| CMAKE_BUILD_PARALLEL_LEVEL | |
| -------------------------- | |
| .. include:: ENV_VAR.txt | |
| Specifies the maximum number of concurrent processes to use when building | |
| using the ``cmake --build`` command line | |
| :ref:`Build Tool Mode <Build Tool Mode>`. | |
| If this variable is defined empty the native build tool's default number is | |
| used. |