--- qt-x11-free-3.3.8b/src/tools/qvaluelist.h 2008-01-15 17:09:13.000000000 -0200 +++ qt-x11-free-3.3.8b_patched/src/tools/qvaluelist.h 2012-08-09 13:03:09.000000000 -0300 @@ -50,6 +50,7 @@ #ifndef QT_NO_STL #include <iterator> #include <list> +#include <cstddef> #endif //#define QT_CHECK_VALUELIST_RANGE