--- MacRuby/branches/experimental/thread.c 2009-06-23 01:55:06 UTC (rev 1917)
+++ MacRuby/branches/experimental/thread.c 2009-06-23 04:22:48 UTC (rev 1918)
@@ -2,6 +2,8 @@
#include "ruby/node.h"
#include "vm.h"
+#include <pthread.h>
+
VALUE rb_cThread;
VALUE rb_cMutex;