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49 lines
1.7 KiB
CMake
49 lines
1.7 KiB
CMake
include(Compiler/GNU)
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__compiler_gnu(C)
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5)
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set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90")
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set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu90")
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elseif (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
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set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c89")
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set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu89")
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endif()
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
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set(CMAKE_C99_STANDARD_COMPILE_OPTION "-std=c99")
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set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-std=gnu99")
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endif()
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7)
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set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c11")
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set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu11")
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elseif (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
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set(CMAKE_C11_STANDARD_COMPILE_OPTION "-std=c1x")
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set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu1x")
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endif()
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0)
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set(CMAKE_C_STANDARD_DEFAULT 11)
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elseif(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
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set(CMAKE_C_STANDARD_DEFAULT 90)
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endif()
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macro(cmake_record_c_compile_features)
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macro(_get_gcc_features std_version list)
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record_compiler_features(C "${std_version}" ${list})
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endmacro()
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set(_result 0)
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
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_get_gcc_features(${CMAKE_C11_STANDARD_COMPILE_OPTION} CMAKE_C11_COMPILE_FEATURES)
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endif()
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
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if (_result EQUAL 0)
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_get_gcc_features(${CMAKE_C99_STANDARD_COMPILE_OPTION} CMAKE_C99_COMPILE_FEATURES)
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endif()
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if (_result EQUAL 0)
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_get_gcc_features(${CMAKE_C90_STANDARD_COMPILE_OPTION} CMAKE_C90_COMPILE_FEATURES)
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endif()
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endif()
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endmacro()
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