$NetBSD: patch-ac,v 1.6.4.1 2004/05/30 09:00:35 grant Exp $

--- OS/Makefile-NetBSD-a.out.orig	Wed May  5 11:08:35 2004
+++ 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