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2024-09-07kbuild: add debug package to pacman PKGBUILDJose Fernandez1-1/+14
Add a new debug package to the PKGBUILD for the pacman-pkg target. The debug package includes the non-stripped vmlinux file with debug symbols for kernel debugging and profiling. The file is installed at /usr/src/debug/${pkgbase}, with a symbolic link at /usr/lib/modules/$(uname -r)/build/vmlinux. The debug package is built by default. Signed-off-by: Jose Fernandez <jose.fernandez@linux.dev> Reviewed-by: Peter Jung <ptr1337@cachyos.org> Acked-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-09-01kbuild: pacman-pkg: do not override objtreeMasahiro Yamada1-1/+3
objtree is defined and exported by the top-level Makefile. I prefer not to override it. There is no need to pass the absolute path of objtree. PKGBUILD can detect it by itself. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by:  Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Christian Heusel <christian@heusel.eu>
2024-09-01kbuild: pacman-pkg: move common commands to a separate functionMasahiro Yamada1-7/+10
All build and package functions share the following commands: export MAKEFLAGS="${KBUILD_MAKEFLAGS}" cd "${objtree}" Factor out the common code. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by:  Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Christian Heusel <christian@heusel.eu>
2024-09-01kbuild: control extra pacman packages with PACMAN_EXTRAPACKAGESJose Fernandez1-6/+12
Introduce the PACMAN_EXTRAPACKAGES variable in PKGBUILD to allow users to specify which additional packages are built by the pacman-pkg target. Previously, the api-headers package was always included, and the headers package was included only if CONFIG_MODULES=y. With this change, both headers and api-headers packages are included by default. Users can now control this behavior by setting PACMAN_EXTRAPACKAGES to a space-separated list of desired extra packages or leaving it empty to exclude all. For example, to build only the base package without extras: make pacman-pkg PACMAN_EXTRAPACKAGES="" Signed-off-by: Jose Fernandez <jose.fernandez@linux.dev> Reviewed-by: Peter Jung <ptr1337@cachyos.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Christian Heusel <christian@heusel.eu> Tested-by: Christian Heusel <christian@heusel.eu> Acked-by: Thomas Weißschuh <linux@weissschuh.net> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-07-22kbuild: add script and target to generate pacman packageThomas Weißschuh1-0/+108
pacman is the package manager used by Arch Linux and its derivates. Creating native packages from the kernel tree has multiple advantages: * The package triggers the correct hooks for initramfs generation and bootloader configuration * Uninstallation is complete and also invokes the relevant hooks * New UAPI headers can be installed without any manual bookkeeping The PKGBUILD file is a modified version of the one used for the downstream Arch Linux "linux" package. Extra steps that should not be necessary for a development kernel have been removed and an UAPI header package has been added. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>