CMAKE_C_KNOWN_FEATURES

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.

The features known to this version of CMake are:

c_function_prototypes

Function prototypes, as defined in ISO/IEC 9899:1990.

c_restrict

restrict keyword, as defined in ISO/IEC 9899:1999.

c_static_assert

Static assert, as defined in ISO/IEC 9899:2011.

c_variadic_macros

Variadic macros, as defined in ISO/IEC 9899:1999.