1 dnl Template file for GNU Autoconf
2 dnl Copyright (C) 1995, 1996, 1997, 2001, 2007 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 3 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, see <http://www.gnu.org/licenses/>.
17 dnl Additional permission under GNU GPL version 3 section 7
19 dnl If you modify this program, or any covered work, by linking or
20 dnl combining it with the OpenSSL project's OpenSSL library (or a
21 dnl modified version of that library), containing parts covered by the
22 dnl terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
23 dnl grants you additional permission to convey the resulting work.
24 dnl Corresponding Source for a non-source form of such a combination
25 dnl shall include the source code for the parts of OpenSSL used as well
26 dnl as that of the covered work.
29 dnl Process this file with autoconf to produce a configure script.
38 dnl What version of Wget are we building?
40 AC_MSG_NOTICE([configuring for GNU Wget $PACKAGE_VERSION])
42 AC_CONFIG_MACRO_DIR([m4])
43 AC_CONFIG_AUX_DIR([.])
53 AM_GNU_GETTEXT([external],[need-ngettext])
54 AM_GNU_GETTEXT_VERSION([0.16.1])
57 dnl Get cannonical host
60 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
61 [Define to be the name of the operating system.])
68 [[ --without-ssl disable SSL autodetection]])
71 [ --disable-opie disable support for opie or s/key FTP login],
72 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
73 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
74 [Define if you want the Opie support for FTP compiled in.])
77 [ --disable-digest disable support for HTTP digest authorization],
78 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
79 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
80 [Define if you want the HTTP Digest Authorization compiled in.])
83 [ --disable-ntlm disable support for NTLM authorization],
84 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
87 [ --disable-debug disable support for debugging output],
88 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
89 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
90 [Define if you want the debug output support compiled in.])
94 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
100 dnl Find the compiler
103 dnl We want these before the checks, so the checks can modify their values.
104 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
105 test -z "$CC" && cc_specified=yes
115 dnl Turn on optimization by default. Specifically:
117 dnl if the user hasn't specified CFLAGS, then
118 dnl if compiler is gcc, then
119 dnl use -O2 and some warning flags
121 dnl use os-specific flags or -O
122 if test -n "$auto_cflags"; then
123 if test -n "$GCC"; then
124 CFLAGS="$CFLAGS -O2 -Wall"
127 *hpux*) CFLAGS="$CFLAGS +O3" ;;
128 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
129 *) CFLAGS="$CFLAGS -O" ;;
135 dnl Checks for basic compiler characteristics.
141 dnl Check for basic headers, even though we expect them to exist and
142 dnl #include them unconditionally in the code. Their detection is
143 dnl still needed because test programs used by Autoconf macros check
144 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
145 dnl Without the checks they will fail to be included in test programs,
146 dnl which will subsequently fail.
149 dnl Check for large file support. This check needs to come fairly
150 dnl early because it could (in principle) affect whether functions and
151 dnl headers are available, whether they work, etc.
153 AC_CHECK_SIZEOF(off_t)
156 dnl Checks for system header files that might be missing.
159 AC_CHECK_HEADERS(unistd.h sys/time.h)
160 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
161 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h)
164 dnl Check sizes of integer types. These are used to find n-bit
165 dnl integral types on older systems that fail to provide intN_t and
166 dnl uintN_t typedefs.
168 AC_CHECK_SIZEOF(short)
170 AC_CHECK_SIZEOF(long)
171 AC_CHECK_SIZEOF(long long)
172 AC_CHECK_SIZEOF(void *)
175 dnl Checks for non-universal or system-specific types.
179 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
180 AC_CHECK_TYPES(sig_atomic_t, [], [], [
182 #include <sys/types.h>
184 # include <inttypes.h>
193 dnl Checks for library functions.
198 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
199 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr)
201 if test x"$ENABLE_OPIE" = xyes; then
202 AC_LIBOBJ([ftp-opie])
205 dnl We expect to have these functions on Unix-like systems configure
206 dnl runs on. The defines are provided to get them in config.h.in so
207 dnl Wget can still be ported to non-Unix systems (such as Windows)
208 dnl that lack some of these functions.
209 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
210 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
211 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
212 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
213 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
216 dnl Call Wget-specific macros defined in aclocal.
226 dnl Checks for libraries.
229 AS_IF([test x"$with_ssl" = xgnutls], [
230 dnl Now actually check for -lssl
231 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
232 #include <gnutls/gnutls.h>
233 ], [gnutls_global_init()])
234 if test x"$LIBGNUTLS" != x
236 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
239 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
242 # --with-ssl is not gnutls: check if it's no
243 AS_IF([test x"$with_ssl" != xno], [
244 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
245 dnl doesn't record its dependency on libdl, so we need to make sure
246 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
247 dnl dlopen(), but HP-UX uses shl_load().
