Path: blob/master/Help/envvar/CMAKE_BUILD_PARALLEL_LEVEL.rst
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CMAKE_BUILD_PARALLEL_LEVEL -------------------------- .. versionadded:: 3.12 .. include:: include/ENV_VAR.rst Specifies the maximum number of concurrent processes to use when building using the ``cmake --build`` command line :ref:`Build Tool Mode <Build Tool Mode>`. For example, if ``CMAKE_BUILD_PARALLEL_LEVEL`` is set to 8, the underlying build tool will execute up to 8 jobs concurrently as if ``cmake --build`` were invoked with the :option:`--parallel 8 <cmake--build --parallel>` option. If this variable is defined empty the native build tool's default number is used.