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| -rw-r--r-- | lib/spack/docs/packaging_guide.rst | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/spack/docs/packaging_guide.rst b/lib/spack/docs/packaging_guide.rst index 46ab71b93f..ed61bdf81b 100644 --- a/lib/spack/docs/packaging_guide.rst +++ b/lib/spack/docs/packaging_guide.rst @@ -2344,6 +2344,27 @@ you set ``parallel`` to ``False`` at the package level, then each call to ``make()`` will be sequential by default, but packagers can call ``make(parallel=True)`` to override it. +Note that the `--jobs` option works out of the box for all standard +build systems. If you are using a non-standard build system instead, you +can use the variable `make_jobs` to extract the number of jobs specified +by the `--jobs` option: + +.. code-block:: python + :emphasize-lines: 7, 11 + :linenos: + + class Xios(Package): + ... + def install(self, spec, prefix): + ... + options = [ + ... + '--jobs', str(make_jobs), + ] + ... + make_xios = Executable("./make_xios") + make_xios(*options) + ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Install-level build parallelism ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |