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9e66397c28
Add entries in Modules and Modules/Platform to support Objective-C++ compiler determination and identification. Add Modules to check Objective-C++ compiler flags, source compilations, program checks, etc... Use OBJCXX as the designator of the language, eg: project(foo OBJCXX) Add various tests for Objective-C++ language features. Add tests to preserve C++ handling of .M and .mm files when Objective-C++ is not a configured language. Co-authored-by: Cristian Adam <cristian.adam@gmail.com>
38 lines
1.5 KiB
CMake
38 lines
1.5 KiB
CMake
include(Compiler/Clang-OBJCXX)
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if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 4.0)
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set(CMAKE_OBJCXX98_STANDARD_COMPILE_OPTION "-std=c++98")
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set(CMAKE_OBJCXX98_EXTENSION_COMPILE_OPTION "-std=gnu++98")
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set(CMAKE_OBJCXX98_STANDARD__HAS_FULL_SUPPORT ON)
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set(CMAKE_OBJCXX11_STANDARD_COMPILE_OPTION "-std=c++11")
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set(CMAKE_OBJCXX11_EXTENSION_COMPILE_OPTION "-std=gnu++11")
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endif()
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if(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 6.1)
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set(CMAKE_OBJCXX14_STANDARD_COMPILE_OPTION "-std=c++14")
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set(CMAKE_OBJCXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
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set(CMAKE_OBJCXX14_STANDARD__HAS_FULL_SUPPORT ON)
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elseif(NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 5.1)
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# AppleClang 5.0 knows this flag, but does not set a __cplusplus macro greater than 201103L
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set(CMAKE_OBJCXX14_STANDARD_COMPILE_OPTION "-std=c++1y")
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set(CMAKE_OBJCXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
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set(CMAKE_OBJCXX14_STANDARD__HAS_FULL_SUPPORT ON)
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endif()
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if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 6.1)
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set(CMAKE_OBJCXX17_STANDARD_COMPILE_OPTION "-std=c++1z")
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set(CMAKE_OBJCXX17_EXTENSION_COMPILE_OPTION "-std=gnu++1z")
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endif()
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if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 8.0)
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set(CMAKE_OBJCXX11_STANDARD__HAS_FULL_SUPPORT ON)
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endif()
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if (NOT CMAKE_OBJCXX_COMPILER_VERSION VERSION_LESS 10.0)
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set(CMAKE_OBJCXX20_STANDARD_COMPILE_OPTION "-std=c++2a")
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set(CMAKE_OBJCXX20_EXTENSION_COMPILE_OPTION "-std=gnu++2a")
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endif()
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__compiler_check_default_language_standard(OBJCXX 4.0 98)
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