1 dnl Wget-specific Autoconf macros.
2 dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 dnl 2004, 2005, 2006, 2007 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 Check for `struct utimbuf'.
33 AC_DEFUN([WGET_STRUCT_UTIMBUF], [
34 AC_CHECK_TYPES([struct utimbuf], [], [], [
37 # include <sys/types.h>
46 dnl Check for socklen_t. The third argument of accept, getsockname,
47 dnl etc. is int * on some systems, but size_t * on others. POSIX
48 dnl finally standardized on socklen_t, but older systems don't have
49 dnl it. If socklen_t exists, we use it, else if accept() accepts
50 dnl size_t *, we use that, else we use int.
52 AC_DEFUN([WGET_SOCKLEN_T], [
53 AC_MSG_CHECKING(for socklen_t)
55 #include <sys/types.h>
56 #include <sys/socket.h>
58 ], [AC_MSG_RESULT(socklen_t)], [
60 #include <sys/types.h>
61 #include <sys/socket.h>
62 int accept (int, struct sockaddr *, size_t *);
65 AC_DEFINE([socklen_t], [size_t],
66 [Define to int or size_t on systems without socklen_t.])
69 AC_DEFINE([socklen_t], [int],
70 [Define to int or size_t on systems without socklen_t.])
75 dnl Check whether fnmatch.h can be included. This doesn't use
76 dnl AC_FUNC_FNMATCH because Wget is already careful to only use
77 dnl fnmatch on certain OS'es. However, fnmatch.h is sometimes broken
78 dnl even on those because Apache installs its own fnmatch.h to
79 dnl /usr/local/include (!), which GCC uses before /usr/include.
81 AC_DEFUN([WGET_FNMATCH], [
82 AC_MSG_CHECKING([for working fnmatch.h])
83 AC_COMPILE_IFELSE([#include <fnmatch.h>
86 AC_DEFINE([HAVE_WORKING_FNMATCH_H], 1,
87 [Define if fnmatch.h can be included.])
93 dnl Check for nanosleep. For nanosleep to work on Solaris, we must
94 dnl link with -lrt (recently) or with -lposix4 (older releases).
96 AC_DEFUN([WGET_NANOSLEEP], [
97 AC_CHECK_FUNCS(nanosleep, [], [
98 AC_CHECK_LIB(rt, nanosleep, [
99 AC_DEFINE([HAVE_NANOSLEEP], 1,
100 [Define if you have the nanosleep function.])
103 AC_CHECK_LIB(posix4, nanosleep, [
104 AC_DEFINE([HAVE_NANOSLEEP], 1,
105 [Define if you have the nanosleep function.])
106 LIBS="-lposix4 $LIBS"
112 AC_DEFUN([WGET_POSIX_CLOCK], [
113 AC_CHECK_FUNCS(clock_gettime, [], [
114 AC_CHECK_LIB(rt, clock_gettime)
118 dnl Check whether we need to link with -lnsl and -lsocket, as is the
119 dnl case on e.g. Solaris.
121 AC_DEFUN([WGET_NSL_SOCKET], [
122 dnl On Solaris, -lnsl is needed to use gethostbyname. But checking
123 dnl for gethostbyname is not enough because on "NCR MP-RAS 3.0"
124 dnl gethostbyname is in libc, but -lnsl is still needed to use
125 dnl -lsocket, as well as for functions such as inet_ntoa. We look
126 dnl for such known offenders and if one of them is not found, we
127 dnl check if -lnsl is needed.
128 wget_check_in_nsl=NONE
129 AC_CHECK_FUNCS(gethostbyname, [], [
130 wget_check_in_nsl=gethostbyname
132 AC_CHECK_FUNCS(inet_ntoa, [], [
133 wget_check_in_nsl=inet_ntoa
135 if test $wget_check_in_nsl != NONE; then
136 AC_CHECK_LIB(nsl, $wget_check_in_nsl)
138 AC_CHECK_LIB(socket, socket)
142 dnl ************************************************************
143 dnl START OF IPv6 AUTOCONFIGURATION SUPPORT MACROS
144 dnl ************************************************************
146 AC_DEFUN([TYPE_STRUCT_SOCKADDR_IN6],[
147 wget_have_sockaddr_in6=
148 AC_CHECK_TYPES([struct sockaddr_in6],[
149 wget_have_sockaddr_in6=yes
151 wget_have_sockaddr_in6=no
153 #include <sys/types.h>
154 #include <sys/socket.h>
155 #include <netinet/in.h>
158 if test "X$wget_have_sockaddr_in6" = "Xyes"; then :
166 AC_DEFUN([MEMBER_SIN6_SCOPE_ID],[
167 AC_REQUIRE([TYPE_STRUCT_SOCKADDR_IN6])
169 wget_member_sin6_scope_id=
170 if test "X$wget_have_sockaddr_in6" = "Xyes"; then
171 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],[
172 wget_member_sin6_scope_id=yes
174 wget_member_sin6_scope_id=no
176 #include <sys/types.h>
177 #include <sys/socket.h>
178 #include <netinet/in.h>
182 if test "X$wget_member_sin6_scope_id" = "Xyes"; then
183 AC_DEFINE([HAVE_SOCKADDR_IN6_SCOPE_ID], 1,
184 [Define if struct sockaddr_in6 has the sin6_scope_id member])
192 AC_DEFUN([PROTO_INET6],[
193 AC_CACHE_CHECK([for INET6 protocol support], [wget_cv_proto_inet6],[
195 #include <sys/types.h>
196 #include <sys/socket.h>
199 #error Missing PF_INET6
202 #error Mlssing AF_INET6
205 wget_cv_proto_inet6=yes
207 wget_cv_proto_inet6=no
211 if test "X$wget_cv_proto_inet6" = "Xyes"; then :
219 AC_DEFUN([WGET_STRUCT_SOCKADDR_STORAGE],[
220 AC_CHECK_TYPES([struct sockaddr_storage],[], [], [
221 #include <sys/types.h>
222 #include <sys/socket.h>
226 dnl ************************************************************
227 dnl END OF IPv6 AUTOCONFIGURATION SUPPORT MACROS
228 dnl ************************************************************
230 # This code originates from Ulrich Drepper's AM_WITH_NLS.
