$OpenBSD: patch-boehm-gc_pthread_stop_world_c,v 1.1 2009/06/04 18:24:20 kurt Exp $
--- boehm-gc/pthread_stop_world.c.orig	Thu Mar  5 17:50:41 2009
+++ boehm-gc/pthread_stop_world.c	Thu Mar  5 17:51:12 2009
@@ -1,7 +1,8 @@
 #include "private/pthread_support.h"
 
 #if defined(GC_PTHREADS) && !defined(GC_SOLARIS_THREADS) \
-     && !defined(GC_WIN32_THREADS) && !defined(GC_DARWIN_THREADS)
+     && !defined(GC_WIN32_THREADS) && !defined(GC_DARWIN_THREADS) \
+     && !defined(GC_OPENBSD_THREADS)
 
 #include <signal.h>
 #include <semaphore.h>
