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 In addition, as a special exception, the Free Software Foundation
19 dnl gives permission to link the code of its release of Wget with the
20 dnl OpenSSL project's "OpenSSL" library (or with modified versions of it
21 dnl that use the same license as the "OpenSSL" library), and distribute
22 dnl the linked executables. You must obey the GNU General Public License
23 dnl in all respects for all of the code used other than "OpenSSL". If you
24 dnl modify this file, you may extend this exception to your version of the
25 dnl file, but you are not obligated to do so. If you do not wish to do
26 dnl so, delete this exception statement from your version.
29 dnl Check for `struct utimbuf'.
32 AC_DEFUN([WGET_STRUCT_UTIMBUF], [
33 AC_CHECK_TYPES([struct utimbuf], [], [], [
36 # include <sys/types.h>
45 dnl Check for socklen_t. The third argument of accept, getsockname,
46 dnl etc. is int * on some systems, but size_t * on others. POSIX
47 dnl finally standardized on socklen_t, but older systems don't have
48 dnl it. If socklen_t exists, we use it, else if accept() accepts
49 dnl size_t *, we use that, else we use int.
51 AC_DEFUN([WGET_SOCKLEN_T], [
52 AC_MSG_CHECKING(for socklen_t)
54 #include <sys/types.h>
55 #include <sys/socket.h>
57 ], [AC_MSG_RESULT(socklen_t)], [
59 #include <sys/types.h>
60 #include <sys/socket.h>
61 int accept (int, struct sockaddr *, size_t *);
64 AC_DEFINE([socklen_t], [size_t],
65 [Define to int or size_t on systems without socklen_t.])
68 AC_DEFINE([socklen_t], [int],
69 [Define to int or size_t on systems without socklen_t.])
74 dnl Check whether fnmatch.h can be included. This doesn't use
75 dnl AC_FUNC_FNMATCH because Wget is already careful to only use
76 dnl fnmatch on certain OS'es. However, fnmatch.h is sometimes broken
77 dnl even on those because Apache installs its own fnmatch.h to
78 dnl /usr/local/include (!), which GCC uses before /usr/include.
80 AC_DEFUN([WGET_FNMATCH], [
81 AC_MSG_CHECKING([for working fnmatch.h])
82 AC_COMPILE_IFELSE([#include <fnmatch.h>
85 AC_DEFINE([HAVE_WORKING_FNMATCH_H], 1,
86 [Define if fnmatch.h can be included.])
92 dnl Check for nanosleep. For nanosleep to work on Solaris, we must
93 dnl link with -lrt (recently) or with -lposix4 (older releases).
95 AC_DEFUN([WGET_NANOSLEEP], [
96 AC_CHECK_FUNCS(nanosleep, [], [
97 AC_CHECK_LIB(rt, nanosleep, [
98 AC_DEFINE([HAVE_NANOSLEEP], 1,
99 [Define if you have the nanosleep function.])
102 AC_CHECK_LIB(posix4, nanosleep, [
103 AC_DEFINE([HAVE_NANOSLEEP], 1,
104 [Define if you have the nanosleep function.])
105 LIBS="-lposix4 $LIBS"
111 AC_DEFUN([WGET_POSIX_CLOCK], [
112 AC_CHECK_FUNCS(clock_gettime, [], [
113 AC_CHECK_LIB(rt, clock_gettime)
117 dnl Check whether we need to link with -lnsl and -lsocket, as is the
118 dnl case on e.g. Solaris.
120 AC_DEFUN([WGET_NSL_SOCKET], [
121 dnl On Solaris, -lnsl is needed to use gethostbyname. But checking
122 dnl for gethostbyname is not enough because on "NCR MP-RAS 3.0"
123 dnl gethostbyname is in libc, but -lnsl is still needed to use
124 dnl -lsocket, as well as for functions such as inet_ntoa. We look
125 dnl for such known offenders and if one of them is not found, we
126 dnl check if -lnsl is needed.
