| CMAKE_APPLE_SILICON_PROCESSOR |
| ----------------------------- |
| |
| .. versionadded:: 3.19.2 |
| |
| On Apple Silicon hosts running macOS, set this variable to tell |
| CMake what architecture to use for :variable:`CMAKE_HOST_SYSTEM_PROCESSOR`. |
| The value must be either ``arm64`` or ``x86_64``. |
| |
| The value of this variable should never be modified by project code. |
| It is meant to be set as a cache entry provided by the user, |
| e.g. via ``-DCMAKE_APPLE_SILICON_PROCESSOR=...``. |
| |
| See also the :envvar:`CMAKE_APPLE_SILICON_PROCESSOR` environment variable. |
