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# Copyright 2020-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit kernel-build toolchain-funcs verify-sig
BASE_P=linux-${PV%.*}
PATCH_PV=${PV%_p*}
PATCHSET=linux-gentoo-patches-5.10.248
# https://koji.fedoraproject.org/koji/packageinfo?packageID=8
CONFIG_VER=5.10.12
CONFIG_HASH=836165dd2dff34e4f2c47ca8f9c803002c1e6530
GENTOO_CONFIG_VER=g17
SHA256SUM_DATE=20260211
DESCRIPTION="Linux kernel built with Gentoo patches"
HOMEPAGE="
https://wiki.gentoo.org/wiki/Project:Distribution_Kernel
https://www.kernel.org/
"
SRC_URI+="
https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${BASE_P}.tar.xz
https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/patch-${PATCH_PV}.xz
https://dev.gentoo.org/~mgorny/dist/linux/${PATCHSET}.tar.xz
https://github.com/projg2/gentoo-kernel-config/archive/${GENTOO_CONFIG_VER}.tar.gz
-> gentoo-kernel-config-${GENTOO_CONFIG_VER}.tar.gz
verify-sig? (
https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/sha256sums.asc
-> linux-$(ver_cut 1).x-sha256sums-${SHA256SUM_DATE}.asc
)
amd64? (
https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-x86_64-fedora.config
-> kernel-x86_64-fedora.config.${CONFIG_VER}
)
arm64? (
https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-aarch64-fedora.config
-> kernel-aarch64-fedora.config.${CONFIG_VER}
)
ppc64? (
https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-ppc64le-fedora.config
-> kernel-ppc64le-fedora.config.${CONFIG_VER}
)
x86? (
https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-i686-fedora.config
-> kernel-i686-fedora.config.${CONFIG_VER}
)
"
S=${WORKDIR}/${BASE_P}
KEYWORDS="amd64 ~arm arm64 ~hppa ~ppc ppc64 ~sparc x86"
IUSE="debug experimental hardened"
REQUIRED_USE="
arm? ( savedconfig )
hppa? ( savedconfig )
sparc? ( savedconfig )
"
RDEPEND="
!sys-kernel/gentoo-kernel-bin:${SLOT}
"
BDEPEND="
debug? ( dev-util/pahole )
verify-sig? ( >=sec-keys/openpgp-keys-kernel-20250702 )
"
PDEPEND="
>=virtual/dist-kernel-${PV}
"
QA_FLAGS_IGNORED="
usr/src/linux-.*/scripts/gcc-plugins/.*.so
usr/src/linux-.*/vmlinux
usr/src/linux-.*/arch/powerpc/kernel/vdso.*/vdso.*.so.dbg
"
VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/kernel.org.asc
src_unpack() {
if use verify-sig; then
cd "${DISTDIR}" || die
verify-sig_verify_signed_checksums \
"linux-$(ver_cut 1).x-sha256sums-${SHA256SUM_DATE}.asc" \
sha256 "${BASE_P}.tar.xz patch-${PATCH_PV}.xz"
cd "${WORKDIR}" || die
fi
default
}
src_prepare() {
local patch
eapply "${WORKDIR}/patch-${PATCH_PV}"
for patch in "${WORKDIR}/${PATCHSET}"/*.patch; do
eapply "${patch}"
# non-experimental patches always finish with Gentoo Kconfig
# when ! use experimental, stop applying after it
if [[ ${patch} == *Add-Gentoo-Linux-support-config-settings* ]] &&
! use experimental
then
break
fi
done
default
# add Gentoo patchset version
local extraversion=${PV#${PATCH_PV}}
sed -i -e "s:^\(EXTRAVERSION =\).*:\1 ${extraversion/_/-}:" Makefile || die
local biendian=false
# prepare the default config
case ${ARCH} in
arm | hppa | sparc)
> .config || die
;;
amd64)
cp "${DISTDIR}/kernel-x86_64-fedora.config.${CONFIG_VER}" .config || die
;;
arm64)
cp "${DISTDIR}/kernel-aarch64-fedora.config.${CONFIG_VER}" .config || die
biendian=true
;;
ppc)
# assume powermac/powerbook defconfig
# we still package.use.force savedconfig
cp "${WORKDIR}/${BASE_P}/arch/powerpc/configs/pmac32_defconfig" .config || die
;;
ppc64)
cp "${DISTDIR}/kernel-ppc64le-fedora.config.${CONFIG_VER}" .config || die
biendian=true
;;
x86)
cp "${DISTDIR}/kernel-i686-fedora.config.${CONFIG_VER}" .config || die
;;
*)
die "Unsupported arch ${ARCH}"
;;
esac
local myversion="-gentoo-dist"
use hardened && myversion+="-hardened"
echo "CONFIG_LOCALVERSION=\"${myversion}\"" > "${T}"/version.config || die
local dist_conf_path="${WORKDIR}/gentoo-kernel-config-${GENTOO_CONFIG_VER}"
local merge_configs=(
"${T}"/version.config
"${dist_conf_path}"/base.config
)
use debug || merge_configs+=(
"${dist_conf_path}"/no-debug.config
)
if use hardened; then
merge_configs+=( "${dist_conf_path}"/hardened-base.config )
tc-is-gcc && merge_configs+=( "${dist_conf_path}"/hardened-gcc-plugins.config )
if [[ -f "${dist_conf_path}/hardened-${ARCH}.config" ]]; then
merge_configs+=( "${dist_conf_path}/hardened-${ARCH}.config" )
fi
fi
# this covers ppc64 and aarch64_be only for now
if [[ ${biendian} == true && $(tc-endian) == big ]]; then
merge_configs+=( "${dist_conf_path}/big-endian.config" )
fi
use secureboot && merge_configs+=( "${dist_conf_path}/secureboot.config" )
kernel-build_merge_configs "${merge_configs[@]}"
}
|
