docs/doc-guide: Mention make variable SPHINXDIRS

SPHINXDIRS is useful when you want to test build only those
documents affected by your changes.

Mention it in the "Sphinx Build" section.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Cc: Maciej W. Rozycki <macro@orcam.me.uk>
Link: https://lore.kernel.org/r/50d6f0bc-030d-9529-0665-e2b3e7c792d8@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Akira Yokosawa 2022-06-25 06:58:09 +09:00 committed by Jonathan Corbet
parent 2bc6430884
commit 4d627ef12b
1 changed files with 7 additions and 0 deletions

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@ -151,6 +151,13 @@ If the theme is not available, it will fall-back to the classic one.
The Sphinx theme can be overridden by using the ``DOCS_THEME`` make variable.
There is another make variable ``SPHINXDIRS``, which is useful when test
building a subset of documentation. For example, you can build documents
under ``Documentation/doc-guide`` by running
``make SPHINXDIRS=doc-guide htmldocs``.
The documentation section of ``make help`` will show you the list of
subdirectories you can specify.
To remove the generated documentation, run ``make cleandocs``.
.. [#ink] Having ``inkscape(1)`` from Inkscape (https://inkscape.org)