# endif
# endif
-# if defined(_GLIBCXX_INCLUDE_AS_TR1)
-# error C++0x header cannot be included from TR1 header
-# endif
-# if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
-# include <tr1_impl/cinttypes>
-# else
-# define _GLIBCXX_INCLUDE_AS_CXX0X
-# define _GLIBCXX_BEGIN_NAMESPACE_TR1
-# define _GLIBCXX_END_NAMESPACE_TR1
-# define _GLIBCXX_TR1
-# include <tr1_impl/cinttypes>
-# undef _GLIBCXX_TR1
-# undef _GLIBCXX_END_NAMESPACE_TR1
-# undef _GLIBCXX_BEGIN_NAMESPACE_TR1
-# undef _GLIBCXX_INCLUDE_AS_CXX0X
-# endif
+#ifdef _GLIBCXX_USE_C99_INTTYPES_TR1
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+ // types
+ using ::imaxdiv_t;
+
+ // functions
+ using ::imaxabs;
+
+ // May collide with _Longlong abs(_Longlong), and is not described
+ // anywhere outside the synopsis. Likely, a defect.
+ //
+ // intmax_t abs(intmax_t)
+
+ using ::imaxdiv;
+
+ // Likewise, with lldiv_t div(_Longlong, _Longlong).
+ //
+ // imaxdiv_t div(intmax_t, intmax_t)
+
+ using ::strtoimax;
+ using ::strtoumax;
+
+#if defined(_GLIBCXX_USE_WCHAR_T) && _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1
+ using ::wcstoimax;
+ using ::wcstoumax;
+#endif
+
+_GLIBCXX_END_NAMESPACE
+
+#endif _GLIBCXX_USE_C99_INTTYPES_TR1
#else