$NetBSD: patch-af,v 1.2 2006/04/28 20:33:30 joerg Exp $
--- src/exec/dxmods/_compoper1.c.orig	Sun Sep 26 23:18:48 1999
+++ src/exec/dxmods/_compoper1.c	Sun Sep 26 23:19:04 1999
@@ -457,6 +457,9 @@
 #ifdef freebsd
 #   define trunc(x) ((float)((int)(x)))
 #endif
+#if defined(__NetBSD__) || defined(__DragonFly__)
+#   define trunc(x) ((float)((int)(x)))
+#endif
 #ifdef cygwin
 #   define trunc(x) ((float)((int)(x)))
 #endif