linux-kernel - Re: [PATCH] scripts/sphinx-pre-install: add minimum support for RHEL

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Date:   Tue, 8 Aug 2017 05:55:14 -0300
From:   Mauro Carvalho Chehab <mchehab@...pensource.com>
To:     Jonathan Corbet <corbet@....net>
Cc:     Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...radead.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scripts/sphinx-pre-install: add minimum support for
 RHEL

Em Mon, 7 Aug 2017 14:27:33 -0600
Jonathan Corbet <corbet@....net> escreveu:

> On Mon, 24 Jul 2017 09:09:24 -0300
> Mauro Carvalho Chehab <mchehab@...pensource.com> wrote:
> 
> > RHEL 7.x and clone distros are shipped with Sphinx 1.1.x,
> > with is incompatible with Kernel ReST markups.
> > 
> > So, on those systems, the only alternative is to install
> > it via a Python virtual environment.
> > 
> > While seeking for "pip" on CentOS 7.3, I noticed that it
> > is not really needed, as python-virtualenv has its version
> > packaged there already. So, remove this from the list of
> > requirements for all distributions.
> > 
> > With regards to PDF, twe need at least texlive-tabulary
> > extension, but that is not shipped there (at least on
> > CentOS). So, disable PDF packages as a hole.
> > 
> > Please notice, however, that texlive + amsmath is needed for
> > ReST to properly handle ReST ".. math::" tags. Yet, Sphinx
> > fall back to display the LaTeX math expressions as-is, if
> > such extension is not available.
> > 
> > So, let's just disable all texlive packages as a hole.  
> 
> I've applied this, finally.  Couldn't resist the temptation to fix "as a
> whole" while I was at it :)

Thanks for applying - and for fixing the "whole" typo ;)

Yeah, RHEL/CentOS was likely the big missing gap at the script. With time,
people may end adding other distros there too. As most distros either
use .deb or .rpm packaging[1], I suspect it shouldn't be hard to add support
for them when needed, as they'll end by either use the existing logic,
or require a close enough logic.

[1] Well, last time I checked, Slackware still use tarballs. Slackware
was the first distro I used, back on Kernel 1.0 days. If I ever become 
nostalgic enough, I might eventually write a patch for it some day.

Thanks,
Mauro