$NetBSD: patch-ae,v 1.5 2006/05/02 08:00:08 yyamano Exp $

--- configure.orig	Tue Apr  6 12:12:18 1999
+++ configure
@@ -704,12 +704,17 @@
         CPP=/lib/cpp
     fi
     ;;
-"FreeBSD")
+"FreeBSD" | "OpenBSD")
     CCOPTIONS="-DCSRG_BASED"
     CDEBUGFLAGS="-O2 -fno-strength-reduce"
     if test -x /usr/libexec/cpp; then
         CPP=/usr/libexec/cpp
     fi
+    ;;
+"NetBSD" | "DragonFly" | "Darwin")
+    CCOPTIONS="-DCSRG_BASED"
+    CDEBUGFLAGS="-O2 -fno-strength-reduce"
+    CPP=/usr/bin/cpp
     ;;
 "SunOS")
     if test $CC = gcc; then