On Mon, 27 May 2019 08:07:40 -0300
Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> wrote:
> Since Sphinx version 1.7, it is possible to use "-jauto" in
> order to speedup documentation builds. On older versions,
> while -j was already supported, one would need to set the
> number of threads manually.
>
> So, if SPHINXOPTS is not provided, add -jauto, in order to
> speed up the build. That makes it *a lot* times faster than
> without -j.
>
> If one really wants to slow things down, it can just use:
>
> make SPHINXOPTS=-j1 htmldocs
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
> ---
> Documentation/Makefile | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/Makefile b/Documentation/Makefile
> index 380e24053d6f..794233d05789 100644
> --- a/Documentation/Makefile
> +++ b/Documentation/Makefile
> @@ -28,6 +28,8 @@ ifeq ($(HAVE_SPHINX),0)
>
> else # HAVE_SPHINX
>
> +SPHINXOPTS = $(shell perl -e 'open IN,"sphinx-build --version |"; while (<IN>) { if (m/([\d\.]+)/) { print "-jauto" if ($$1 >= "1.7") } ;} close IN')
> +
So this totally fails to work for me with any version of sphinx, and I'm
not enough of a Perl person to figure it out. Sometimes I'll see the
sphinx-build output, i.e.:
sphinx-build 1.8.4
and sometimes (like with 2.0) I don't, but I never get -jauto regardless.
Not sure what's going on here?
Thanks,
jon
