-// The current version of the C++ library in compressed ISO date format.
-#define __GLIBCXX__ 20041214
-
-// Allow use of "export template." This is currently not a feature
-// that g++ supports.
-// #define _GLIBCXX_EXPORT_TEMPLATE 1
-
-// Allow use of the GNU syntax extension, "extern template." This
-// extension is fully documented in the g++ manual, but in a nutshell,
-// it inhibits all implicit instantiations and is used throughout the
-// library to avoid multiple weak definitions for required types that
-// are already explicitly instantiated in the library binary. This
-// substantially reduces the binary size of resulting executables.
-#ifndef _GLIBCXX_EXTERN_TEMPLATE
-# define _GLIBCXX_EXTERN_TEMPLATE 1
-#endif
-
-// Certain function definitions that are meant to be overridable from
-// user code are decorated with this macro. For some targets, this
-// macro causes these definitions to be weak.
-#ifndef _GLIBCXX_WEAK_DEFINITION
-# define _GLIBCXX_WEAK_DEFINITION
-#endif