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Doc: document generate-makefile.ci #19239

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Feb 3, 2023
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Doc: document generate-makefile.ci #19239

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14 changes: 14 additions & 0 deletions doc/doxygen/src/advanced-build-system-tricks.md
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Expand Up @@ -72,3 +72,17 @@ To do a repository wide analysis, you can use the script
`dist/tools/buildsystem_sanity_check/save_all_dependencies_resolution_variables.sh`
that will generate the output for all boards and applications.
It currently take around 2 hours on an 8 cores machine with ssd.

Generate Makefile.ci content {#generate-makefileci}
============================

Most applications and tests include a `Makefile.ci` to indicate which boards can
not compile the application or test. The content for these files can be
generated via the script in
~~~~~~~~~~~~~~~~~~~
make -C $APPLICATION_DIRECTORY generate-Makefile.ci
~~~~~~~~~~~~~~~~~~~
This will compile and link the application for every board available and record
the result in the Makefile.ci. This requires the toolchain for every target to
be available. The target supports using docker via the `BUILD_IN_DOCKER=1`
variable.