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# Copyright 2020-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit kernel-install toolchain-funcs unpacker verify-sig
BASE_P=linux-${PV%.*}
PATCH_PV=${PV%_p*}
PATCHSET=linux-gentoo-patches-6.1.178
BINPKG=${P/-bin}-1
SHA256SUM_DATE=20260914
DESCRIPTION="Pre-built Linux kernel with Gentoo patches"
HOMEPAGE="
https://wiki.gentoo.org/wiki/Project:Distribution_Kernel
https://www.kernel.org/
"
SRC_URI+="
https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${BASE_P}.tar.xz
https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/patch-${PATCH_PV}.xz
https://distfiles.gentoo.org/pub/proj/dist-kernel/patchsets/$(ver_cut 1-2)/${PATCHSET}.tar.xz
verify-sig? (
https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/sha256sums.asc
-> linux-$(ver_cut 1).x-sha256sums-${SHA256SUM_DATE}.asc
)
amd64? (
https://distfiles.gentoo.org/pub/proj/dist-kernel/binpkg/amd64/$(ver_cut 1-2)/${BINPKG}.amd64.gpkg.tar
)
arm64? (
https://distfiles.gentoo.org/pub/proj/dist-kernel/binpkg/arm64/$(ver_cut 1-2)/${BINPKG}.arm64.gpkg.tar
)
ppc64? (
https://distfiles.gentoo.org/pub/proj/dist-kernel/binpkg/ppc64le/$(ver_cut 1-2)/${BINPKG}.ppc64le.gpkg.tar
)
x86? (
https://distfiles.gentoo.org/pub/proj/dist-kernel/binpkg/x86/$(ver_cut 1-2)/${BINPKG}.x86.gpkg.tar
)
"
S=${WORKDIR}
KEYWORDS="amd64 arm64 ppc64 x86"
PDEPEND="
>=virtual/dist-kernel-${PV}
"
BDEPEND="
app-alternatives/bc
app-alternatives/lex
virtual/libelf
app-alternatives/yacc
verify-sig? ( >=sec-keys/openpgp-keys-kernel-20250702 )
"
KV_LOCALVERSION='-gentoo-dist-bin'
KV_FULL=${PV/_p/-p}${KV_LOCALVERSION}
QA_PREBUILT='*'
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
unpacker
}
src_prepare() {
local patch
cd "${BASE_P}" || die
eapply "${WORKDIR}/patch-${PATCH_PV}"
eapply "${WORKDIR}/${PATCHSET}"
default
# add Gentoo patchset version
local extraversion=${PV#${PATCH_PV}}
sed -i -e "s:^\(EXTRAVERSION =\).*:\1 ${extraversion/_/-}:" Makefile || die
}
src_configure() {
# force ld.bfd if we can find it easily
local HOSTLD="$(tc-getBUILD_LD)"
if type -P "${HOSTLD}.bfd" &>/dev/null; then
HOSTLD+=.bfd
fi
local LD="$(tc-getLD)"
if type -P "${LD}.bfd" &>/dev/null; then
LD+=.bfd
fi
tc-export_build_env
local makeargs=(
V=1
WERROR=0
HOSTCC="$(tc-getBUILD_CC)"
HOSTCXX="$(tc-getBUILD_CXX)"
HOSTLD="${HOSTLD}"
HOSTAR="$(tc-getBUILD_AR)"
HOSTCFLAGS="${BUILD_CFLAGS}"
HOSTLDFLAGS="${BUILD_LDFLAGS}"
CROSS_COMPILE=${CHOST}-
AS="$(tc-getAS)"
CC="$(tc-getCC)"
LD="${LD}"
AR="$(tc-getAR)"
NM="$(tc-getNM)"
STRIP="$(tc-getSTRIP)"
OBJCOPY="$(tc-getOBJCOPY)"
OBJDUMP="$(tc-getOBJDUMP)"
READELF="$(tc-getREADELF)"
# we need to pass it to override colliding Gentoo envvar
ARCH="$(tc-arch-kernel)"
O="${WORKDIR}"/modprep
)
local kernel_dir="${BINPKG}/image/usr/src/linux-${KV_FULL}"
# If this is set it will have an effect on the name of the output
# image. Set this variable to track this setting.
if grep -q "CONFIG_EFI_ZBOOT=y" "${kernel_dir}/.config"; then
KERNEL_EFI_ZBOOT=1
fi
mkdir modprep || die
cp "${BINPKG}/image/usr/src/linux-${KV_FULL}/.config" modprep/ || die
emake -C "${BASE_P}" "${makeargs[@]}" modules_prepare
}
src_test() {
kernel-install_test "${KV_FULL}" \
"${WORKDIR}/${BINPKG}/image/usr/src/linux-${KV_FULL}/$(dist-kernel_get_image_path)" \
"${BINPKG}/image/lib/modules/${KV_FULL}" \
"${WORKDIR}/${BINPKG}/image/usr/src/linux-${KV_FULL}/.config"
}
src_install() {
local kernel_dir="${BINPKG}/image/usr/src/linux-${KV_FULL}"
# Overwrite the identifier in the prebuilt package
echo "${CATEGORY}/${PF}:${SLOT}" > "${kernel_dir}/dist-kernel" || die
mv "${BINPKG}"/image/{lib,usr} "${ED}"/ || die
# FIXME: requires proper mount-boot
if [[ -d ${BINPKG}/image/boot/dtbs ]]; then
mv "${BINPKG}"/image/boot "${ED}"/ || die
fi
# strip out-of-source build stuffs from modprep
# and then copy built files
find modprep -type f '(' \
-name Makefile -o \
-name '*.[ao]' -o \
'(' -name '.*' -a -not -name '.config' ')' \
')' -delete || die
rm modprep/source || die
cp -p -R modprep/. "${ED}/usr/src/linux-${KV_FULL}"/ || die
}
|
