https://github.com/Kitware/CMake
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Tip revision: 18b02cc127730e3b007c2b56c6e115d476f0d5e0 authored by Brad King on 23 March 2022, 14:11:55 UTC
CMake 3.23.0-rc5
Tip revision: 18b02cc
Clang-C-FeatureTests.cmake

set(_cmake_oldestSupported "((__clang_major__ * 100) + __clang_minor__) >= 304")

set(Clang_C11 "${_cmake_oldestSupported} && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L")
set(_cmake_feature_test_c_static_assert "${Clang_C11}")
set(Clang_C99 "${_cmake_oldestSupported} && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L")
set(_cmake_feature_test_c_restrict "${Clang_C99}")
set(_cmake_feature_test_c_variadic_macros "${Clang_C99}")

set(Clang_C90 "${_cmake_oldestSupported}")
set(_cmake_feature_test_c_function_prototypes "${Clang_C90}")
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