232 AC_DEFUN([WGET_WITH_NLS],
233 [AC_MSG_CHECKING([whether NLS is requested])
234 dnl Default is enabled NLS
236 [ --disable-nls do not use Native Language Support],
237 HAVE_NLS=$enableval, HAVE_NLS=yes)
238 AC_MSG_RESULT($HAVE_NLS)
240 dnl If something goes wrong, we may still decide not to use NLS.
241 dnl For this reason, defer AC_SUBST'ing HAVE_NLS until the very
244 if test x"$HAVE_NLS" = xyes; then
245 dnl If LINGUAS is specified, use only those languages. In fact,
246 dnl compute an intersection of languages in LINGUAS and
247 dnl ALL_LINGUAS, and use that.
248 if test x"$LINGUAS" != x; then
250 for lang1 in $ALL_LINGUAS; do
251 for lang2 in $LINGUAS; do
252 if test "$lang1" = "$lang2"; then
253 new_linguas="$new_linguas $lang1"
257 ALL_LINGUAS=$new_linguas
259 AC_MSG_NOTICE([language catalogs: $ALL_LINGUAS])
260 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
261 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
262 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
263 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
265 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
270 dnl Test whether we really found GNU xgettext.
271 if test "$XGETTEXT" != ":"; then
272 dnl If it is no GNU xgettext we define it as : so that the
273 dnl Makefiles still can work.
274 if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
278 [found xgettext programs is not GNU xgettext; ignore it])
283 AC_CHECK_HEADERS(libintl.h)
285 dnl Prefer gettext found in -lintl to the one in libc.
286 dnl Otherwise it can happen that we include libintl.h from
287 dnl /usr/local/lib, but fail to specify -lintl, which results in
288 dnl link or run-time failures. (Symptom: libintl_bindtextdomain
289 dnl not found at link-time.)
291 AC_CHECK_LIB(intl, gettext, [
292 dnl gettext is in libintl; announce the fact manually.
294 AC_DEFINE([HAVE_GETTEXT], 1,
295 [Define if you have the gettext function.])
297 AC_CHECK_FUNCS(gettext, [], [
298 AC_MSG_RESULT([gettext not found; disabling NLS])
303 for lang in $ALL_LINGUAS; do
304 GMOFILES="$GMOFILES $lang.gmo"
305 POFILES="$POFILES $lang.po"
307 dnl Construct list of names of catalog files to be constructed.
308 for lang in $ALL_LINGUAS; do
309 CATALOGS="$CATALOGS ${lang}${CATOBJEXT}"
312 dnl Make all variables we use known to autoconf.
315 AC_SUBST(DATADIRNAME)
322 dnl Some independently maintained files, such as po/Makefile.in,
323 dnl use `USE_NLS', so support it.
326 if test "x$HAVE_NLS" = xyes; then
327 AC_DEFINE([HAVE_NLS], 1, [Define this if you want the NLS support.])
331 dnl Generate list of files to be processed by xgettext which will
332 dnl be included in po/Makefile.
334 dnl This is not strictly an Autoconf macro, because it is run from
335 dnl within `config.status' rather than from within configure. This
336 dnl is why special rules must be applied for it.
337 AC_DEFUN([WGET_PROCESS_PO],
339 dnl I wonder what the following several lines do...
340 if test "x$srcdir" != "x."; then
341 if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
342 posrcprefix="$srcdir/"
344 posrcprefix="../$srcdir/"
350 dnl Use `echo' rather than AC_MSG_RESULT, because this is run from
352 echo "generating po/POTFILES from $srcdir/po/POTFILES.in"
353 sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," \
354 -e "\$s/\(.*\) \\\\/\1/" \
355 < $srcdir/po/POTFILES.in > po/POTFILES
356 echo "creating po/Makefile"
357 sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
360 # Search path for a program which passes the given test.
361 # Ulrich Drepper <drepper@cygnus.com>, 1996.
363 # This file may be copied and used freely without restrictions. It
364 # can be used in projects which are not available under the GNU Public
365 # License but which still want to provide support for the GNU gettext
366 # functionality. Please note that the actual code is *not* freely
369 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
370 dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
371 AC_DEFUN([AM_PATH_PROG_WITH_TEST],
372 [# Extract the first word of "$2", so it can be a program name with args.
373 set dummy $2; ac_word=[$]2
374 AC_MSG_CHECKING([for $ac_word])
375 AC_CACHE_VAL(ac_cv_path_$1,
378 ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
381 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
382 for ac_dir in ifelse([$5], , $PATH, [$5]); do
383 test -z "$ac_dir" && ac_dir=.
384 if test -f $ac_dir/$ac_word; then
386 ac_cv_path_$1="$ac_dir/$ac_word"
392 dnl If no 4th arg is given, leave the cache variable unset,
393 dnl so AC_PATH_PROGS will keep looking.
394 ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
399 if test -n "[$]$1"; then