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 though we expect their presence to
156 dnl compile. This is because test programs used by Autoconf macros
157 dnl check for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before including
158 dnl them. Without these checks they will fail to be included in test
159 dnl programs, which will subsequently fail.
162 dnl Now the real checks:
164 AC_CHECK_HEADERS(unistd.h sys/time.h)
165 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
166 AC_CHECK_HEADERS(stdint.h inttypes.h setjmp.h pwd.h)
169 dnl Check sizes of signed integer types. These are used to find n-bit
170 dnl integral types on older systems that fail to provide intN_t and
171 dnl uintN_t typedefs.
173 AC_CHECK_SIZEOF(short)
175 AC_CHECK_SIZEOF(long)
176 AC_CHECK_SIZEOF(long long)
179 dnl Check for large file support. This check needs to come fairly
180 dnl early because it could (in principle) affect whether functions and
181 dnl headers are available, whether they work, etc.
184 AC_CHECK_SIZEOF(off_t)
187 dnl Checks for non-universal or system-specific types.
191 AC_CHECK_TYPES(uint32_t)
192 AC_CHECK_TYPES(sig_atomic_t, [], [], [
194 #include <sys/types.h>
196 # include <inttypes.h>
202 dnl Checks for library functions.
207 AC_CHECK_FUNCS(strptime snprintf vsnprintf)
208 AC_CHECK_FUNCS(usleep ftello sigblock sigsetjmp symlink)
210 dnl We expect to have these functions on Unix-like systems configure
211 dnl runs on. The defines are provided to get them in config.h.in so
212 dnl Wget can still be ported to non-Unix systems (such as Windows)
213 dnl that lack some of these functions.
214 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
215 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
216 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
217 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
218 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
221 dnl Call Wget-specific macros defined in aclocal.
231 dnl Check if we need to compile in getopt.c.
233 AC_CHECK_FUNC(getopt_long, [], [
234 GETOPT_OBJ='getopt.o'
239 dnl Checks for libraries.
242 dnl Check for OpenSSL
244 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
245 dnl doesn't record its dependency on libdl, so we need to make sure
246 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
247 dnl dlopen(), but HP-UX uses dnl shl_load().
248 AC_CHECK_LIB(dl, dlopen, [], [
249 AC_CHECK_LIB(dl, shl_load)
252 dnl Now actually check for -lssl
253 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
254 #include <openssl/ssl.h>
255 #include <openssl/x509.h>
256 #include <openssl/err.h>
257 #include <openssl/rand.h>
258 #include <openssl/des.h>
259 #include <openssl/md4.h>
260 #include <openssl/md5.h>
261 ], [SSL_library_init ()])
262 if test x"$LIBSSL" != x
264 AC_MSG_NOTICE([compiling in support for SSL])
265 AC_DEFINE([HAVE_SSL], 1,
266 [Define if SSL support should be compiled in.])
271 dnl Enable NTLM if requested and if SSL is available.
273 if test x"$LIBSSL" != x
275 if test x"$ENABLE_NTLM" != xno
277 AC_DEFINE([ENABLE_NTLM], 1,
278 [Define if you want the NTLM authorization support compiled in.])
279 NTLM_OBJ='http-ntlm.o'
282 dnl If SSL is unavailable and the user explicitly requested NTLM,
284 if test x"$ENABLE_NTLM" = xyes
286 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
292 dnl Find an md5 implementation.
295 if test x"$wget_need_md5" = xyes
297 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
298 dnl manipulate MD5_OBJ from the defun.
303 dnl Check for the system MD5 library on Solaris. We don't check for
304 dnl something simple like "MD5Update" because there are a number of
305 dnl MD5 implementations that use that name. md5_calc is, hopefully,
306 dnl specific to the Solaris MD5 library.
307 if test x"$found_md5" = xno; then
308 AC_CHECK_LIB(md5, md5_calc, [
309 dnl Some installations have bogus <md5.h> in the compiler's
310 dnl include path, making the system md5 library useless.
311 AC_MSG_CHECKING([for working md5.h])
312 AC_COMPILE_IFELSE([#include <md5.h>
315 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define to use Solaris MD5.])
318 AC_MSG_NOTICE([using the Solaris MD5 implementation])
319 ], [AC_MSG_RESULT(no)])
323 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
325 if test x"$found_md5" = xno; then
326 if test x"$ssl_success" = xyes; then
327 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define to use OpenSSL MD5.])
329 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
333 dnl If none of the above worked, use the one we ship with Wget.
334 if test x"$found_md5" = xno; then
335 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define to use built-in MD5.])
336 MD5_OBJ="$MD5_OBJ gnu-md5.o"
338 AC_MSG_NOTICE([using the GNU MD5 implementation])
341 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
344 dnl **********************************************************************
346 dnl **********************************************************************
349 dnl If --enable-ipv6 is specified, we try to use IPv6 (as long as
350 dnl getaddrinfo is also present). If --disable-ipv6 is specified, we
351 dnl don't use IPv6 or getaddrinfo. Otherwise we detect IPv6 and use
352 dnl it where available.
356 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
357 [case "${enable_ipv6}" in
359 AC_MSG_NOTICE([disabling IPv6 at user request])
360 dnl Disable IPv6 checking
364 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
369 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
373 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
377 dnl If nothing is specified, assume auto-detection.
382 if test "X$ipv6" = "Xyes"; then
383 AC_CHECK_FUNCS(getaddrinfo, [], [
384 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
389 if test "X$ipv6" = "Xyes"; then
391 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
396 if test "X$ipv6" = "Xyes"; then
397 TYPE_STRUCT_SOCKADDR_IN6([],[
398 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
401 if test "X$ipv6" = "Xyes"; then
402 WGET_STRUCT_SOCKADDR_STORAGE
407 if test "X$ipv6" = "Xyes"; then
408 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
409 AC_MSG_NOTICE([Enabling support for IPv6.])
410 elif test "x$force_ipv6" = "xyes"; then
411 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
416 dnl Set of available languages.
418 ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
420 dnl Originally this used to be static, looking like this:
421 dnl ALL_LINGUAS="cs de hr it ..."
422 dnl The downside was that configure needed to be rebuilt whenever a
423 dnl new language was added.
425 dnl internationalization macros
429 dnl Find makeinfo. We used to provide support for Emacs processing
430 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
431 dnl unavailable, but that broke with the addition of makeinfo-specific
432 dnl command-line options, such as `-I'. Now we depend on makeinfo to
433 dnl build the Info documentation.
436 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
439 dnl Find perl and pod2man
442 AC_PATH_PROGS(PERL, [perl5 perl], no)
443 AC_PATH_PROG(POD2MAN, pod2man, no)
445 if test "x${POD2MAN}" = xno; then
446 COMMENT_IF_NO_POD2MAN="# "
448 COMMENT_IF_NO_POD2MAN=
450 AC_SUBST(COMMENT_IF_NO_POD2MAN)
455 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
456 po/Makefile.in windows/Makefile])
457 AC_CONFIG_HEADERS([src/config.h])
459 #include "config-post.h"
461 AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
462 AC_CONFIG_COMMANDS([default], [WGET_PROCESS_PO])