$OpenBSD: patch-source_blender_blenlib_intern_threads_c,v 1.1 2009/10/25 22:41:25 steven Exp $
--- source/blender/blenlib/intern/threads.c.orig	Wed Oct 14 17:39:51 2009
+++ source/blender/blenlib/intern/threads.c	Wed Oct 14 17:41:08 2009
@@ -46,6 +46,9 @@
 #elif defined(__APPLE__)
 #include <sys/types.h>
 #include <sys/sysctl.h>
+#elif defined(__OpenBSD__)
+#include <sys/param.h>
+#include <sys/sysctl.h>
 #else
 #include <unistd.h> 
 #endif
@@ -272,7 +275,7 @@ int BLI_system_thread_count( void )
 	GetSystemInfo(&info);
 	t = (int) info.dwNumberOfProcessors;
 #else 
-#	ifdef __APPLE__
+#	if defined(__APPLE__) || defined(__OpenBSD__)
 	int mib[2];
 	size_t len;
 	
