#ifndef _TR1_UTILITY
#define _TR1_UTILITY 1
-#include "../utility"
+#include <utility>
namespace std
{
-_GLIBCXX_BEGIN_NAMESPACE(tr1)
+_GLIBCXX_BEGIN_NAMESPACE(_GLIBCXX_TR1)
template<class _Tp> class tuple_size;
template<int _Int, class _Tp> class tuple_element;