$OpenBSD: patch-configure,v 1.3 2011/11/02 19:21:36 jasper Exp $

From 1ec48efc03df9368a59f501dfd1de9c9b15f016c Mon Sep 17 00:00:00 2001
From: Alan Knowles <alan@akbkhome.com>
Date: Fri, 23 Sep 2011 06:08:06 +0000
Subject: fix #659548 - stop CFLAGS getting unconditionally overwritten

--- configure.orig	Wed Nov  2 20:19:21 2011
+++ configure	Wed Nov  2 20:19:24 2011
@@ -15232,10 +15232,10 @@ fi
 
 if test "x$enable_debug" = "xyes"; then
 	SEED_DEBUG_CFLAGS="-DSEED_ENABLE_DEBUG -g"
-	CFLAGS="-O0 -Wall"
+	CFLAGS="$CFLAGS -O0 -Wall"
 else
 	SEED_DEBUG_CFLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -DG_DISABLE_CAST_CHECKS"
-	CFLAGS="-Wall"
+	CFLAGS="$CFLAGS -Wall"
 
 	if test "x$need_debug" = "xyes"; then
 		as_fn_error $? "debug must be enabled in order to enable profiling." "$LINENO" 5