$OpenBSD: patch-configure,v 1.2 2010/07/27 08:57:38 landry Exp $
--- configure.orig	Thu Jul  8 22:07:15 2010
+++ configure	Tue Jul 27 10:40:55 2010
@@ -9790,7 +9790,7 @@ fi
 
 RGBA_PNG_ENABLED=$RGBA_PNG_ENABLED
 
-PNG_INC=$PNG_INC
+PNG_INC=-I$PNG_DIR/include/libpng
 
 PNG_LIB=$PNG_LIB
 
