2021-07-25 09:55:31 +00:00
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include(Compiler/GNU)
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__compiler_gnu(C)
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if((NOT DEFINED CMAKE_DEPENDS_USE_COMPILER OR CMAKE_DEPENDS_USE_COMPILER)
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AND CMAKE_GENERATOR MATCHES "Makefiles|WMake"
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AND CMAKE_DEPFILE_FLAGS_C)
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# dependencies are computed by the compiler itself
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set(CMAKE_C_DEPFILE_FORMAT gcc)
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set(CMAKE_C_DEPENDS_USE_COMPILER TRUE)
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endif()
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set(CMAKE_C_COMPILE_OPTIONS_EXPLICIT_LANGUAGE -x 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 3.4)
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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 3.4)
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set(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT ON)
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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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set(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT ON)
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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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set(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT ON)
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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(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 8.1)
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set(CMAKE_C17_STANDARD_COMPILE_OPTION "-std=c17")
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set(CMAKE_C17_EXTENSION_COMPILE_OPTION "-std=gnu17")
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endif()
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if(CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 9.1)
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2021-07-31 09:12:25 +00:00
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set(CMAKE_C23_STANDARD_COMPILE_OPTION "-std=c2x")
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set(CMAKE_C23_EXTENSION_COMPILE_OPTION "-std=gnu2x")
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2021-07-25 09:55:31 +00:00
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endif()
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__compiler_check_default_language_standard(C 3.4 90 5.0 11 8.1 17)
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