1set(_cmake_oldestSupported "_MSC_VER >= 1600") 2 3set(_cmake_feature_test_c_restrict "_MSC_VER >= 1927") 4set(_cmake_feature_test_c_static_assert "_MSC_VER >= 1928") 5 6set(_cmake_feature_test_c_variadic_macros "${_cmake_oldestSupported}") 7set(_cmake_feature_test_c_function_prototypes "${_cmake_oldestSupported}") 8