-# sockpfaf.m4 serial 3
+# sockpfaf.m4 serial 5
dnl Copyright (C) 2004, 2006 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_DEFUN([gl_SOCKET_FAMILIES],
[
- AC_CHECK_HEADERS_ONCE(sys/socket.h netinet/in.h winsock2.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,
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif],
-[int x = AF_INET; struct in_addr y; struct sockaddr_in z;],
+[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)
if test $gl_cv_socket_ipv4 = yes; then
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif],
-[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;],
+[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
+ if (&x && &y && &z) return 0;],
gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
AC_MSG_RESULT($gl_cv_socket_ipv6)
if test $gl_cv_socket_ipv6 = yes; then