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.
33 AC_INIT([src/version.c])
36 dnl Include the M4 macros we use.
37 builtin(include, [m4/wget.m4])dnl
38 builtin(include, [m4/lib-ld.m4])dnl
39 builtin(include, [m4/lib-link.m4])dnl
40 builtin(include, [m4/lib-prefix.m4])dnl
43 dnl What version of Wget are we building?
45 VERSION=`sed -e 's/^.*"\(.*\)";$/\1/' ${srcdir}/src/version.c`
46 AC_MSG_NOTICE([configuring for GNU Wget $VERSION])
52 dnl Get cannonical host
55 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
56 [Define to be the name of the operating system.])
63 [[ --without-ssl disable SSL autodetection]])
66 [ --disable-opie disable support for opie or s/key FTP login],
67 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
68 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
69 [Define if you want the Opie support for FTP compiled in.])
72 [ --disable-digest disable support for HTTP digest authorization],
73 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
74 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
75 [Define if you want the HTTP Digest Authorization compiled in.])
78 [ --disable-ntlm disable support for NTLM authorization],
79 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
82 [ --disable-debug disable support for debugging output],
83 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
84 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
85 [Define if you want the debug output support compiled in.])
89 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
93 if test x"$ENABLE_OPIE" = xyes; then
99 dnl Whether make sets $(MAKE)...
104 dnl Find a good install
109 dnl Find the compiler
112 dnl We want these before the checks, so the checks can modify their values.
113 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
114 test -z "$CC" && cc_specified=yes
119 dnl Turn on optimization by default. Specifically:
121 dnl if the user hasn't specified CFLAGS, then
122 dnl if compiler is gcc, then
123 dnl use -O2 and some warning flags
125 dnl use os-specific flags or -O
126 if test -n "$auto_cflags"; then
127 if test -n "$GCC"; then
128 CFLAGS="$CFLAGS -O2 -Wall"
131 *hpux*) CFLAGS="$CFLAGS +O3" ;;
132 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
133 *) CFLAGS="$CFLAGS -O" ;;
139 dnl Checks for basic compiler characteristics.
145 dnl Check for basic headers, even though we expect them to exist and
146 dnl #include them unconditionally in the code. Their detection is
147 dnl still needed because test programs used by Autoconf macros check
148 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
149 dnl Without the checks they will fail to be included in test programs,
150 dnl which will subsequently fail.
153 dnl Check for large file support. This check needs to come fairly
154 dnl early because it could (in principle) affect whether functions and
155 dnl headers are available, whether they work, etc.
157 AC_CHECK_SIZEOF(off_t)
160 dnl Checks for system header files that might be missing.
163 AC_CHECK_HEADERS(unistd.h sys/time.h)
164 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
165 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
168 dnl Check sizes of integer types. These are used to find n-bit
169 dnl integral types on older systems that fail to provide intN_t and
170 dnl uintN_t typedefs.
172 AC_CHECK_SIZEOF(short)
174 AC_CHECK_SIZEOF(long)
175 AC_CHECK_SIZEOF(long long)
176 AC_CHECK_SIZEOF(void *)
179 dnl Checks for non-universal or system-specific types.
183 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
184 AC_CHECK_TYPES(sig_atomic_t, [], [], [
186 #include <sys/types.h>
188 # include <inttypes.h>
194 dnl Checks for library functions.
199 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
200 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
202 dnl We expect to have these functions on Unix-like systems configure
203 dnl runs on. The defines are provided to get them in config.h.in so
204 dnl Wget can still be ported to non-Unix systems (such as Windows)
205 dnl that lack some of these functions.
206 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
207 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
208 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
209 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
210 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
213 dnl Call Wget-specific macros defined in aclocal.
223 dnl Check if we need to compile in getopt.c.
225 AC_CHECK_FUNC(getopt_long, [], [
226 GETOPT_OBJ='getopt.o'
231 dnl Checks for libraries.
234 AS_IF([test x"$with_ssl" = xgnutls], [
235 dnl Now actually check for -lssl
236 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
237 #include <gnutls/gnutls.h>
238 ], [gnutls_global_init()])
239 if test x"$LIBGNUTLS" != x
241 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
244 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
247 # --with-ssl is not gnutls: check if it's no
248 AS_IF([test x"$with_ssl" != xno], [
249 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
250 dnl doesn't record its dependency on libdl, so we need to make sure
251 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
252 dnl dlopen(), but HP-UX uses shl_load().
253 AC_CHECK_LIB(dl, dlopen, [], [
254 AC_CHECK_LIB(dl, shl_load)
257 dnl Now actually check for -lssl
258 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
259 #include <openssl/ssl.h>
260 #include <openssl/x509.h>
261 #include <openssl/err.h>
262 #include <openssl/rand.h>
263 #include <openssl/des.h>
264 #include <openssl/md4.h>
265 #include <openssl/md5.h>
266 ], [SSL_library_init ()])
267 if test x"$LIBSSL" != x
269 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
271 elif test x"$with_ssl" != x
273 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
275 ]) # endif: --with-ssl == no?