127 wget_check_in_nsl=NONE
128 AC_CHECK_FUNCS(gethostbyname, [], [
129 wget_check_in_nsl=gethostbyname
131 AC_CHECK_FUNCS(inet_ntoa, [], [
132 wget_check_in_nsl=inet_ntoa
134 if test $wget_check_in_nsl != NONE; then
135 AC_CHECK_LIB(nsl, $wget_check_in_nsl)
137 AC_CHECK_LIB(socket, socket)
141 dnl ************************************************************
142 dnl START OF IPv6 AUTOCONFIGURATION SUPPORT MACROS
143 dnl ************************************************************
145 AC_DEFUN([TYPE_STRUCT_SOCKADDR_IN6],[
146 wget_have_sockaddr_in6=
147 AC_CHECK_TYPES([struct sockaddr_in6],[
148 wget_have_sockaddr_in6=yes
150 wget_have_sockaddr_in6=no
152 #include <sys/types.h>
153 #include <sys/socket.h>
154 #include <netinet/in.h>
157 if test "X$wget_have_sockaddr_in6" = "Xyes"; then :
165 AC_DEFUN([MEMBER_SIN6_SCOPE_ID],[
166 AC_REQUIRE([TYPE_STRUCT_SOCKADDR_IN6])
168 wget_member_sin6_scope_id=
169 if test "X$wget_have_sockaddr_in6" = "Xyes"; then
170 AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],[
171 wget_member_sin6_scope_id=yes
173 wget_member_sin6_scope_id=no
175 #include <sys/types.h>
176 #include <sys/socket.h>
177 #include <netinet/in.h>
181 if test "X$wget_member_sin6_scope_id" = "Xyes"; then
182 AC_DEFINE([HAVE_SOCKADDR_IN6_SCOPE_ID], 1,
183 [Define if struct sockaddr_in6 has the sin6_scope_id member])
191 AC_DEFUN([PROTO_INET6],[
192 AC_CACHE_CHECK([for INET6 protocol support], [wget_cv_proto_inet6],[
194 #include <sys/types.h>
195 #include <sys/socket.h>
198 #error Missing PF_INET6
201 #error Mlssing AF_INET6
204 wget_cv_proto_inet6=yes
206 wget_cv_proto_inet6=no
210 if test "X$wget_cv_proto_inet6" = "Xyes"; then :
218 AC_DEFUN([WGET_STRUCT_SOCKADDR_STORAGE],[
219 AC_CHECK_TYPES([struct sockaddr_storage],[], [], [
220 #include <sys/types.h>
221 #include <sys/socket.h>
225 dnl ************************************************************
226 dnl END OF IPv6 AUTOCONFIGURATION SUPPORT MACROS
227 dnl ************************************************************
229 # This code originates from Ulrich Drepper's AM_WITH_NLS.
231 AC_DEFUN([WGET_WITH_NLS],
232 [AC_MSG_CHECKING([whether NLS is requested])
233 dnl Default is enabled NLS
235 [ --disable-nls do not use Native Language Support],
236 HAVE_NLS=$enableval, HAVE_NLS=yes)
237 AC_MSG_RESULT($HAVE_NLS)
239 dnl If something goes wrong, we may still decide not to use NLS.
240 dnl For this reason, defer AC_SUBST'ing HAVE_NLS until the very
243 if test x"$HAVE_NLS" = xyes; then
244 dnl If LINGUAS is specified, use only those languages. In fact,
245 dnl compute an intersection of languages in LINGUAS and
246 dnl ALL_LINGUAS, and use that.
247 if test x"$LINGUAS" != x; then
249 for lang1 in $ALL_LINGUAS; do
250 for lang2 in $LINGUAS; do
251 if test "$lang1" = "$lang2"; then
252 new_linguas="$new_linguas $lang1"
256 ALL_LINGUAS=$new_linguas
258 AC_MSG_NOTICE([language catalogs: $ALL_LINGUAS])
259 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
260 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
261 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
262 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
264 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
269 dnl Test whether we really found GNU xgettext.
