$NetBSD: patch-ae,v 1.3 2009/04/13 12:16:24 rh Exp $

--- Source/thr-pthread.m.orig	2008-06-12 20:44:00.000000000 +1000
+++ Source/thr-pthread.m
@@ -259,8 +259,8 @@ objc_thread_get_priority(void)
 void
 objc_thread_yield(void)
 {
-#if !defined(__APPLE__)
-  /* Not defined in darwin? */
+#if (defined(__linux__) || defined(__OpenBSD__))
+  /* Not defined in POSIX, but used by some platforms */
   pthread_yield();
 #else
   sched_yield();