-# sockpfaf.m4 serial 1
-dnl Copyright (C) 2004 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License. As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# sockpfaf.m4 serial 7
+dnl Copyright (C) 2004, 2006, 2009, 2010 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
dnl Test for some common socket protocol families (PF_INET, PF_INET6, ...)
dnl and some common address families (AF_INET, AF_INET6, ...).
AC_DEFUN([gl_SOCKET_FAMILIES],
[
- AC_MSG_CHECKING(for IPv4 sockets)
- AC_CACHE_VAL(gl_cv_socket_ipv4,
- [AC_TRY_COMPILE([#include <sys/types.h>
+ AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+ AC_CHECK_HEADERS_ONCE([netinet/in.h])
+
+ AC_MSG_CHECKING([for IPv4 sockets])
+ AC_CACHE_VAL([gl_cv_socket_ipv4],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
-#include <netinet/in.h>],
-[int x = AF_INET; struct in_addr y; struct sockaddr_in z;],
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif]],
+[[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
+ if (&x && &y && &z) return 0;]])],
gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
- AC_MSG_RESULT($gl_cv_socket_ipv4)
+ AC_MSG_RESULT([$gl_cv_socket_ipv4])
if test $gl_cv_socket_ipv4 = yes; then
- AC_DEFINE(HAVE_IPV4, 1, [Define to 1 if <sys/socket.h> defines AF_INET.])
+ AC_DEFINE([HAVE_IPV4], [1], [Define to 1 if <sys/socket.h> defines AF_INET.])
fi
- AC_MSG_CHECKING(for IPv6 sockets)
- AC_CACHE_VAL(gl_cv_socket_ipv6,
- [AC_TRY_COMPILE([#include <sys/types.h>
+ AC_MSG_CHECKING([for IPv6 sockets])
+ AC_CACHE_VAL([gl_cv_socket_ipv6],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
-#include <netinet/in.h>],
-[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;],
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif]],
+[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
+ if (&x && &y && &z) return 0;]])],
gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
- AC_MSG_RESULT($gl_cv_socket_ipv6)
+ AC_MSG_RESULT([$gl_cv_socket_ipv6])
if test $gl_cv_socket_ipv6 = yes; then
- AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if <sys/socket.h> defines AF_INET6.])
+ AC_DEFINE([HAVE_IPV6], [1], [Define to 1 if <sys/socket.h> defines AF_INET6.])
fi
])