cmake: add /Zc:preprocessor to handle new OptTable macros
See: https://github.com/llvm/llvm-project/commit/12d8e7c6ade55bba241259312e3e4bdcf6aeab81
See: https://github.com/llvm/llvm-project/commit/3f092f37b7362447cbb13f5502dae4bdd5762afd
cmake: set MSVC_RUNTIME_LIBRARY for zigcpp
710d745a54kcbanner committed on 5/24/2024, 2:58:05 PM· committed by Andrew Kelleyparentfb88cfd