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enable_language(CXX)
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if (NOT ";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";gnu_cxx_typeof;"
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AND NOT ";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";msvc_cxx_sealed;" )
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# Simulate passing the test.
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message(SEND_ERROR
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"The compiler feature \"gnu_cxx_dummy\" is not known to CXX compiler\n\"GNU\"\nversion 4.8.1."
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)
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return()
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endif()
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if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";gnu_cxx_typeof;")
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set(feature msvc_cxx_sealed)
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if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";msvc_cxx_sealed;")
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# If a compiler supports both extensions, remove one of them.
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list(REMOVE_ITEM CMAKE_CXX_COMPILE_FEATURES msvc_cxx_sealed)
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endif()
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else()
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set(feature gnu_cxx_typeof)
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endif()
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add_executable(main empty.cpp)
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target_compile_features(main
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PRIVATE
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${feature}
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)
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