$NetBSD: patch-configure.in,v 1.1 2011/02/07 05:45:17 obache Exp $

* Add support for SIOCGIFCONF interface

--- configure.in.orig	2007-01-20 11:39:21.000000000 +0000
+++ configure.in
@@ -186,6 +186,9 @@ AC_DNET_SOCKADDR_IN6
 if test "$ac_cv_header_sys_socket_h" = yes ; then
 	AC_DNET_SOCKADDR_SA_LEN
 fi
+if test "$ac_cv_header_net_if_h" = yes ; then
+	AC_DNET_IFREQ_IFR_SPACE
+fi
 if test "$ac_cv_header_net_if_arp_h" = yes ; then
 	AC_DNET_ARPREQ_ARP_DEV
 fi