llvm-6502/include/Support/hash_map
Chris Lattner 2440db2cb4 Add support for GCC 3.0.4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3080 91177308-0d34-0410-b5e6-96231b3b80d8
2002-07-25 15:23:20 +00:00

43 lines
989 B
C++

//===-- 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