$NetBSD: patch-ac,v 1.1 2002/10/02 22:08:43 dillo Exp $

--- configure.orig	Thu Oct  3 00:01:46 2002
+++ configure
@@ -6612,10 +6612,17 @@ EOF
 cat >>confdefs.h <<\EOF
 #define _POSIX_C_SOURCE 199506L
 EOF
-
+case $host_vendor-$host_os in
+*netbsd*)
+cat >>confdefs.h <<\EOF
+#define _XOPEN_SOURCE 520
+EOF
+;;
+*)
 cat >>confdefs.h <<\EOF
 #define _XOPEN_SOURCE 500
 EOF
+esac
 
 fi