-# sockpfaf.m4 serial 5
-dnl Copyright (C) 2004, 2006 Free Software Foundation, Inc.
+# 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 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.
- AC_MSG_CHECKING(for IPv4 sockets)
- AC_CACHE_VAL(gl_cv_socket_ipv4,
- [AC_TRY_COMPILE([#include <sys/types.h>
+ AC_MSG_CHECKING([for IPv4 sockets])
+ AC_CACHE_VAL([gl_cv_socket_ipv4],
+ [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
-#endif],
-[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
- if (&x && &y && &z) return 0;],
+#endif]],
+[[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
+ if (&x && &y && &z) return 0;]])],
- 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>
-#endif],
-[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
- if (&x && &y && &z) return 0;],
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif]],
+[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
+ if (&x && &y && &z) return 0;]])],