$OpenBSD: patch-threadutil_inc_ithread_h,v 1.1.1.1 2010/03/22 22:25:50 ajacoutot Exp $
--- threadutil/inc/ithread.h.orig	Tue Feb  9 12:17:14 2010
+++ threadutil/inc/ithread.h	Tue Feb  9 12:17:42 2010
@@ -41,7 +41,7 @@ extern "C" {
 	#include <unistd.h>
 #endif
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
 	#define PTHREAD_MUTEX_RECURSIVE_NP PTHREAD_MUTEX_RECURSIVE
 #endif
 
