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="$CFLAGS -O" ;;
136 dnl Checks for basic compiler characteristics.
142 dnl Check for basic headers, even though we expect them to exist and
143 dnl #include them unconditionally in the code. Their detection is
144 dnl still needed because test programs used by Autoconf macros check
145 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
146 dnl Without the checks they will fail to be included in test programs,
147 dnl which will subsequently fail.
150 dnl Check for large file support. This check needs to come fairly
151 dnl early because it could (in principle) affect whether functions and
152 dnl headers are available, whether they work, etc.
154 AC_CHECK_SIZEOF(off_t)
157 dnl Checks for system header files that might be missing.
160 AC_CHECK_HEADERS(unistd.h sys/time.h)
161 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
162 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
165 dnl Check sizes of integer types. These are used to find n-bit
166 dnl integral types on older systems that fail to provide intN_t and
167 dnl uintN_t typedefs.
169 AC_CHECK_SIZEOF(short)
171 AC_CHECK_SIZEOF(long)
172 AC_CHECK_SIZEOF(long long)
173 AC_CHECK_SIZEOF(void *)
176 dnl Checks for non-universal or system-specific types.
180 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
181 AC_CHECK_TYPES(sig_atomic_t, [], [], [
183 #include <sys/types.h>
185 # include <inttypes.h>
194 dnl Checks for library functions.
199 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
200 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
202 if test x"$ENABLE_OPIE" = xyes; then
203 AC_LIBOBJ([ftp-opie])
206 dnl We expect to have these functions on Unix-like systems configure
207 dnl runs on. The defines are provided to get them in config.h.in so
208 dnl Wget can still be ported to non-Unix systems (such as Windows)
209 dnl that lack some of these functions.
210 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
211 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
212 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
213 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
214 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
217 dnl Call Wget-specific macros defined in aclocal.
227 dnl Checks for libraries.
230 AS_IF([test x"$with_ssl" = xgnutls], [
231 dnl Now actually check for -lssl
232 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
233 #include <gnutls/gnutls.h>
234 ], [gnutls_global_init()])
235 if test x"$LIBGNUTLS" != x
237 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
240 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
243 # --with-ssl is not gnutls: check if it's no
244 AS_IF([test x"$with_ssl" != xno], [
245 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
246 dnl doesn't record its dependency on libdl, so we need to make sure
247 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
248 dnl dlopen(), but HP-UX uses shl_load().
249 AC_CHECK_LIB(dl, dlopen, [], [
250 AC_CHECK_LIB(dl, shl_load)
253 dnl Now actually check for -lssl
254 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
255 #include <openssl/ssl.h>
256 #include <openssl/x509.h>
257 #include <openssl/err.h>
258 #include <openssl/rand.h>
259 #include <openssl/des.h>
260 #include <openssl/md4.h>
261 #include <openssl/md5.h>
262 ], [SSL_library_init ()])
263 if test x"$LIBSSL" != x
265 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
267 elif test x"$with_ssl" != x
269 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
271 ]) # endif: --with-ssl == no?
272 ]) # endif: --with-ssl == gnutls?
275 dnl Enable NTLM if requested and if SSL is available.
276 if test x"$LIBSSL" != x
278 if test x"$ENABLE_NTLM" != xno
280 AC_DEFINE([ENABLE_NTLM], 1,
281 [Define if you want the NTLM authorization support compiled in.])
282 AC_LIBOBJ([http-ntlm])
285 dnl If SSL is unavailable and the user explicitly requested NTLM,
287 if test x"$ENABLE_NTLM" = xyes
289 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
294 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
295 dnl to use an existing library implementation to save on code size.
298 if test x"$wget_need_md5" = xyes
300 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
301 dnl manipulate MD5_OBJ from the defun.
306 dnl Check for the system MD5 library on Solaris. We don't check for
307 dnl something simple like "MD5Update" because there are a number of
308 dnl MD5 implementations that use that name, but have an otherwise
309 dnl incompatible interface. md5_calc is, hopefully, specific to the
310 dnl Solaris MD5 library.
311 if test x"$found_md5" = xno; then
312 AC_CHECK_LIB(md5, md5_calc, [
313 dnl Some installations have bogus <md5.h> in the compiler's
314 dnl include path, making the system md5 library useless.
315 AC_MSG_CHECKING([for working md5.h])
316 AC_COMPILE_IFELSE([#include <md5.h>
319 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
322 AC_MSG_NOTICE([using the Solaris MD5 implementation])
323 ], [AC_MSG_RESULT(no)])
327 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
329 if test x"$found_md5" = xno; then
330 if test x"$LIBSSL" != x; then
331 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
333 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
337 dnl If none of the above worked, use the one we ship with Wget.
338 if test x"$found_md5" = xno; then
339 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
341 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
344 AC_SUBST(MD5_CPPFLAGS, '-I $(top_srcdir)/md5')
345 AC_SUBST(MD5_LDADD, '../md5/libmd5.a')
346 AC_SUBST(MD5_SUBDIR, md5)
349 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
352 dnl **********************************************************************
354 dnl **********************************************************************
357 dnl We test for IPv6 by checking, in turn, for availability of
358 dnl getaddrinfo, presence of the INET6 address/protocol family, and
359 dnl the existence of struct sockaddr_in6. If any of them is missing,
360 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
362 dnl If --enable-ipv6 is explicitly specified on the configure command
363 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
364 dnl is specified, we disable IPv6 and don't check for it. The default
365 dnl is to autodetect IPv6 and use it where available.
369 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
370 [case "${enable_ipv6}" in
372 AC_MSG_NOTICE([disabling IPv6 at user request])
373 dnl Disable IPv6 checking
377 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
382 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
386 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
390 dnl If nothing is specified, assume auto-detection.
395 if test "X$ipv6" = "Xyes"; then
396 AC_CHECK_FUNCS(getaddrinfo, [], [
397 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
402 if test "X$ipv6" = "Xyes"; then
404 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
409 if test "X$ipv6" = "Xyes"; then
410 TYPE_STRUCT_SOCKADDR_IN6([],[
411 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
414 if test "X$ipv6" = "Xyes"; then
415 WGET_STRUCT_SOCKADDR_STORAGE
420 if test "X$ipv6" = "Xyes"; then
421 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
422 AC_MSG_NOTICE([Enabling support for IPv6.])
423 elif test "x$force_ipv6" = "xyes"; then
424 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
429 dnl Set of available languages.
431 dnl Originally this used to be static, looking like this:
432 dnl ALL_LINGUAS="cs de hr it ..."
433 dnl The downside was that configure needed to be rebuilt whenever a
434 dnl new language was added.
436 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' ' ')"
439 dnl Find makeinfo. We used to provide support for Emacs processing
440 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
441 dnl unavailable, but that broke with the addition of makeinfo-specific
442 dnl command-line options, such as `-I'. Now we depend on makeinfo to
443 dnl build the Info documentation.
446 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
449 dnl Find perl and pod2man
452 AC_PATH_PROGS(PERL, [perl5 perl], no)
453 AC_PATH_PROG(POD2MAN, pod2man, no)
455 if test "x${POD2MAN}" = xno; then
456 COMMENT_IF_NO_POD2MAN="# "
458 COMMENT_IF_NO_POD2MAN=
460 AC_SUBST(COMMENT_IF_NO_POD2MAN)
465 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
466 po/Makefile.in tests/Makefile tests/WgetTest.pm
467 lib/Makefile md5/Makefile windows/Makefile])
468 AC_CONFIG_HEADERS([src/config.h])