276 ]) # endif: --with-ssl == gnutls?
280 dnl Enable NTLM if requested and if SSL is available.
282 if test x"$LIBSSL" != x
284 if test x"$ENABLE_NTLM" != xno
286 AC_DEFINE([ENABLE_NTLM], 1,
287 [Define if you want the NTLM authorization support compiled in.])
288 NTLM_OBJ='http-ntlm.o'
291 dnl If SSL is unavailable and the user explicitly requested NTLM,
293 if test x"$ENABLE_NTLM" = xyes
295 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
301 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
302 dnl to use an existing library implementation to save on code size.
305 if test x"$wget_need_md5" = xyes
307 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
308 dnl manipulate MD5_OBJ from the defun.
313 dnl Check for the system MD5 library on Solaris. We don't check for
314 dnl something simple like "MD5Update" because there are a number of
315 dnl MD5 implementations that use that name, but have an otherwise
316 dnl incompatible interface. md5_calc is, hopefully, specific to the
317 dnl Solaris MD5 library.
318 if test x"$found_md5" = xno; then
319 AC_CHECK_LIB(md5, md5_calc, [
320 dnl Some installations have bogus <md5.h> in the compiler's
321 dnl include path, making the system md5 library useless.
322 AC_MSG_CHECKING([for working md5.h])
323 AC_COMPILE_IFELSE([#include <md5.h>
326 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
329 AC_MSG_NOTICE([using the Solaris MD5 implementation])
330 ], [AC_MSG_RESULT(no)])
334 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
336 if test x"$found_md5" = xno; then
337 if test x"$LIBSSL" != x; then
338 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
340 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
344 dnl If none of the above worked, use the one we ship with Wget.
345 if test x"$found_md5" = xno; then
346 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
347 MD5_OBJ="$MD5_OBJ gnu-md5.o"
349 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
353 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
356 dnl **********************************************************************
358 dnl **********************************************************************
361 dnl We test for IPv6 by checking, in turn, for availability of
362 dnl getaddrinfo, presence of the INET6 address/protocol family, and
363 dnl the existence of struct sockaddr_in6. If any of them is missing,
364 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
366 dnl If --enable-ipv6 is explicitly specified on the configure command
367 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
368 dnl is specified, we disable IPv6 and don't check for it. The default
369 dnl is to autodetect IPv6 and use it where available.
373 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
374 [case "${enable_ipv6}" in
376 AC_MSG_NOTICE([disabling IPv6 at user request])
377 dnl Disable IPv6 checking
381 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
386 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
390 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
394 dnl If nothing is specified, assume auto-detection.
399 if test "X$ipv6" = "Xyes"; then
400 AC_CHECK_FUNCS(getaddrinfo, [], [
401 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
406 if test "X$ipv6" = "Xyes"; then
408 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
413 if test "X$ipv6" = "Xyes"; then
414 TYPE_STRUCT_SOCKADDR_IN6([],[
415 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
418 if test "X$ipv6" = "Xyes"; then
419 WGET_STRUCT_SOCKADDR_STORAGE
424 if test "X$ipv6" = "Xyes"; then
425 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
426 AC_MSG_NOTICE([Enabling support for IPv6.])
427 elif test "x$force_ipv6" = "xyes"; then
428 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
433 dnl Set of available languages.
435 dnl Originally this used to be static, looking like this:
436 dnl ALL_LINGUAS="cs de hr it ..."
437 dnl The downside was that configure needed to be rebuilt whenever a
438 dnl new language was added.
440 ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//' | tr '\012' ' ')`
442 dnl internationalization macros
446 dnl Find makeinfo. We used to provide support for Emacs processing
447 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
448 dnl unavailable, but that broke with the addition of makeinfo-specific
449 dnl command-line options, such as `-I'. Now we depend on makeinfo to
450 dnl build the Info documentation.
453 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
456 dnl Find perl and pod2man
459 AC_PATH_PROGS(PERL, [perl5 perl], no)
460 AC_PATH_PROG(POD2MAN, pod2man, no)
462 if test "x${POD2MAN}" = xno; then
463 COMMENT_IF_NO_POD2MAN="# "
465 COMMENT_IF_NO_POD2MAN=
467 AC_SUBST(COMMENT_IF_NO_POD2MAN)
472 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
473 po/Makefile.in tests/Makefile tests/WgetTest.pm
475 AC_CONFIG_HEADERS([src/config.h])
477 #include "config-post.h"
479 AC_CONFIG_FILES([stamp-h], [echo timestamp > stamp-h])
480 AC_CONFIG_COMMANDS([default], [WGET_PROCESS_PO])