$NetBSD: patch-ac,v 1.6 2003/09/02 10:33:42 abs Exp $

--- OS/Makefile-NetBSD-a.out.orig	2003-08-12 16:39:51.000000000 +0100
+++ OS/Makefile-NetBSD-a.out
@@ -1,7 +1,7 @@
 # Exim: OS-specific make file for NetBSD (a.out/COFF object format)
 
 CHOWN_COMMAND=/usr/sbin/chown
-CFLAGS=-O
+CFLAGS?=-O2 -pipe
 
 HAVE_SA_LEN=YES
 HAVE_IPV6=YES