$OpenBSD: patch-src_Makefile,v 1.1 2003/10/01 19:27:47 sturm Exp $
--- src/Makefile.orig	2003-10-01 21:22:27.000000000 +0200
+++ src/Makefile	2003-10-01 21:23:35.000000000 +0200
@@ -38,7 +38,7 @@ CFLAGS = -g $(GTKCFLAGS)
 MLLINK += -cclib -lcamlrund
 MLFLAGS = -g
 else
-CFLAGS = -O -DGTK_NO_CHECK_CASTS -DGTK_DISABLE_COMPAT_H $(GTKCFLAGS)
+CFLAGS := -DGTK_NO_CHECK_CASTS -DGTK_DISABLE_COMPAT_H $(GTKCFLAGS) $(CFLAGS)
 endif
 
 THFLAGS = -thread