Index: tests/concurrent/clib_tls.c
===================================================================
--- tests/concurrent/clib_tls.c	(revision c21f5a90db9704db1b7a16d7af9d651f609df64b)
+++ tests/concurrent/clib_tls.c	(revision 090a7c53db0d6d3e6332f455573fe3ab0c9f4336)
@@ -3,8 +3,14 @@
 #include <clib/cfathread.h>
 #include <bits/defs.hfa>
+#include <time_t.hfa>
 
 extern "C" {
 void _exit(int status);
 }
+
+Duration default_preemption(){
+	return 0;
+}
+
 
 thread_local int checkval = 0xBAADF00D;