CMake/Source/cm_unordered_set.hxx
Daniel Pfeifer c15dc19728 Introduce CM_UNORDERED_SET
Avoid duplicating switch among std::unordered_set, cmsys::hash_set, and
std::set.
2016-10-24 22:34:52 +02:00

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C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef CM_UNORDERED_SET_HXX
#define CM_UNORDERED_SET_HXX
#include <cmConfigure.h>
#if defined(CMake_HAVE_CXX_UNORDERED_SET)
#include <unordered_set>
#define CM_UNORDERED_SET std::unordered_set
#elif defined(CMAKE_BUILD_WITH_CMAKE)
#include <cmsys/hash_set.hxx>
#define CM_UNORDERED_SET cmsys::hash_set
#else
#include <set>
#define CM_UNORDERED_SET std::set
#endif
#endif