$OpenBSD: patch-boehm-gc_include_gc_config_h_in,v 1.1 2009/06/04 18:24:20 kurt Exp $
--- boehm-gc/include/gc_config.h.in.orig	Thu Mar 12 12:32:48 2009
+++ boehm-gc/include/gc_config.h.in	Thu Mar 12 12:33:31 2009
@@ -30,6 +30,9 @@
 /* support FreeBSD threads */
 #undef GC_FREEBSD_THREADS
 
+/* support OpenBSD threads */
+#undef GC_OPENBSD_THREADS
+
 /* include support for gcj */
 #undef GC_GCJ_SUPPORT
 
