On Thu, 09 Jun 2022 09:26:17 -0600, Jonathan Corbet wrote: > Akira Yokosawa <akiyks@xxxxxxxxx> writes: [...] >> --- a/Documentation/doc-guide/sphinx.rst >> +++ b/Documentation/doc-guide/sphinx.rst >> @@ -151,6 +151,10 @@ 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. Again, see the documentation section >> +of ``make help`` for the details. > > This should definitely be documented, it's kind of sad that we never did > that. Rather than redirect readers to type a "make" command, though, > why not just tell them how to use it here? Good point. I have updated the hunk as follows: +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. Thoughts? Thanks, Akira > > Thanks, > > jon