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searxng/docs/admin/buildhosts.rst
Markus Heiser 64100db904 [doc] improve documentation of make targets and ./manage script 
BTW force modularization of the ./mange script into sub modules:

- utils/lib_sxng_data.sh
- utils/lib_sxng_node.sh
- utils/lib_sxng_static.sh
- utils/lib_sxng_test.sh
- utils/lib_sxng_themes.sh

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
2023-08-06 19:37:12 +02:00

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Buildhosts

To get best results from build, it's recommend to install additional packages on build hosts (see searxng.sh).

Build and Development tools

To Install tools used by build and development tasks in once:

SearXNG's development tools

$ sudo -H ./utils/searxng.sh install buildhost

This will install packages needed by SearXNG:

$DOCS_BUILD/includes/searxng.rst

and packages needed to build docuemtation and run tests:

$DOCS_BUILD/includes/searxng.rst

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.html. For better math and image processing additional packages are needed. The XeTeX needed not only for PDF creation, it's 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.html) shows warnings like this:

WARNING: dot(1) not found, for better output quality install \
         graphviz from https://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 (install buildhost <searxng.sh install buildhost>).

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 ImageMagick 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

Lint shell scripts

To lint shell scripts we use ShellCheck - a shell script static analysis tool (install buildhost <searxng.sh install buildhost>).

Ubuntu / debian

$ sudo apt install shellcheck

Arch Linux

$ sudo pacman -S shellcheck

Fedora / RHEL

$ sudo dnf install ShellCheck