1CMAKE_APPLE_SILICON_PROCESSOR 2----------------------------- 3 4.. versionadded:: 3.19.2 5 6On Apple Silicon hosts running macOS, set this variable to tell 7CMake what architecture to use for :variable:`CMAKE_HOST_SYSTEM_PROCESSOR`. 8The value must be either ``arm64`` or ``x86_64``. 9 10The value of this variable should never be modified by project code. 11It is meant to be set as a cache entry provided by the user, 12e.g. via ``-DCMAKE_APPLE_SILICON_PROCESSOR=...``. 13 14See also the :envvar:`CMAKE_APPLE_SILICON_PROCESSOR` environment variable. 15