| //===-- Support/hash_map - "Portable" wrapper around hash_map ---*- C++ -*-===// |
| // |
| // This file provides a wrapper around the mysterious <hash_map> header file |
| // that seems to move around between GCC releases into and out of namespaces at |
| // will. #including this header will cause hash_map to be available in the |
| // global namespace. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SUPPORT_HASHMAP_H |
| #define SUPPORT_HASHMAP_H |
| |
| // Compiler Support Matrix |
| // |
| // Version Namespace Header File |
| // 2.95.x :: hash_map |
| // 3.0.4 std ext/hash_map |
| // 3.1 __gnu_cxx ext/hash_map |
| // |
| #if __GNUC__ == 3 |
| #include <ext/hash_map> |
| |
| #ifndef HASH_NAMESPACE |
| #if __GNUC_MINOR__ == 0 |
| #define HASH_NAMESPACE std |
| #else |
| #define HASH_NAMESPACE __gnu_cxx |
| #endif |
| #endif |
| |
| #else |
| |
| #include <hash_map> |
| #ifndef HASH_NAMESPACE |
| #define HASH_NAMESPACE std |
| #endif |
| #endif |
| |
| using HASH_NAMESPACE::hash_map; |
| using HASH_NAMESPACE::hash; |
| |
| #endif |