--- old/config.tests/unix/stl/stltest.cpp	2011-06-23 03:45:23.000000000 -0400
+++ new/config.tests/unix/stl/stltest.cpp	2014-08-28 00:54:04.154837604 -0400
@@ -49,6 +49,7 @@
 #include <vector>
 #include <algorithm>
 #include <iostream>
+#include <cstddef>
 
 // something mean to see if the compiler and C++ standard lib are good enough
 template<class K, class T>