Clang not supported on OSX with cmake build

[JDonMc]

cmake -G Xcode .. CMake Error at CMakeLists.txt:20 (message): Clang not supported

As well as:

cmake .. -- The C compiler identification is AppleClang 13.1.6.13160021 -- The CXX compiler identification is AppleClang 13.1.6.13160021 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /Library/Developer/CommandLineTools/usr/bin/cc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: /Library/Developer/CommandLineTools/usr/bin/c++ - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done CMake Error at CMakeLists.txt:20 (message): Clang not supported

Running on an M1, so it will take apparently 2 years since release until Clang is compatible, because they only update every 2 years and released a few months before the M1