$NetBSD: patch-aj,v 1.1 2005/12/20 14:11:03 joerg Exp $

--- unixdep.h.orig	2005-12-20 13:59:22.000000000 +0000
+++ unixdep.h
@@ -11,7 +11,7 @@
 
 #include <sys/param.h>
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__DragonFly__)
 #define SYSTEM_FREEBSD
 #endif