1 dnl Template file for GNU Autoconf
2 dnl Copyright (C) 1995, 1996, 1997, 2001, 2007,
3 dnl 2008 Free Software Foundation, Inc.
5 dnl This program is free software; you can redistribute it and/or modify
6 dnl it under the terms of the GNU General Public License as published by
7 dnl the Free Software Foundation; either version 3 of the License, or
8 dnl (at your option) any later version.
10 dnl This program is distributed in the hope that it will be useful,
11 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
12 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 dnl GNU General Public License for more details.
15 dnl You should have received a copy of the GNU General Public License
16 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
18 dnl Additional permission under GNU GPL version 3 section 7
20 dnl If you modify this program, or any covered work, by linking or
21 dnl combining it with the OpenSSL project's OpenSSL library (or a
22 dnl modified version of that library), containing parts covered by the
23 dnl terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
24 dnl grants you additional permission to convey the resulting work.
25 dnl Corresponding Source for a non-source form of such a combination
26 dnl shall include the source code for the parts of OpenSSL used as well
27 dnl as that of the covered work.
30 dnl Process this file with autoconf to produce a configure script.
39 dnl What version of Wget are we building?
41 AC_MSG_NOTICE([configuring for GNU Wget $PACKAGE_VERSION])
43 AC_CONFIG_MACRO_DIR([m4])
44 AC_CONFIG_AUX_DIR([.])
54 AM_GNU_GETTEXT([external],[need-ngettext])
55 AM_GNU_GETTEXT_VERSION([0.16.1])
58 dnl Get cannonical host
61 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
62 [Define to be the name of the operating system.])
69 [[ --without-ssl disable SSL autodetection]])
72 [ --disable-opie disable support for opie or s/key FTP login],
73 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
74 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
75 [Define if you want the Opie support for FTP compiled in.])
78 [ --disable-digest disable support for HTTP digest authorization],
79 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
80 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
81 [Define if you want the HTTP Digest Authorization compiled in.])
84 [ --disable-ntlm disable support for NTLM authorization],
85 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
88 [ --disable-debug disable support for debugging output],
89 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
90 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
91 [Define if you want the debug output support compiled in.])
95 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
101 dnl Find the compiler
104 dnl We want these before the checks, so the checks can modify their values.
105 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
106 test -z "$CC" && cc_specified=yes
116 dnl Turn on optimization by default. Specifically:
118 dnl if the user hasn't specified CFLAGS, then
119 dnl if compiler is gcc, then
120 dnl use -O2 and some warning flags
122 dnl use os-specific flags or -O
123 if test -n "$auto_cflags"; then
124 if test -n "$GCC"; then
125 CFLAGS="$CFLAGS -O2 -Wall"
128 *hpux*) CFLAGS="$CFLAGS +O3" ;;
129 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
130 *) CFLAGS="$CFLAGS -O" ;;
136 dnl Checks for basic compiler characteristics.
142 dnl Check for basic headers, even though we expect them to exist and
143 dnl #include them unconditionally in the code. Their detection is
144 dnl still needed because test programs used by Autoconf macros check
145 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
146 dnl Without the checks they will fail to be included in test programs,
147 dnl which will subsequently fail.
150 dnl Check for large file support. This check needs to come fairly
151 dnl early because it could (in principle) affect whether functions and
152 dnl headers are available, whether they work, etc.
154 AC_CHECK_SIZEOF(off_t)
157 dnl Checks for system header files that might be missing.
160 AC_CHECK_HEADERS(unistd.h sys/time.h)
161 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
162 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
165 dnl Check sizes of integer types. These are used to find n-bit
166 dnl integral types on older systems that fail to provide intN_t and
167 dnl uintN_t typedefs.
169 AC_CHECK_SIZEOF(short)
171 AC_CHECK_SIZEOF(long)
172 AC_CHECK_SIZEOF(long long)
173 AC_CHECK_SIZEOF(void *)
176 dnl Checks for non-universal or system-specific types.
180 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
181 AC_CHECK_TYPES(sig_atomic_t, [], [], [
183 #include <sys/types.h>
185 # include <inttypes.h>
194 dnl Checks for library functions.
198 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
199 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
201 if test x"$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])
343 AC_SUBST(MD5_CPPFLAGS, '-I $(top_srcdir)/md5')
344 AC_SUBST(MD5_LDADD, '../md5/libmd5.a')
345 AC_SUBST(MD5_SUBDIR, md5)
348 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
351 dnl **********************************************************************
353 dnl **********************************************************************
356 dnl We test for IPv6 by checking, in turn, for availability of
357 dnl getaddrinfo, presence of the INET6 address/protocol family, and
358 dnl the existence of struct sockaddr_in6. If any of them is missing,
359 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
361 dnl If --enable-ipv6 is explicitly specified on the configure command
362 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
363 dnl is specified, we disable IPv6 and don't check for it. The default
364 dnl is to autodetect IPv6 and use it where available.
368 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
369 [case "${enable_ipv6}" in
371 AC_MSG_NOTICE([disabling IPv6 at user request])
372 dnl Disable IPv6 checking
376 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
381 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
385 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
389 dnl If nothing is specified, assume auto-detection.
394 if test "X$ipv6" = "Xyes"; then
395 AC_CHECK_FUNCS(getaddrinfo, [], [
396 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
401 if test "X$ipv6" = "Xyes"; then
403 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
408 if test "X$ipv6" = "Xyes"; then
409 TYPE_STRUCT_SOCKADDR_IN6([],[
410 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
413 if test "X$ipv6" = "Xyes"; then
414 WGET_STRUCT_SOCKADDR_STORAGE
419 if test "X$ipv6" = "Xyes"; then
420 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
421 AC_MSG_NOTICE([Enabling support for IPv6.])
422 elif test "x$force_ipv6" = "xyes"; then
423 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
428 dnl Set of available languages.
430 dnl Originally this used to be static, looking like this:
431 dnl ALL_LINGUAS="cs de hr it ..."
432 dnl The downside was that configure needed to be rebuilt whenever a
433 dnl new language was added.
435 ALL_LINGUAS="en@quot en@boldquot en_US $(cd ${srcdir}/po && ls *.po | grep -v 'en@.*quot' | grep -v 'en_US\.po' | sed -e 's/\.po$//' | tr '\012' ' ')"
438 dnl Find makeinfo. We used to provide support for Emacs processing
439 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
440 dnl unavailable, but that broke with the addition of makeinfo-specific
441 dnl command-line options, such as `-I'. Now we depend on makeinfo to
442 dnl build the Info documentation.
445 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
448 dnl Find perl and pod2man
451 AC_PATH_PROGS(PERL, [perl5 perl], no)
452 AC_PATH_PROG(POD2MAN, pod2man, no)
454 if test "x${POD2MAN}" = xno; then
455 COMMENT_IF_NO_POD2MAN="# "
457 COMMENT_IF_NO_POD2MAN=
459 AC_SUBST(COMMENT_IF_NO_POD2MAN)
464 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
465 po/Makefile.in tests/Makefile tests/WgetTest.pm
466 lib/Makefile md5/Makefile windows/Makefile])
467 AC_CONFIG_HEADERS([src/config.h])