mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
b60fe7791e
* Define HASH_NAMESPACE to `std' in the case of pre-3.0 GCC compilers * Add comments to clarify the intent of all the #ifdef madness * Add VIM directive to highlight files as C++ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7903 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
//===-- Support/hash_map - "Portable" wrapper around hash_map ---*- C++ -*-===//
|
|
// vim:ft=cpp
|
|
//
|
|
// 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_HASH_MAP
|
|
#define SUPPORT_HASH_MAP
|
|
|
|
// 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
|
|
//
|
|
|
|
#include "Config/config.h"
|
|
|
|
#ifdef HAVE_GNU_EXT_HASH_MAP
|
|
// This is for GCC-3.1+ which puts hash in ext/hash_map
|
|
#include <ext/hash_map>
|
|
#define HASH_NAMESPACE __gnu_cxx
|
|
|
|
#else
|
|
|
|
// This is for GCC-3.0.x which puts hashmap in the `ext' directory.
|
|
#ifdef HAVE_STD_EXT_HASH_MAP
|
|
#include <ext/hash_map>
|
|
#define HASH_NAMESPACE std
|
|
|
|
#else
|
|
// This handles older, pre-3.0 GCC which do not have the extentions in the `ext'
|
|
// directory, and ignore the `std' namespace.
|
|
#include <hash_map>
|
|
#define HASH_NAMESPACE std
|
|
#endif
|
|
|
|
#endif
|
|
|
|
using HASH_NAMESPACE::hash_map;
|
|
using HASH_NAMESPACE::hash_multimap;
|
|
using HASH_NAMESPACE::hash;
|
|
|
|
// Include vector because ext/hash_map includes stl_vector.h and leaves
|
|
// out specializations like stl_bvector.h, causing link conflicts.
|
|
#include <vector>
|
|
|
|
#include <Support/HashExtras.h>
|
|
|
|
#endif
|