1CMAKE_APPLE_SILICON_PROCESSOR 2----------------------------- 3 4.. versionadded:: 3.19.2 5 6.. include:: ENV_VAR.txt 7 8On Apple Silicon hosts running macOS, set this environment variable to tell 9CMake what architecture to use for :variable:`CMAKE_HOST_SYSTEM_PROCESSOR`. 10The value must be either ``arm64`` or ``x86_64``. 11 12The :variable:`CMAKE_APPLE_SILICON_PROCESSOR` normal variable, if set, 13overrides this environment variable. 14