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include(Compiler/GNU)
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__compiler_gnu(CXX)
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if (WIN32)
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6)
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set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fno-keep-inline-dllexport")
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endif()
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else()
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.2)
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set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
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endif()
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endif()
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
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# Supported since 4.3
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set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "-std=c++98")
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set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
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endif()
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
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set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++11")
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set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
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elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
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# 4.3 supports 0x variants
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set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "-std=c++0x")
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set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-std=gnu++0x")
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endif()
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
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set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++14")
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set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
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elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
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set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
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set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
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endif()
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if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
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set(CMAKE_CXX_STANDARD_DEFAULT 98)
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endif()
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macro(cmake_record_cxx_compile_features)
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macro(_get_gcc_features std_version list)
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record_compiler_features(CXX "${std_version}" ${list})
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endmacro()
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set(_result 0)
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
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_get_gcc_features(${CMAKE_CXX14_STANDARD_COMPILE_OPTION} CMAKE_CXX14_COMPILE_FEATURES)
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endif()
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4)
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if (_result EQUAL 0)
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|
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_get_gcc_features(${CMAKE_CXX11_STANDARD_COMPILE_OPTION} CMAKE_CXX11_COMPILE_FEATURES)
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endif()
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if (_result EQUAL 0)
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_get_gcc_features(${CMAKE_CXX98_STANDARD_COMPILE_OPTION} CMAKE_CXX98_COMPILE_FEATURES)
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endif()
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endif()
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endmacro()
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