llvm-6502/include/Support/hash_set

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