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 "$CC" && cc_specified=yes
114 dnl Turn on optimization by default. Specifically:
116 dnl if the user hasn't specified CFLAGS, then
117 dnl if compiler is gcc, then
118 dnl use -O2 and some warning flags
120 dnl use os-specific flags or -O
121 if test -n "$auto_cflags"; then
122 if test -n "$GCC"; then
123 CFLAGS="$CFLAGS -O2 -Wall"
126 *hpux*) CFLAGS="$CFLAGS +O3" ;;
127 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
128 *) CFLAGS="$CFLAGS -O" ;;
134 dnl Checks for basic compiler characteristics.
140 dnl Check for basic headers, even though we expect them to exist and
141 dnl #include them unconditionally in the code. Their detection is
142 dnl still needed because test programs used by Autoconf macros check
143 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
144 dnl Without the checks they will fail to be included in test programs,
145 dnl which will subsequently fail.
148 dnl Check for large file support. This check needs to come fairly
149 dnl early because it could (in principle) affect whether functions and
150 dnl headers are available, whether they work, etc.
152 AC_CHECK_SIZEOF(off_t)
155 dnl Checks for system header files that might be missing.
158 AC_CHECK_HEADERS(unistd.h sys/time.h)
159 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
160 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h)
163 dnl Check sizes of integer types. These are used to find n-bit
164 dnl integral types on older systems that fail to provide intN_t and
165 dnl uintN_t typedefs.
167 AC_CHECK_SIZEOF(short)
169 AC_CHECK_SIZEOF(long)
170 AC_CHECK_SIZEOF(long long)
171 AC_CHECK_SIZEOF(void *)
174 dnl Checks for non-universal or system-specific types.
178 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
179 AC_CHECK_TYPES(sig_atomic_t, [], [], [
181 #include <sys/types.h>
183 # include <inttypes.h>
192 dnl Checks for library functions.
197 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
198 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr)
200 if test x"$ENABLE_OPIE" = xyes; then
201 AC_LIBOBJ([ftp-opie])
204 dnl We expect to have these functions on Unix-like systems configure
205 dnl runs on. The defines are provided to get them in config.h.in so
206 dnl Wget can still be ported to non-Unix systems (such as Windows)
207 dnl that lack some of these functions.
208 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
209 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
210 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
211 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
212 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
215 dnl Call Wget-specific macros defined in aclocal.
225 dnl Checks for libraries.
228 AS_IF([test x"$with_ssl" = xgnutls], [
229 dnl Now actually check for -lssl
230 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
231 #include <gnutls/gnutls.h>
232 ], [gnutls_global_init()])
233 if test x"$LIBGNUTLS" != x
235 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
238 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
241 # --with-ssl is not gnutls: check if it's no
242 AS_IF([test x"$with_ssl" != xno], [
243 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
244 dnl doesn't record its dependency on libdl, so we need to make sure
245 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
246 dnl dlopen(), but HP-UX uses shl_load().
247 AC_CHECK_LIB(dl, dlopen, [], [
248 AC_CHECK_LIB(dl, shl_load)
251 dnl Now actually check for -lssl
252 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
253 #include <openssl/ssl.h>
254 #include <openssl/x509.h>
255 #include <openssl/err.h>
256 #include <openssl/rand.h>
257 #include <openssl/des.h>
258 #include <openssl/md4.h>
259 #include <openssl/md5.h>
260 ], [SSL_library_init ()])
261 if test x"$LIBSSL" != x
263 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
265 elif test x"$with_ssl" != x
267 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
269 ]) # endif: --with-ssl == no?
270 ]) # endif: --with-ssl == gnutls?
273 dnl Enable NTLM if requested and if SSL is available.
274 if test x"$LIBSSL" != x
276 if test x"$ENABLE_NTLM" != xno
278 AC_DEFINE([ENABLE_NTLM], 1,
279 [Define if you want the NTLM authorization support compiled in.])
280 AC_LIBOBJ([http-ntlm])
283 dnl If SSL is unavailable and the user explicitly requested NTLM,
285 if test x"$ENABLE_NTLM" = xyes
287 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
292 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
293 dnl to use an existing library implementation to save on code size.
296 if test x"$wget_need_md5" = xyes
298 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
299 dnl manipulate MD5_OBJ from the defun.
304 dnl Check for the system MD5 library on Solaris. We don't check for
305 dnl something simple like "MD5Update" because there are a number of
306 dnl MD5 implementations that use that name, but have an otherwise
307 dnl incompatible interface. md5_calc is, hopefully, specific to the
308 dnl Solaris MD5 library.
309 if test x"$found_md5" = xno; then
310 AC_CHECK_LIB(md5, md5_calc, [
311 dnl Some installations have bogus <md5.h> in the compiler's
312 dnl include path, making the system md5 library useless.
313 AC_MSG_CHECKING([for working md5.h])
314 AC_COMPILE_IFELSE([#include <md5.h>
317 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
320 AC_MSG_NOTICE([using the Solaris MD5 implementation])
321 ], [AC_MSG_RESULT(no)])
325 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
327 if test x"$found_md5" = xno; then
328 if test x"$LIBSSL" != x; then
329 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
331 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
335 dnl If none of the above worked, use the one we ship with Wget.
336 if test x"$found_md5" = xno; then
337 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
339 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
343 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
345 dnl **********************************************************************
347 dnl **********************************************************************
350 dnl We test for IPv6 by checking, in turn, for availability of
351 dnl getaddrinfo, presence of the INET6 address/protocol family, and
352 dnl the existence of struct sockaddr_in6. If any of them is missing,
353 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
355 dnl If --enable-ipv6 is explicitly specified on the configure command
356 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
357 dnl is specified, we disable IPv6 and don't check for it. The default
358 dnl is to autodetect IPv6 and use it where available.
362 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
363 [case "${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 dnl Originally this used to be static, looking like this:
425 dnl ALL_LINGUAS="cs de hr it ..."
426 dnl The downside was that configure needed to be rebuilt whenever a
427 dnl new language was added.
429 ALL_LINGUAS="en@quot en@boldquot $(cd ${srcdir}/po && ls *.po | grep -v 'en@.*quot' | sed -e 's/\.po$//' | tr '\012' ' ')"
432 dnl Find makeinfo. We used to provide support for Emacs processing
433 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
434 dnl unavailable, but that broke with the addition of makeinfo-specific
435 dnl command-line options, such as `-I'. Now we depend on makeinfo to
436 dnl build the Info documentation.
439 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
442 dnl Find perl and pod2man
445 AC_PATH_PROGS(PERL, [perl5 perl], no)
446 AC_PATH_PROG(POD2MAN, pod2man, no)
448 if test "x${POD2MAN}" = xno; then
449 COMMENT_IF_NO_POD2MAN="# "
451 COMMENT_IF_NO_POD2MAN=
453 AC_SUBST(COMMENT_IF_NO_POD2MAN)
458 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
459 po/Makefile.in tests/Makefile tests/WgetTest.pm
460 lib/Makefile windows/Makefile])
461 AC_CONFIG_HEADERS([src/config.h])