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wget/m4/wget.m4

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dnl Wget-specific Autoconf macros.
dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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dnl 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
dnl Foundation, Inc.
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dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3 of the License, or
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dnl (at your option) any later version.
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl You should have received a copy of the GNU General Public License
dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
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dnl Additional permission under GNU GPL version 3 section 7
dnl If you modify this program, or any covered work, by linking or
dnl combining it with the OpenSSL project's OpenSSL library (or a
dnl modified version of that library), containing parts covered by the
dnl terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
dnl grants you additional permission to convey the resulting work.
dnl Corresponding Source for a non-source form of such a combination
dnl shall include the source code for the parts of OpenSSL used as well
dnl as that of the covered work.
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dnl
dnl Check for `struct utimbuf'.
dnl
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AC_DEFUN([WGET_STRUCT_UTIMBUF], [
AC_CHECK_TYPES([struct utimbuf], [], [], [
#include <stdio.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_UTIME_H
# include <utime.h>
#endif
])
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])
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dnl Check whether fnmatch.h can be included. This doesn't use
dnl AC_FUNC_FNMATCH because Wget is already careful to only use
dnl fnmatch on certain OS'es. However, fnmatch.h is sometimes broken
dnl even on those because Apache installs its own fnmatch.h to
dnl /usr/local/include (!), which GCC uses before /usr/include.
AC_DEFUN([WGET_FNMATCH], [
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AC_MSG_CHECKING([for working fnmatch.h])
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AC_COMPILE_IFELSE([#include <fnmatch.h>
], [
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_WORKING_FNMATCH_H], 1,
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[Define if fnmatch.h can be included.])
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], [
AC_MSG_RESULT(no)
])
])
dnl Check for nanosleep. For nanosleep to work on Solaris, we must
dnl link with -lrt (recently) or with -lposix4 (older releases).
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AC_DEFUN([WGET_NANOSLEEP], [
AC_CHECK_FUNCS(nanosleep, [], [
AC_CHECK_LIB(rt, nanosleep, [
AC_DEFINE([HAVE_NANOSLEEP], 1,
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[Define if you have the nanosleep function.])
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LIBS="-lrt $LIBS"
], [
AC_CHECK_LIB(posix4, nanosleep, [
AC_DEFINE([HAVE_NANOSLEEP], 1,
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[Define if you have the nanosleep function.])
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LIBS="-lposix4 $LIBS"
])
])
])
])
AC_DEFUN([WGET_POSIX_CLOCK], [
AC_CHECK_FUNCS(clock_gettime, [], [
AC_CHECK_LIB(rt, clock_gettime)
])
])
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dnl Check whether we need to link with -lnsl and -lsocket, as is the
dnl case on e.g. Solaris.
AC_DEFUN([WGET_NSL_SOCKET], [
dnl On Solaris, -lnsl is needed to use gethostbyname. But checking
dnl for gethostbyname is not enough because on "NCR MP-RAS 3.0"
dnl gethostbyname is in libc, but -lnsl is still needed to use
dnl -lsocket, as well as for functions such as inet_ntoa. We look
dnl for such known offenders and if one of them is not found, we
dnl check if -lnsl is needed.
wget_check_in_nsl=NONE
AC_CHECK_FUNCS(gethostbyname, [], [
wget_check_in_nsl=gethostbyname
])
AC_CHECK_FUNCS(inet_ntoa, [], [
wget_check_in_nsl=inet_ntoa
])
if test $wget_check_in_nsl != NONE; then
AC_CHECK_LIB(nsl, $wget_check_in_nsl)
fi
AC_CHECK_LIB(socket, socket)
])
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dnl ************************************************************
dnl START OF IPv6 AUTOCONFIGURATION SUPPORT MACROS
dnl ************************************************************
AC_DEFUN([TYPE_STRUCT_SOCKADDR_IN6],[
wget_have_sockaddr_in6=
AC_CHECK_TYPES([struct sockaddr_in6],[
wget_have_sockaddr_in6=yes
],[
wget_have_sockaddr_in6=no
],[
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#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
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#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
])
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if test "X$wget_have_sockaddr_in6" = "Xyes"; then :
$1
else :
$2
fi
])
AC_DEFUN([MEMBER_SIN6_SCOPE_ID],[
AC_REQUIRE([TYPE_STRUCT_SOCKADDR_IN6])
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wget_member_sin6_scope_id=
if test "X$wget_have_sockaddr_in6" = "Xyes"; then
AC_CHECK_MEMBER([struct sockaddr_in6.sin6_scope_id],[
wget_member_sin6_scope_id=yes
],[
wget_member_sin6_scope_id=no
],[
#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
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#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
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#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
])
fi
if test "X$wget_member_sin6_scope_id" = "Xyes"; then
AC_DEFINE([HAVE_SOCKADDR_IN6_SCOPE_ID], 1,
[Define if struct sockaddr_in6 has the sin6_scope_id member])
$1
else :
$2
fi
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])
AC_DEFUN([PROTO_INET6],[
AC_CACHE_CHECK([for INET6 protocol support], [wget_cv_proto_inet6],[
AC_TRY_CPP([
#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
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#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifndef PF_INET6
#error Missing PF_INET6
#endif
#ifndef AF_INET6
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#error Missing AF_INET6
#endif
],[
wget_cv_proto_inet6=yes
],[
wget_cv_proto_inet6=no
])
])
if test "X$wget_cv_proto_inet6" = "Xyes"; then :
$1
else :
$2
fi
])
AC_DEFUN([WGET_STRUCT_SOCKADDR_STORAGE],[
AC_CHECK_TYPES([struct sockaddr_storage],[], [], [
#include <sys/types.h>
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#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
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#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
])
])
dnl ************************************************************
dnl END OF IPv6 AUTOCONFIGURATION SUPPORT MACROS
dnl ************************************************************
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dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
AC_DEFUN([AM_PATH_PROG_WITH_TEST],
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[# Extract the first word of "$2", so it can be a program name with args.
set dummy $2; ac_word=[$]2
AC_MSG_CHECKING([for $ac_word])
AC_CACHE_VAL(ac_cv_path_$1,
[case "[$]$1" in
/*)
ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
;;
*)
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in ifelse([$5], , $PATH, [$5]); do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
if [$3]; then
ac_cv_path_$1="$ac_dir/$ac_word"
break
fi
fi
done
IFS="$ac_save_ifs"
dnl If no 4th arg is given, leave the cache variable unset,
dnl so AC_PATH_PROGS will keep looking.
ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
])dnl
;;
esac])dnl
$1="$ac_cv_path_$1"
if test -n "[$]$1"; then
AC_MSG_RESULT([$]$1)
else
AC_MSG_RESULT(no)
fi
AC_SUBST($1)dnl
])