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 [[ --without-ssl disable SSL autodetection]])
65 [ --disable-opie disable support for opie or s/key FTP login],
66 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
67 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
68 [Define if you want the Opie support for FTP compiled in.])
71 [ --disable-digest disable support for HTTP digest authorization],
72 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
73 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
74 [Define if you want the HTTP Digest Authorization compiled in.])
77 [ --disable-ntlm disable support for NTLM authorization],
78 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
81 [ --disable-debug disable support for debugging output],
82 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
83 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
84 [Define if you want the debug output support compiled in.])
88 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
92 if test x"$ENABLE_OPIE" = xyes; then
98 dnl Whether make sets $(MAKE)...
103 dnl Find a good install
108 dnl Find the compiler
111 dnl We want these before the checks, so the checks can modify their values.
112 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
113 test -z "$CC" && cc_specified=yes
118 dnl Turn on optimization by default. Specifically:
120 dnl if the user hasn't specified CFLAGS, then
121 dnl if compiler is gcc, then
122 dnl use -O2 and some warning flags
124 dnl use os-specific flags or -O
125 if test -n "$auto_cflags"; then
126 if test -n "$GCC"; then
127 CFLAGS="$CFLAGS -O2 -Wall -Wno-implicit"
130 *hpux*) CFLAGS="$CFLAGS +O3" ;;
131 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
132 *) CFLAGS="$CFLAGS -O" ;;
138 dnl In case of {cyg,gnu}win32. Should be a _target_ test.
139 dnl Might also be erelevant for DJGPP.
142 *win32) exeext='.exe';;
148 dnl Checks for basic compiler characteristics.
153 dnl Needed for GNU md5 code.
157 dnl Checks for header files that might be missing.
160 dnl Check for basic headers, even though we expect their presence to
161 dnl compile. This is because test programs used by Autoconf macros
162 dnl check for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before including
163 dnl them. Without these checks they will fail to be included in test
164 dnl programs, which will subsequently fail.
167 dnl Now the real checks:
169 AC_CHECK_HEADERS(unistd.h sys/time.h)
170 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
171 AC_CHECK_HEADERS(stdint.h inttypes.h setjmp.h pwd.h)
174 dnl Check sizes of signed integer types. These are used to find n-bit
175 dnl integral types on older systems that fail to provide intN_t and
176 dnl uintN_t typedefs.
178 AC_CHECK_SIZEOF(short)
180 AC_CHECK_SIZEOF(long)
181 AC_CHECK_SIZEOF(long long)
184 dnl Check for large file support. This check needs to come fairly
185 dnl early because it could (in principle) affect whether functions and
186 dnl headers are available, whether they work, etc.
189 AC_CHECK_SIZEOF(off_t)
192 dnl Checks for non-universal or system-specific types.
196 AC_CHECK_TYPES(uint32_t)
197 AC_CHECK_TYPES(sig_atomic_t, [], [], [
199 #include <sys/types.h>
201 # include <inttypes.h>
207 dnl Checks for library functions.
212 AC_CHECK_FUNCS(strptime snprintf vsnprintf)
213 AC_CHECK_FUNCS(usleep ftello sigblock sigsetjmp symlink)
215 dnl We expect to have these functions on Unix-like systems configure
216 dnl runs on. The defines are provided to get them in config.h.in so
217 dnl Wget can still be ported to non-Unix systems (such as Windows)
218 dnl that lack some of these functions.
219 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
220 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
221 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
222 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
223 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
226 dnl Call Wget-specific macros defined in aclocal.
236 dnl Check if we need to compile in getopt.c.
238 AC_CHECK_FUNC(getopt_long, [], [
239 GETOPT_OBJ='getopt.o'
244 dnl Checks for libraries.
247 dnl Check for OpenSSL
248 if test x"$with_ssl" != x"no"
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"$LIBSSL" != x
270 AC_MSG_NOTICE([compiling in support for SSL])
271 AC_DEFINE([HAVE_SSL], 1,
272 [Define if SSL support should be compiled in.])
278 dnl Enable NTLM if requested and if SSL is available.
