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Diffstat (limited to 'share/cmake-3.22/Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst')
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diff --git a/share/cmake-3.22/Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst b/share/cmake-3.22/Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst new file mode 100644 index 0000000..c305779 --- /dev/null +++ b/share/cmake-3.22/Help/variable/CMAKE_HOST_SYSTEM_PROCESSOR.rst @@ -0,0 +1,42 @@ +CMAKE_HOST_SYSTEM_PROCESSOR +--------------------------- + +The name of the CPU CMake is running on. + +Windows Platforms +^^^^^^^^^^^^^^^^^ + +On Windows, this variable is set to the value of the environment variable +``PROCESSOR_ARCHITECTURE``. + +Unix Platforms +^^^^^^^^^^^^^^ + +On systems that support ``uname``, this variable is set to the output of: + +- ``uname -m`` on GNU, Linux, Cygwin, Android, or +- ``arch`` on OpenBSD, or +- on other systems, + + * ``uname -p`` if its exit code is nonzero, or + * ``uname -m`` otherwise. + +macOS Platforms +^^^^^^^^^^^^^^^ + +The value of ``uname -m`` is used by default. + +On Apple Silicon hosts, the architecture printed by ``uname -m`` may vary +based on CMake's own architecture and that of the invoking process tree. + +.. versionadded:: 3.19.2 + + On Apple Silicon hosts: + + * The :variable:`CMAKE_APPLE_SILICON_PROCESSOR` variable or + the :envvar:`CMAKE_APPLE_SILICON_PROCESSOR` environment variable + may be set to specify the host architecture explicitly. + + * If :variable:`CMAKE_OSX_ARCHITECTURES` is not set, CMake adds explicit + flags to tell the compiler to build for the host architecture so the + toolchain does not have to guess based on the process tree's architecture. |