270 if test "$XGETTEXT" != ":"; then
271 dnl If it is no GNU xgettext we define it as : so that the
272 dnl Makefiles still can work.
273 if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
277 [found xgettext programs is not GNU xgettext; ignore it])
282 AC_CHECK_HEADERS(libintl.h)
284 dnl Prefer gettext found in -lintl to the one in libc.
285 dnl Otherwise it can happen that we include libintl.h from
286 dnl /usr/local/lib, but fail to specify -lintl, which results in
287 dnl link or run-time failures. (Symptom: libintl_bindtextdomain
288 dnl not found at link-time.)
290 AC_CHECK_LIB(intl, gettext, [
291 dnl gettext is in libintl; announce the fact manually.
293 AC_DEFINE([HAVE_GETTEXT], 1,
294 [Define if you have the gettext function.])
296 AC_CHECK_FUNCS(gettext, [], [
297 AC_MSG_RESULT([gettext not found; disabling NLS])
302 for lang in $ALL_LINGUAS; do
303 GMOFILES="$GMOFILES $lang.gmo"
304 POFILES="$POFILES $lang.po"
306 dnl Construct list of names of catalog files to be constructed.
307 for lang in $ALL_LINGUAS; do
308 CATALOGS="$CATALOGS ${lang}${CATOBJEXT}"
311 dnl Make all variables we use known to autoconf.
314 AC_SUBST(DATADIRNAME)
321 dnl Some independently maintained files, such as po/Makefile.in,
322 dnl use `USE_NLS', so support it.
325 if test "x$HAVE_NLS" = xyes; then
326 AC_DEFINE([HAVE_NLS], 1, [Define this if you want the NLS support.])
330 dnl Generate list of files to be processed by xgettext which will
331 dnl be included in po/Makefile.
333 dnl This is not strictly an Autoconf macro, because it is run from
334 dnl within `config.status' rather than from within configure. This
335 dnl is why special rules must be applied for it.
336 AC_DEFUN([WGET_PROCESS_PO],
338 dnl I wonder what the following several lines do...
339 if test "x$srcdir" != "x."; then
340 if test "x`echo $srcdir | sed 's@/.*@@'`" = "x"; then
341 posrcprefix="$srcdir/"
343 posrcprefix="../$srcdir/"
349 dnl Use `echo' rather than AC_MSG_RESULT, because this is run from
351 echo "generating po/POTFILES from $srcdir/po/POTFILES.in"
352 sed -e "/^#/d" -e "/^\$/d" -e "s,.*, $posrcprefix& \\\\," \
353 -e "\$s/\(.*\) \\\\/\1/" \
354 < $srcdir/po/POTFILES.in > po/POTFILES
355 echo "creating po/Makefile"
356 sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile
359 # Search path for a program which passes the given test.
360 # Ulrich Drepper <drepper@cygnus.com>, 1996.
362 # This file may be copied and used freely without restrictions. It
363 # can be used in projects which are not available under the GNU Public
364 # License but which still want to provide support for the GNU gettext
365 # functionality. Please note that the actual code is *not* freely
368 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
369 dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
370 AC_DEFUN([AM_PATH_PROG_WITH_TEST],
371 [# Extract the first word of "$2", so it can be a program name with args.
372 set dummy $2; ac_word=[$]2
373 AC_MSG_CHECKING([for $ac_word])
374 AC_CACHE_VAL(ac_cv_path_$1,
377 ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
380 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
381 for ac_dir in ifelse([$5], , $PATH, [$5]); do
382 test -z "$ac_dir" && ac_dir=.
383 if test -f $ac_dir/$ac_word; then
385 ac_cv_path_$1="$ac_dir/$ac_word"
391 dnl If no 4th arg is given, leave the cache variable unset,
392 dnl so AC_PATH_PROGS will keep looking.
393 ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
398 if test -n "[$]$1"; then