280 if test x"$LIBSSL" != x
282 if test x"$ENABLE_NTLM" != xno
284 AC_DEFINE([ENABLE_NTLM], 1,
285 [Define if you want the NTLM authorization support compiled in.])
286 NTLM_OBJ='http-ntlm.o'
289 dnl If SSL is unavailable and the user explicitly requested NTLM,
291 if test x"$ENABLE_NTLM" = xyes
293 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
299 dnl Find an md5 implementation.
302 if test x"$wget_need_md5" = xyes
304 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
305 dnl manipulate MD5_OBJ from the defun.
310 dnl Check for the system MD5 library on Solaris. We don't check for
311 dnl something simple like "MD5Update" because there are a number of
312 dnl MD5 implementations that use that name. md5_calc is, hopefully,
313 dnl specific to the Solaris MD5 library.
314 if test x"$found_md5" = xno; then
315 AC_CHECK_LIB(md5, md5_calc, [
316 dnl Some installations have bogus <md5.h> in the compiler's
317 dnl include path, making the system md5 library useless.
318 AC_MSG_CHECKING([for working md5.h])
319 AC_COMPILE_IFELSE([#include <md5.h>
322 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define to use Solaris MD5.])
325 AC_MSG_NOTICE([using the Solaris MD5 implementation])
326 ], [AC_MSG_RESULT(no)])
330 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
332 if test x"$found_md5" = xno; then
333 if test x"$ssl_success" = xyes; then
334 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define to use OpenSSL MD5.])
336 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
340 dnl If none of the above worked, use the one we ship with Wget.
341 if test x"$found_md5" = xno; then
342 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define to use built-in MD5.])
343 MD5_OBJ="$MD5_OBJ gnu-md5.o"
345 AC_MSG_NOTICE([using the GNU MD5 implementation])
348 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
351 dnl **********************************************************************
353 dnl **********************************************************************
356 dnl If --enable-ipv6 is specified, we try to use IPv6 (as long as
357 dnl getaddrinfo is also present). If --disable-ipv6 is specified, we
358 dnl don't use IPv6 or getaddrinfo. Otherwise we detect IPv6 and use
359 dnl it where available.
363 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
364 [case "${enable_ipv6}" in
366 AC_MSG_NOTICE([disabling IPv6 at user request])
367 dnl Disable IPv6 checking
371 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
376 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
380 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
384 dnl If nothing is specified, assume auto-detection.
389 if test "X$ipv6" = "Xyes"; then
390 AC_CHECK_FUNCS(getaddrinfo, [], [
391 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
396 if test "X$ipv6" = "Xyes"; then
398 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
403 if test "X$ipv6" = "Xyes"; then
404 TYPE_STRUCT_SOCKADDR_IN6([],[
405 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
408 if test "X$ipv6" = "Xyes"; then
409 WGET_STRUCT_SOCKADDR_STORAGE
414 if test "X$ipv6" = "Xyes"; then
415 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
416 AC_MSG_NOTICE([Enabling support for IPv6.])
417 elif test "x$force_ipv6" = "xyes"; then
418 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
423 dnl Set of available languages.
425 ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
427 dnl Originally this used to be static, looking like this:
428 dnl ALL_LINGUAS="cs de hr it ..."
429 dnl The downside was that configure needed to be rebuilt whenever a
430 dnl new language was added.
432 dnl internationalization macros
436 dnl Find makeinfo. We used to provide support for Emacs processing
437 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
438 dnl unavailable, but that broke with the addition of makeinfo-specific
439 dnl command-line options, such as `-I'. Now we depend on makeinfo to
440 dnl build the Info documentation.
443 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
446 dnl Find perl and pod2man
449 AC_PATH_PROGS(PERL, [perl5 perl], no)
450 AC_PATH_PROG(POD2MAN, pod2man, no)
452 if test "x${POD2MAN}" = xno; then
453 COMMENT_IF_NO_POD2MAN="# "
455 COMMENT_IF_NO_POD2MAN=
457 AC_SUBST(COMMENT_IF_NO_POD2MAN)
462 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
463 po/Makefile.in windows/Makefile])
464 AC_CONFIG_HEADERS([src/config.h])
466 #include "config-post.h"
468 AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
469 AC_CONFIG_COMMANDS([default], [WGET_PROCESS_PO])