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 "$CC" && cc_specified=yes
118 dnl Turn on optimization by default. Specifically:
120 dnl if the user hasn't specified CFLAGS, then
121 dnl if compiler is gcc, then
122 dnl use -O2 and some warning flags
124 dnl use os-specific flags or -O
125 if test -n "$auto_cflags"; then
126 if test -n "$GCC"; then
127 CFLAGS="$CFLAGS -O2 -Wall"
130 *hpux*) CFLAGS="$CFLAGS +O3" ;;
131 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
132 *) CFLAGS="$CFLAGS -O" ;;
138 dnl Checks for basic compiler characteristics.
144 dnl Check for basic headers, even though we expect them to exist and
145 dnl #include them unconditionally in the code. Their detection is
146 dnl still needed because test programs used by Autoconf macros check
147 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
148 dnl Without the checks they will fail to be included in test programs,
149 dnl which will subsequently fail.
152 dnl Check for large file support. This check needs to come fairly
153 dnl early because it could (in principle) affect whether functions and
154 dnl headers are available, whether they work, etc.
156 AC_CHECK_SIZEOF(off_t)
159 dnl Checks for system header files that might be missing.
162 AC_CHECK_HEADERS(unistd.h sys/time.h)
163 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
164 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
167 dnl Check sizes of integer types. These are used to find n-bit
168 dnl integral types on older systems that fail to provide intN_t and
169 dnl uintN_t typedefs.
171 AC_CHECK_SIZEOF(short)
173 AC_CHECK_SIZEOF(long)
174 AC_CHECK_SIZEOF(long long)
175 AC_CHECK_SIZEOF(void *)
178 dnl Checks for non-universal or system-specific types.
182 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
183 AC_CHECK_TYPES(sig_atomic_t, [], [], [
185 #include <sys/types.h>
187 # include <inttypes.h>
196 dnl Checks for library functions.
201 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
202 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
204 if test x"$ENABLE_OPIE" = xyes; then
205 AC_LIBOBJ([ftp-opie])
208 dnl We expect to have these functions on Unix-like systems configure
209 dnl runs on. The defines are provided to get them in config.h.in so
210 dnl Wget can still be ported to non-Unix systems (such as Windows)
211 dnl that lack some of these functions.
212 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
213 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
214 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
215 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
216 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
219 dnl Call Wget-specific macros defined in aclocal.
229 dnl Checks for libraries.
232 AS_IF([test x"$with_ssl" = xgnutls], [
233 dnl Now actually check for -lssl
234 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
235 #include <gnutls/gnutls.h>
236 ], [gnutls_global_init()])
237 if test x"$LIBGNUTLS" != x
239 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
242 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
245 # --with-ssl is not gnutls: check if it's no
246 AS_IF([test x"$with_ssl" != xno], [
247 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
248 dnl doesn't record its dependency on libdl, so we need to make sure
249 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
250 dnl dlopen(), but HP-UX uses shl_load().
251 AC_CHECK_LIB(dl, dlopen, [], [
252 AC_CHECK_LIB(dl, shl_load)
255 dnl Now actually check for -lssl
256 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
257 #include <openssl/ssl.h>
258 #include <openssl/x509.h>
259 #include <openssl/err.h>
260 #include <openssl/rand.h>
261 #include <openssl/des.h>
262 #include <openssl/md4.h>
263 #include <openssl/md5.h>
264 ], [SSL_library_init ()])
265 if test x"$LIBSSL" != x
267 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
269 elif test x"$with_ssl" != x
271 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
273 ]) # endif: --with-ssl == no?
274 ]) # endif: --with-ssl == gnutls?
277 dnl Enable NTLM if requested and if SSL is available.
278 if test x"$LIBSSL" != x
280 if test x"$ENABLE_NTLM" != xno
282 AC_DEFINE([ENABLE_NTLM], 1,
283 [Define if you want the NTLM authorization support compiled in.])
284 AC_LIBOBJ([http-ntlm])
287 dnl If SSL is unavailable and the user explicitly requested NTLM,
289 if test x"$ENABLE_NTLM" = xyes
291 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
296 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
297 dnl to use an existing library implementation to save on code size.
