agunashe
01240ce9ce
Change-Id: I331c6c2525a65746e2d0799ec8dc2f608af1176a
[ROCm/hip-tests commit: 3ccd6ec300]
89 satır
3.3 KiB
C++
89 satır
3.3 KiB
C++
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/*
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Copyright (c) 2021 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#pragma once
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// We haven't checked which filesystem to include yet
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#ifndef INCLUDE_STD_FILESYSTEM_EXPERIMENTAL
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// Check for feature test macro for <filesystem>
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#if defined(__cpp_lib_filesystem)
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#define INCLUDE_STD_FILESYSTEM_EXPERIMENTAL 0
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// Check for feature test macro for <experimental/filesystem>
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#elif defined(__cpp_lib_experimental_filesystem)
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#define INCLUDE_STD_FILESYSTEM_EXPERIMENTAL 1
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// We can't check if headers exist...
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// Let's assume experimental to be safe
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#elif !defined(__has_include)
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#define INCLUDE_STD_FILESYSTEM_EXPERIMENTAL 1
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// Check if the header "<filesystem>" exists
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#elif __has_include(<filesystem>)
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// If we're compiling on Visual Studio and are not compiling with C++17,
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// we need to use experimental
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#ifdef _MSC_VER
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// Check and include header that defines "_HAS_CXX17"
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#if __has_include(<yvals_core.h>)
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#include <yvals_core.h>
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// Check for enabled C++17 support
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#if defined(_HAS_CXX17) && _HAS_CXX17
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// We're using C++17, so let's use the normal version
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#define INCLUDE_STD_FILESYSTEM_EXPERIMENTAL 0
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#endif
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#endif
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// If the marco isn't defined yet, that means any of the other
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// VS specific checks failed, so we need to use experimental
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#ifndef INCLUDE_STD_FILESYSTEM_EXPERIMENTAL
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#define INCLUDE_STD_FILESYSTEM_EXPERIMENTAL 1
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#endif
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// Not on Visual Studio. Let's use the normal version
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#else // #ifdef _MSC_VER
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#define INCLUDE_STD_FILESYSTEM_EXPERIMENTAL 0
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#endif
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// Check if the header "<filesystem>" exists
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#elif __has_include(<experimental/filesystem>)
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#define INCLUDE_STD_FILESYSTEM_EXPERIMENTAL 1
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// Fail if neither header is available with a nice error message
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#else
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#error Could not find system header "<filesystem>" ||
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"<experimental/filesystem>"
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#endif
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// We priously determined that we need the exprimental version
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#if INCLUDE_STD_FILESYSTEM_EXPERIMENTAL
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// Include it
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#define _SILENCE_EXPERIMENTAL_FILESYSTEM_DEPRECATION_WARNING 1;
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#include <experimental/filesystem>
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// We need the alias from std::experimental::filesystem to std::filesystem
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namespace fs = std::experimental::filesystem;
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// We have a decent compiler and can use the normal version
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#else
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// Include it
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#include <filesystem>
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namespace fs = std::filesystem;
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#endif
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#endif // #ifndef INCLUDE_STD_FILESYSTEM_EXPERIMENTAL
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