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CMake/Help/release/dev/ExternalProject-build-jobserver.rst
Chris Mahoney bc43398e72 ExternalProject: Enable Make Job Server with Explicit Build Command
Introduces `BUILD_JOB_SERVER_AWARE` option to `ExternalProject_Add` and
`JOB_SERVER_AWARE` to `ExternalProject_Add_Step`. When using an explicit
`BUILD_COMMAND` or `COMMAND`, the generated commands won't use `$(MAKE)`
thus failing to connect to the outer make's job server. These new
options enable explicit job server integration.

Co-authored-by: Brad King <brad.king@kitware.com>

Fixes: #16273
2023-08-15 12:21:30 +00:00

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ExternalProject-build-jobserver
-------------------------------
* The :module:`ExternalProject` module now includes the
``BUILD_JOB_SERVER_AWARE`` option for the
:command:`ExternalProject_Add` command. This option enables
the integration of the GNU Make job server when using an
explicit ``BUILD_COMMAND`` with certain :ref:`Makefile Generators`.
Additionally, the :command:`ExternalProject_Add_Step` command
has been updated to support the new ``JOB_SERVER_AWARE`` option.