248 AC_CHECK_LIB(dl, dlopen, [], [
249 AC_CHECK_LIB(dl, shl_load)
252 dnl Now actually check for -lssl
253 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
254 #include <openssl/ssl.h>
255 #include <openssl/x509.h>
256 #include <openssl/err.h>
257 #include <openssl/rand.h>
258 #include <openssl/des.h>
259 #include <openssl/md4.h>
260 #include <openssl/md5.h>
261 ], [SSL_library_init ()])
262 if test x"$LIBSSL" != x
264 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
266 elif test x"$with_ssl" != x
268 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
270 ]) # endif: --with-ssl == no?
271 ]) # endif: --with-ssl == gnutls?
274 dnl Enable NTLM if requested and if SSL is available.
275 if test x"$LIBSSL" != x
277 if test x"$ENABLE_NTLM" != xno
279 AC_DEFINE([ENABLE_NTLM], 1,
280 [Define if you want the NTLM authorization support compiled in.])
281 AC_LIBOBJ([http-ntlm])
284 dnl If SSL is unavailable and the user explicitly requested NTLM,
286 if test x"$ENABLE_NTLM" = xyes
288 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
293 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
294 dnl to use an existing library implementation to save on code size.
297 if test x"$wget_need_md5" = xyes
299 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
300 dnl manipulate MD5_OBJ from the defun.
305 dnl Check for the system MD5 library on Solaris. We don't check for
306 dnl something simple like "MD5Update" because there are a number of
307 dnl MD5 implementations that use that name, but have an otherwise
308 dnl incompatible interface. md5_calc is, hopefully, specific to the
309 dnl Solaris MD5 library.
310 if test x"$found_md5" = xno; then
311 AC_CHECK_LIB(md5, md5_calc, [
312 dnl Some installations have bogus <md5.h> in the compiler's
313 dnl include path, making the system md5 library useless.
314 AC_MSG_CHECKING([for working md5.h])
315 AC_COMPILE_IFELSE([#include <md5.h>
318 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
321 AC_MSG_NOTICE([using the Solaris MD5 implementation])
322 ], [AC_MSG_RESULT(no)])
326 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
328 if test x"$found_md5" = xno; then
329 if test x"$LIBSSL" != x; then
330 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
332 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
336 dnl If none of the above worked, use the one we ship with Wget.
337 if test x"$found_md5" = xno; then
338 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
340 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
344 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
347 dnl **********************************************************************
349 dnl **********************************************************************
352 dnl We test for IPv6 by checking, in turn, for availability of
353 dnl getaddrinfo, presence of the INET6 address/protocol family, and
354 dnl the existence of struct sockaddr_in6. If any of them is missing,
355 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
357 dnl If --enable-ipv6 is explicitly specified on the configure command
358 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
359 dnl is specified, we disable IPv6 and don't check for it. The default
360 dnl is to autodetect IPv6 and use it where available.
364 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
365 [case "${enable_ipv6}" in
367 AC_MSG_NOTICE([disabling IPv6 at user request])
368 dnl Disable IPv6 checking
372 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
377 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
381 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
385 dnl If nothing is specified, assume auto-detection.
390 if test "X$ipv6" = "Xyes"; then
391 AC_CHECK_FUNCS(getaddrinfo, [], [
392 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
397 if test "X$ipv6" = "Xyes"; then
399 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
404 if test "X$ipv6" = "Xyes"; then
405 TYPE_STRUCT_SOCKADDR_IN6([],[
406 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
409 if test "X$ipv6" = "Xyes"; then
410 WGET_STRUCT_SOCKADDR_STORAGE
415 if test "X$ipv6" = "Xyes"; then
416 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
417 AC_MSG_NOTICE([Enabling support for IPv6.])
418 elif test "x$force_ipv6" = "xyes"; then
419 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
424 dnl Set of available languages.
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 ALL_LINGUAS="en@quot en@boldquot $(cd ${srcdir}/po && ls *.po | grep -v 'en@.*quot' | sed -e 's/\.po$//' | tr '\012' ' ')"
434 dnl Find makeinfo. We used to provide support for Emacs processing
435 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
436 dnl unavailable, but that broke with the addition of makeinfo-specific
437 dnl command-line options, such as `-I'. Now we depend on makeinfo to
438 dnl build the Info documentation.
441 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
444 dnl Find perl and pod2man
447 AC_PATH_PROGS(PERL, [perl5 perl], no)
448 AC_PATH_PROG(POD2MAN, pod2man, no)
450 if test "x${POD2MAN}" = xno; then
451 COMMENT_IF_NO_POD2MAN="# "
453 COMMENT_IF_NO_POD2MAN=
455 AC_SUBST(COMMENT_IF_NO_POD2MAN)
460 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
461 po/Makefile.in tests/Makefile tests/WgetTest.pm
462 lib/Makefile windows/Makefile])
463 AC_CONFIG_HEADERS([src/config.h])