bradking wrote: I suggest ```cmake if(CMAKE_HOST_WIN32 AND CMAKE_VERSION VERSION_LESS 3.30) # Avoid CMP0116 depfile parsing bug on Windows paths: # https://gitlab.kitware.com/cmake/cmake/-/issues/25943 cmake_policy(SET CMP0116 OLD) endif() ``` https://github.com/llvm/llvm-project/pull/90385