List of C features known to this version of CMake.
The features listed in this global property may be known to be available to the C compiler. If the feature is available with the C compiler, it will be listed in the CMAKE_C_COMPILE_FEATURES variable.
The features listed here may be used with the target_compile_features() command. See the cmake-compile-features(7) manual for information on compile features and a list of supported compilers.
The features known to this version of CMake are: