$OpenBSD: patch-boehm-gc_threadlibs_c,v 1.1.1.1 2009/06/22 22:37:32 sthen Exp $
--- boehm-gc/threadlibs.c.orig	Thu Mar  5 17:58:11 2009
+++ boehm-gc/threadlibs.c	Thu Mar  5 17:58:54 2009
@@ -15,6 +15,9 @@ int main()
 	|| defined(GC_DARWIN_THREADS) || defined(GC_AIX_THREADS)
         printf("-lpthread\n");
 #   endif
+#   if defined(GC_OPENBSD_THREADS)
+        printf("-pthread\n");
+#   endif
 #   if defined(GC_FREEBSD_THREADS)
 #       if (__FREEBSD_version >= 500000)
           printf("-lpthread\n");