CMake Error at lib/cfl/lib/xxhash/cmake_unofficial/CMakeLists.txt:8 (cmake_minimum_required):
Compatibility with CMake < 3.5 has been removed from CMake.
Update the VERSION argument <min> value. Or, use the <min>...<max> syntax
to tell CMake that the project requires at least <min> but has been updated
to work with policies introduced by <max> or earlier.
Or, add -DCMAKE_POLICY_VERSION_MINIMUM=3.5 to try configuring anyway.
Visual Studio 2019 のコンパイラ環境で正しく認識・定義されていないことにある
cmake_minimum_requiredのバージョンが低いため、cmakeが通らない。cmake時に下記メッセージが出る