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32 lines
1.2 KiB
32 lines
1.2 KiB
9 years ago
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/*
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* Copyright (c) 2016 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#pragma once
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// TODO set it in configure script instead
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// This is hacky attempt to follow what folly does
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// https://github.com/facebook/folly/blob/b1eb6819f3ffe6b645f39d505ca8ace3116b7873/folly/configure.ac#L232
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#if !defined(INFER_USE_LIBCPP) && defined(__APPLE__)
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#define INFER_USE_LIBCPP 1
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#elif defined(FOLLY_USE_LIBCPP)
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#define INFER_USE_LIBCPP 1
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#endif
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// Follow what folly does - gnu libstdc++ implementation is different from
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// llvm's libc++. This way folly can forward declare decls from std library
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// even when they are infer models
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// https://github.com/facebook/folly/blob/b1eb6819f3ffe6b645f39d505ca8ace3116b7873/folly/Portability.h#L253-L255
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#if INFER_USE_LIBCPP
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#include <__config>
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#define INFER_NAMESPACE_STD_BEGIN _LIBCPP_BEGIN_NAMESPACE_STD
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#define INFER_NAMESPACE_STD_END _LIBCPP_END_NAMESPACE_STD
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#else
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#define INFER_NAMESPACE_STD_BEGIN namespace std {
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#define INFER_NAMESPACE_STD_END }
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#endif
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