$NetBSD: patch-ab,v 1.1.1.1 2009/04/06 10:17:32 wiz Exp $

--- src/coroutine_ucontext.c.orig	2008-09-05 12:32:16.000000000 +0000
+++ src/coroutine_ucontext.c
@@ -14,6 +14,10 @@
 #include <stdlib.h>
 #include "coroutine.h"
 
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
 int coroutine_release(struct coroutine *co)
 {
 	return cc_release(&co->cc);