dnl Whether make sets $(MAKE)...
104 dnl Find a good install
109 dnl Find the compiler
112 dnl We want these before the checks, so the checks can modify their values.
113 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
114 test -z "$CC" && cc_specified=yes
119 dnl Turn on optimization by default. Specifically:
121 dnl if the user hasn't specified CFLAGS, then
122 dnl if compiler is gcc, then
123 dnl use -O2 and some warning flags
125 dnl use os-specific flags or -O
126 if test -n "$auto_cflags"; then
127 if test -n "$GCC"; then
128 CFLAGS="$CFLAGS -O2 -Wall -Wno-implicit"
131 *hpux*) CFLAGS="$CFLAGS +O3" ;;
132 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
133 *) CFLAGS="$CFLAGS -O" ;;
139 dnl In case of {cyg,gnu}win32. Should be a _target_ test.
140 dnl Might also be erelevant for DJGPP.
143 *win32) exeext='.exe';;
149 dnl Checks for basic compiler characteristics.
154 dnl Needed for GNU md5 code.
158 dnl Checks for header files that might be missing.
161 dnl Check for basic headers, even though we expect their presence to
162 dnl compile. This is because test programs used by Autoconf macros
163 dnl check for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before including
164 dnl them. Without these checks they will fail to be included in test
165 dnl programs, which will subsequently fail.
168 dnl Now the real checks:
170 AC_CHECK_HEADERS(unistd.h sys/time.h)
171 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
172 AC_CHECK_HEADERS(stdint.h inttypes.h setjmp.h pwd.h)
175 dnl Check sizes of signed integer types. These are used to find n-bit
176 dnl integral types on older systems that fail to provide intN_t and
177 dnl uintN_t typedefs.
179 AC_CHECK_SIZEOF(short)
181 AC_CHECK_SIZEOF(long)
182 AC_CHECK_SIZEOF(long long)
185 dnl Check for large file support. This check needs to come fairly
186 dnl early because it could (in principle) affect whether functions and
187 dnl headers are available, whether they work, etc.
190 AC_CHECK_SIZEOF(off_t)
193 dnl Checks for non-universal or system-specific types.
197 AC_CHECK_TYPES(uint32_t)
198 AC_CHECK_TYPES(sig_atomic_t, [], [], [
200 #include <sys/types.h>
202 # include <inttypes.h>
208 dnl Checks for library functions.
213 AC_CHECK_FUNCS(strptime snprintf vsnprintf)
214 AC_CHECK_FUNCS(usleep ftello sigblock sigsetjmp symlink)
216 dnl We expect to have these functions on Unix-like systems configure
217 dnl runs on. The defines are provided to get them in config.h.in so
218 dnl Wget can still be ported to non-Unix systems (such as Windows)
219 dnl that lack some of these functions.
220 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
221 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
222 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
223 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
224 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
227 dnl Call Wget-specific macros defined in aclocal.
237 dnl Check if we need to compile in getopt.c.
239 AC_CHECK_FUNC(getopt_long, [], [
240 GETOPT_OBJ='getopt.o'
245 dnl Checks for libraries.
248 dnl Check for OpenSSL
250 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
251 dnl doesn't record its dependency on libdl, so we need to make sure
252 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
253 dnl dlopen(), but HP-UX uses dnl shl_load().
254 AC_CHECK_LIB(dl, dlopen, [], [
255 AC_CHECK_LIB(dl, shl_load)
258 dnl Now actually check for -lssl
259 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
260 #include <openssl/ssl.h>
261 #include <openssl/x509.h>
262 #include <openssl/err.h>
263 #include <openssl/rand.h>
264 #include <openssl/des.h>
265 #include <openssl/md4.h>
266 #include <openssl/md5.h>
267 ], [SSL_library_init ()])
268 if test x"$LIBSSL" != x
270 AC_MSG_NOTICE([compiling in support for SSL])
271 AC_DEFINE([HAVE_SSL], 1,
272 [Define if SSL support should be compiled in.])
277 dnl Enable NTLM if requested and if SSL is available.
279 if test x"$LIBSSL" != x
281 if test x"$ENABLE_NTLM" != xno
283 AC_DEFINE([ENABLE_NTLM], 1,
284 [Define if you want the NTLM authorization support compiled in.])
