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, 2008, 2009 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
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13 dnl GNU General Public License for more details.
15 dnl You should have received a copy of the GNU General Public License
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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
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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 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
231 dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
232 AC_DEFUN([AM_PATH_PROG_WITH_TEST],
233 [# Extract the first word of "$2", so it can be a program name with args.
234 set dummy $2; ac_word=[$]2
235 AC_MSG_CHECKING([for $ac_word])
236 AC_CACHE_VAL(ac_cv_path_$1,
239 ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
242 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
243 for ac_dir in ifelse([$5], , $PATH, [$5]); do
244 test -z "$ac_dir" && ac_dir=.
245 if test -f $ac_dir/$ac_word; then
247 ac_cv_path_$1="$ac_dir/$ac_word"
253 dnl If no 4th arg is given, leave the cache variable unset,
254 dnl so AC_PATH_PROGS will keep looking.
255 ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
260 if test -n "[$]$1"; then