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# Copyright 2020-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit git-r3 kernel-build toolchain-funcs
# https://koji.fedoraproject.org/koji/packageinfo?packageID=8
CONFIG_VER=5.15.19
CONFIG_HASH=ec69da7a42b5b7c3da91572ef22097b069ddbd01
GENTOO_CONFIG_VER=g12
DESCRIPTION="Linux kernel built from vanilla upstream sources"
HOMEPAGE="
https://wiki.gentoo.org/wiki/Project:Distribution_Kernel
https://www.kernel.org/
"
SRC_URI+="
https://github.com/projg2/gentoo-kernel-config/archive/${GENTOO_CONFIG_VER}.tar.gz
-> gentoo-kernel-config-${GENTOO_CONFIG_VER}.tar.gz
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}
)
"
EGIT_REPO_URI=(
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
https://github.com/gregkh/linux/
)
EGIT_BRANCH="linux-${PV/.9999/.y}"
LICENSE="GPL-2"
IUSE="debug hardened"
REQUIRED_USE="arm? ( savedconfig )"
BDEPEND="
debug? ( dev-util/pahole )
"
PDEPEND="
>=virtual/dist-kernel-$(ver_cut 1-2)
"
src_unpack() {
git-r3_src_unpack
default
}
src_prepare() {
default
local biendian=false
# prepare the default config
case ${ARCH} in
arm | hppa)
> .config || die
;;
amd64)
cp "${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}/${MY_P}/arch/powerpc/configs/pmac32_defconfig" .config || die
;;
ppc64)
cp "${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 ${ARCH}"
;;
esac
local myversion="-dist"
use hardened && myversion+="-hardened"
echo "CONFIG_LOCALVERSION=\"${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
kernel-build_merge_configs "${merge_configs[@]}"
}
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