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searxng/docs/admin/buildhosts.rst
Markus Heiser 80f7b65804 searx.sh: add buildhost cmd, installs OS packages for builds 
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
2020-03-09 01:37:26 +01:00

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Buildhosts

To get best results from build, its recommend to install additional packages on build hosts.

This article needs some work

If you have any contribution send us your PR <../pulls>, see how to contribute.

Contents

Build docs

Sphinx build needs

Most of the sphinx requirements are installed from setup.py and the docs can be build from scratch with make docs. For better math and image processing additional packages are needed. The XeTeX needed not only for PDF creation, its also needed for math when HTML output is build.

To be able to do sphinx:math-support without CDNs, the math are rendered as images (sphinx.ext.imgmath extension).

Here is the extract from the docs/conf.py file, setting math renderer to imgmath:

../conf.py

If your docs build (make docs) shows warnings like this:

WARNING: dot(1) not found, for better output quality install \
         graphviz from http://www.graphviz.org
..
WARNING: LaTeX command 'latex' cannot be run (needed for math \
         display), check the imgmath_latex setting

you need to install additional packages on your build host, to get better HTML output.

Ubuntu / debian

$ sudo apt install graphviz imagemagick texlive-xetex librsvg2-bin

Arch Linux

$ sudo pacman -S graphviz imagemagick texlive-bin extra/librsvg

Fedora / RHEL

$ sudo dnf install graphviz graphviz-gd texlive-xetex-bin librsvg2-tools

For PDF output you also need:

Ubuntu / debian

$ sudo apt texlive-latex-recommended texlive-extra-utils ttf-dejavu

Arch Linux

$ sudo pacman -S texlive-core texlive-latexextra ttf-dejavu

Fedora / RHEL

$ sudo dnf install \
   texlive-collection-fontsrecommended texlive-collection-latex \
dejavu-sans-fonts dejavu-serif-fonts dejavu-sans-mono-fonts \
ImageMagick

Lint shell scripts

To lint shell scripts, we use ShellCheck - A shell script static analysis tool.

Ubuntu / debian

$ sudo apt install shellcheck

Arch Linux

$ sudo pacman -S shellcheck

Fedora / RHEL

$ sudo dnf install ShellCheck