300 if test x"$wget_need_md5" = xyes
302 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
303 dnl manipulate MD5_OBJ from the defun.
308 dnl Check for the system MD5 library on Solaris. We don't check for
309 dnl something simple like "MD5Update" because there are a number of
310 dnl MD5 implementations that use that name, but have an otherwise
311 dnl incompatible interface. md5_calc is, hopefully, specific to the
312 dnl Solaris MD5 library.
313 if test x"$found_md5" = xno; then
314 AC_CHECK_LIB(md5, md5_calc, [
315 dnl Some installations have bogus <md5.h> in the compiler's
316 dnl include path, making the system md5 library useless.
317 AC_MSG_CHECKING([for working md5.h])
318 AC_COMPILE_IFELSE([#include <md5.h>
321 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
324 AC_MSG_NOTICE([using the Solaris MD5 implementation])
325 ], [AC_MSG_RESULT(no)])
329 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
331 if test x"$found_md5" = xno; then
332 if test x"$LIBSSL" != x; then
333 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
335 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
339 dnl If none of the above worked, use the one we ship with Wget.
340 if test x"$found_md5" = xno; then
341 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
343 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
346 AC_SUBST(MD5_CPPFLAGS, '-I $(top_srcdir)/md5')
347 AC_SUBST(MD5_LDADD, '../md5/libmd5.a')
348 AC_SUBST(MD5_SUBDIR, md5)
351 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
354 dnl **********************************************************************
356 dnl **********************************************************************
359 dnl We test for IPv6 by checking, in turn, for availability of
360 dnl getaddrinfo, presence of the INET6 address/protocol family, and
361 dnl the existence of struct sockaddr_in6. If any of them is missing,
362 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
364 dnl If --enable-ipv6 is explicitly specified on the configure command
365 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
366 dnl is specified, we disable IPv6 and don't check for it. The default
367 dnl is to autodetect IPv6 and use it where available.
371 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
372 [case "${enable_ipv6}" in
374 AC_MSG_NOTICE([disabling IPv6 at user request])
375 dnl Disable IPv6 checking
379 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
384 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
388 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
392 dnl If nothing is specified, assume auto-detection.
397 if test "X$ipv6" = "Xyes"; then
398 AC_CHECK_FUNCS(getaddrinfo, [], [
399 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
404 if test "X$ipv6" = "Xyes"; then
406 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
411 if test "X$ipv6" = "Xyes"; then
412 TYPE_STRUCT_SOCKADDR_IN6([],[
413 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
416 if test "X$ipv6" = "Xyes"; then
417 WGET_STRUCT_SOCKADDR_STORAGE
422 if test "X$ipv6" = "Xyes"; then
423 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
424 AC_MSG_NOTICE([Enabling support for IPv6.])
425 elif test "x$force_ipv6" = "xyes"; then
426 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
431 dnl Set of available languages.
433 dnl Originally this used to be static, looking like this:
434 dnl ALL_LINGUAS="cs de hr it ..."
435 dnl The downside was that configure needed to be rebuilt whenever a
436 dnl new language was added.
438 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' ' ')"
441 dnl Find makeinfo. We used to provide support for Emacs processing
442 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
443 dnl unavailable, but that broke with the addition of makeinfo-specific
444 dnl command-line options, such as `-I'. Now we depend on makeinfo to
445 dnl build the Info documentation.
448 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
451 dnl Find perl and pod2man
454 AC_PATH_PROGS(PERL, [perl5 perl], no)
455 AC_PATH_PROG(POD2MAN, pod2man, no)
457 if test "x${POD2MAN}" = xno; then
458 COMMENT_IF_NO_POD2MAN="# "
460 COMMENT_IF_NO_POD2MAN=
462 AC_SUBST(COMMENT_IF_NO_POD2MAN)
467 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
468 po/Makefile.in tests/Makefile tests/WgetTest.pm
469 lib/Makefile md5/Makefile windows/Makefile])
470 AC_CONFIG_HEADERS([src/config.h])