--- 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>