285 NTLM_OBJ='http-ntlm.o'
288 dnl If SSL is unavailable and the user explicitly requested NTLM,
290 if test x"$ENABLE_NTLM" = xyes
292 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
298 dnl Find an md5 implementation.
301 if test x"$wget_need_md5" = xyes
303 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
304 dnl manipulate MD5_OBJ from the defun.
309 dnl Check for the system MD5 library on Solaris. We don't check for
310 dnl something simple like "MD5Update" because there are a number of
311 dnl MD5 implementations that use that name. md5_calc is, hopefully,
312 dnl specific to the Solaris MD5 library.
313 if test x"$found_md5" = xno; then
314 AC_CHECK_LIB(md5, md5_calc, [
315 dnl Some installations have bogus <md5.h> in the compiler's
316 dnl include path, making the system md5 library useless.
317 AC_MSG_CHECKING([for working md5.h])
318 AC_COMPILE_IFELSE([#include <md5.h>
321 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define to use Solaris MD5.])
324 AC_MSG_NOTICE([using the Solaris MD5 implementation])
325 ], [AC_MSG_RESULT(no)])
329 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
331 if test x"$found_md5" = xno; then
332 if test x"$ssl_success" = xyes; then
333 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define to use OpenSSL MD5.])
335 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
339 dnl If none of the above worked, use the one we ship with Wget.
340 if test x"$found_md5" = xno; then
341 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define to use built-in MD5.])
342 MD5_OBJ="$MD5_OBJ gnu-md5.o"
344 AC_MSG_NOTICE([using the GNU MD5 implementation])
347 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
350 dnl **********************************************************************
352 dnl **********************************************************************
355 dnl If --enable-ipv6 is specified, we try to use IPv6 (as long as
356 dnl getaddrinfo is also present). If --disable-ipv6 is specified, we
357 dnl don't use IPv6 or getaddrinfo. Otherwise we detect IPv6 and use
358 dnl it where available.
362 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
363 [case "${enable_ipv6}" in
365 AC_MSG_NOTICE([disabling IPv6 at user request])
366 dnl Disable IPv6 checking
370 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
375 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
379 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
383 dnl If nothing is specified, assume auto-detection.
388 if test "X$ipv6" = "Xyes"; then
389 AC_CHECK_FUNCS(getaddrinfo, [], [
390 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
395 if test "X$ipv6" = "Xyes"; then
397 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
402 if test "X$ipv6" = "Xyes"; then
403 TYPE_STRUCT_SOCKADDR_IN6([],[
404 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
407 if test "X$ipv6" = "Xyes"; then
408 WGET_STRUCT_SOCKADDR_STORAGE
413 if test "X$ipv6" = "Xyes"; then
414 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
415 AC_MSG_NOTICE([Enabling support for IPv6.])
416 elif test "x$force_ipv6" = "xyes"; then
417 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
422 dnl Set of available languages.
424 ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
426 dnl Originally this used to be static, looking like this:
427 dnl ALL_LINGUAS="cs de hr it ..."
428 dnl The downside was that configure needed to be rebuilt whenever a
429 dnl new language was added.
431 dnl internationalization macros
435 dnl Find makeinfo. We used to provide support for Emacs processing
436 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
437 dnl unavailable, but that broke with the addition of makeinfo-specific
438 dnl command-line options, such as `-I'. Now we depend on makeinfo to
439 dnl build the Info documentation.
442 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
445 dnl Find perl and pod2man
448 AC_PATH_PROGS(PERL, [perl5 perl], no)
449 AC_PATH_PROG(POD2MAN, pod2man, no)
451 if test "x${POD2MAN}" = xno; then
452 COMMENT_IF_NO_POD2MAN="# "
454 COMMENT_IF_NO_POD2MAN=
456 AC_SUBST(COMMENT_IF_NO_POD2MAN)
461 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
462 po/Makefile.in windows/Makefile])
463 AC_CONFIG_HEADERS([src/config.h])
465 #include "config-post.h"
467 AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
468 AC_CONFIG_COMMANDS([default], [WGET_PROCESS_PO])