Add TuxMake as an alternative backend for kernel builds #3037
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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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Add tuxmake kernel build tool to the kernelci Docker fragment to enable kernel building with tuxmake. Pin to version 1.34.0 for reproducibility. Reviewed-by: Ben Copeland <ben.copeland@linaro.org> Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
The kbuild system only supported make-based kernel builds. To enable alternative build systems, we needed a way to select different backends while keeping the existing code working. Added a 'backend' parameter that defaults to 'make' for compatibility. Extracted 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>
KernelCI needed to support tuxmake, a thin wrapper around the kernel build system that provides consistent toolchain handling and build configuration. Add USE_TUXMAKE=1 environment variable for backward compatibility. 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 make backend since tuxmake handles fragments differently via --kconfig-add, which is added in the next commit. Reviewed-by: Ben Copeland <ben.copeland@linaro.org Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Switch to using TuxMake's native --kconfig-add parameter for applying configuration fragments instead of manually merging them. Use --kconfig-add for fragment support and add --output-dir to specify where tuxmake should place build artifacts. Build the dtbs target for architectures that support it. Call _fetch_firmware() for builds that need firmware. Raise an error on multiple defconfigs since tuxmake only supports one. Handle ChromeOS defconfig specially 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 support to the TuxMake backend. When dtbs_check parameter is True, the backend now runs ONLY the dtbs_check target, matching the behavior of the make backend. Reviewed-by: Ben Copeland <ben.copeland@linaro.org Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
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Also linked: kernelci/kernelci-pipeline#1406 |
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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.