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56 lines
2.1 KiB
56 lines
2.1 KiB
/*
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* Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
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*
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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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*
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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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*
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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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#ifndef STDEXT_COMPILER_H
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#define STDEXT_COMPILER_H
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#ifdef __clang__
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// clang is supported
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#elif defined(__GNUC__)
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#if !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
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#error "Sorry, you need gcc 4.6 or greater to compile."
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#endif
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#else
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#error "Compiler not supported."
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#endif
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/// Branch Prediction. See the GCC Manual for more information.
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/// NB: These are used when speed is need most; do not use in normal
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/// code, they may slow down stuff.
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#if defined(__clang__) || defined(__GNUC__)
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#else
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#define likely(x) (x)
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#define unlikely(x) (x)
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#endif
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#if !defined(__GXX_EXPERIMENTAL_CXX0X__)
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#error "C++0x is required to compile this application. Try updating your compiler."
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#endif
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#ifdef _MSC_VER
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#warning "MSVC lacks some C++11 features used in this application; compilation is most likely to fail."
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#endif
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#endif
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