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2017-09-08docs-rst: don't require adjustbox anymoreMauro Carvalho Chehab1-1/+0
Only the media PDF book was requiring adjustbox, in order to scale big tables. That worked pretty good with Sphinx versions 1.4 and 1.5, but Spinx 1.6 changed the way tables are produced, by introducing some weird macros before tabulary. That causes adjustbox to fail. So, it can't be used anymore, and its usage was removed from the media book. So, let's remove it from conf.py and sphinx-pre-install. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-08-07scripts/sphinx-pre-install: add minimum support for RHELMauro Carvalho Chehab1-12/+42
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, we need at least texlive-tabulary extension, but that is not shipped there (at least on CentOS). So, disable PDF packages as a whole. 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 whole. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-24sphinx-pre-install: add support for MageiaMauro Carvalho Chehab1-1/+36
Add support for detecting and installing missing packages on Mageia. I opted to use "urpmi" at the install instructions, as this is present on Mageia since ever. Yet, if I were using Mageia 6, I would likely be using "dnf", as it is, IMHO, easier to use. Tested with Mageia 6. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-24sphinx-pre-install: fix USE needs for GraphViz and ImageMagickMauro Carvalho Chehab1-1/+6
Gentoo need some USE for GraphViz and ImageMagick to have the features required by kfigure.py. Output that when providing instructions for Gentoo. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-24sphinx-pre-install: add dependencies for ImageMagick to work with svgMauro Carvalho Chehab1-0/+6
ImageMagick actually uses librsvg for conversions when converiting from SVG (actually, it uses rsvg-convert). That causes the build to fail with: WARNING: Error #1 when calling: /usr/bin/convert /home/mchehab/docs/Documentation/media/uapi/v4l/selection.svg /home/mchehab/docs/Documentation/output/latex/selection.pdf convert: delegate failed `'rsvg-convert' -o '%o' '%i'' @ error/delegate.c/InvokeDelegate/1919. convert: unable to open file `/tmp/magick-8883oOQfHzrA5trM': No such file or directory @ error/constitute.c/ReadImage/544. Add the corresponding dependencies. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-24sphinx-pre-install: check for the need of graphviz-gdMauro Carvalho Chehab1-0/+9
On newer versions of graphviz packaging on Fedora, it is needed to install a separate package for PDF support. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-24sphinx-pre-install: use a requirements fileMauro Carvalho Chehab1-3/+2
Instead of using 3 commands to install a virtualenv, use a single one, reading the requirements from this file: Documentation/sphinx/requirements.txt Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-24sphinx-pre-install: detect an existing virtualenvMauro Carvalho Chehab1-10/+18
Detect if the script runs after creating the virtualenv, printing the command line commands to enable the virtualenv. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-07-24scripts/sphinx-pre-install: add a script to check Sphinx installMauro Carvalho Chehab1-0/+517
Solving Sphinx dependencies can be painful. Add a script to check if everything is ok. Tested on: - Fedora 25 and 26; - Ubuntu 17.04; - OpenSuse Tumbleweed; - Arch Linux; - Gentoo. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>