# sockpfaf.m4 serial 7
-dnl Copyright (C) 2004, 2006, 2009 Free Software Foundation, Inc.
+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.
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
+#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;]])],