$NetBSD$

--- src/decoder.c.orig	2010-03-22 01:51:10.000000000 +0000
+++ src/decoder.c
@@ -31,6 +31,12 @@
 #include <string.h>
 #include "engine.h"
 
+#ifndef MAP_ANONYMOUS
+#ifdef MAP_ANON
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+#endif
+
 static char * nextline(char *);
 
 /**
