Add TuxMake as an alternative backend for kernel builds #3037
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roxell
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At first glance, this is a wonderful PR - thank you for the excellent work. Staging tests show no breakage; however, we should enable at least one build in the pipeline using TuxMake to properly validate it. |
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Also linked: kernelci/kernelci-pipeline#1406 |
Add tuxmake kernel build tool to the kernelci Docker fragment. Pin to version 1.35.0 for reproducibility. Reviewed-by: Ben Copeland <ben.copeland@linaro.org> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Add a 'backend' parameter that defaults to 'make' for backward compatibility. Extract the make build logic from _generate_script() into a dedicated _build_with_make() method so different backends can have their own build implementations. Reviewed-by: Ben Copeland <ben.copeland@linaro.org> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
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Add tuxmake as an alternative build backend, enabled with the USE_TUXMAKE=1 environment variable. Refactor _parse_fragments() to return a list of fragment file paths instead of a count and update _merge_frags() to accept this list. Add _build_with_tuxmake() method with basic tuxmake invocation. Only call _merge_frags() for the make backend since tuxmake handles fragments via --kconfig-add, added in the next commit. Reviewed-by: Ben Copeland <ben.copeland@linaro.org> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
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Switch to tuxmake's native --kconfig-add parameter for applying configuration fragments instead of manually merging them. Add --output-dir to specify where tuxmake places build artifacts. Build the dtbs target for architectures that support it. Handle multiple defconfigs by passing the first to --kconfig and the rest as --kconfig-add. Handle ChromeOS defconfig by pre-creating the .config file. Reviewed-by: Ben Copeland <ben.copeland@linaro.org> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Add dtbs_check target support for the tuxmake backend. When dtbs_check is requested, run only the dtbs_check target instead of the normal kernel, modules and dtbs targets. Also skip firmware fetch for dtbs_check builds since it is not needed. Reviewed-by: Ben Copeland <ben.copeland@linaro.org> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
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TuxMake is a thin wrapper around the kernel build system that provides
consistent toolchain handling and build configuration. This series introduces a
backend selection mechanism and implements full TuxMake support including
configuration fragments, firmware handling, and dtbs_check builds.