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# Copyright 2018 Redcore Linux Project
# Distributed under the terms of the GNU General Public License v2
SUMMARY="Redcore Linux Project LTS Kernel Image"
DESCRIPTION="Redcore Linux Project LTS Kernel Image"
HOMEPAGE="https://redcorelinux.org"
DOWNLOADS="https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-${PV}.tar.xz"
LICENCES="GPL-2"
SLOT="${PV}"
PLATFORMS="~amd64"
EXTRAVERSION="redcore-lts"
KV_FULL=""${PV}"-"${EXTRAVERSION}""
MYOPTIONS="
cryptsetup [[ description = [ Use sys-fs/cryptsetup to unlock LUKS encrypted partitions ] ]]
dkms [[ description = [ Use sys-kernel/dkms to build 3rd party dkms kernel modules ] ]]
dracut [[ description = [ Use sys-boot/dracut to create initramfs images ] ]]
mdadm [[ description = [ Use sys-fs/mdadm to create, manage, and monitor Linux MD (software RAID) devices ] ]]
"
DEPENDENCIES="
build:
app-arch/xz
sys-apps/bc
sys-devel/make
build+run:
cryptsetup? ( sys-fs/cryptsetup )
dkms? (
sys-kernel/dkms
sys-kernel/linux-sources-redcore-lts:"${SLOT}"
)
dracut? ( sys-boot/dracut )
mdadm? ( sys-fs/mdadm )
firmware/linux-firmware
"
DEFAULT_SRC_PREPARE_PATCHES=(
"${FILES}"/introduce-NUMA-identity-node-sched-domain.patch
"${FILES}"/k10temp-add-ZEN-support.patch
"${FILES}"/mute-pps_state_mismatch.patch
"${FILES}"/restore-SD_PREFER_SIBLING-on-MC-domains.patch
"${FILES}"/Revert-ath10k-activate-user-space-firmware-loading.patch
"${FILES}"/linux-hardened.patch
"${FILES}"/uksm-for-linux-hardened.patch
"${FILES}"/0015-Enable-BFQ-io-scheduler-by-default.patch
# allow kernel to be built via exheres
"${FILES}"/linux-pkg-config.patch
"${FILES}"/linux-objtool-dont-hardcore-ar.patch
)
WORK="${WORKBASE}"/linux-"${PV}"
pkg_setup() {
exdirectory --allow /boot
export KBUILD_BUILD_USER="nexus"
export KBUILD_BUILD_HOST="nexus.redcorelinux.org"
export REAL_ARCH="$ARCH"
unset ARCH ; unset LDFLAGS #will interfere with Makefile if set
}
src_prepare() {
default
src_prepare_params=(
CC="${CC}"
HOSTCC="${CC}"
)
edo emake \
"${src_prepare_params[@]}" \
mrproper
edo sed -ri "s|^(EXTRAVERSION =).*|\1 -${EXTRAVERSION}|" Makefile
edo cp "${FILES}"/"${EXTRAVERSION}"-amd64.config .config
}
src_compile() {
src_compile_params=(
AR="${AR}"
AS="${AS}"
CC="${CC}"
HOSTCC="${CC}"
HOSTLD="${LD}"
LD="${LD}"
NM="${NM}"
OBJCOPY="${OBJCOPY}"
OBJDUMP="${OBJDUMP}"
)
edo emake \
"${src_compile_params[@]}" \
prepare modules_prepare bzImage modules
}
src_install() {
dodir /boot
insinto /boot
newins .config config-"${KV_FULL}"
newins System.map System.map-"${KV_FULL}"
newins arch/x86/boot/bzImage vmlinuz-"${KV_FULL}"
dodir /usr/src/linux-"${KV_FULL}"
insinto /usr/src/linux-"${KV_FULL}"
doins Module.symvers
doins System.map
exeinto /usr/src/linux-"${KV_FULL}"
doexe vmlinux
src_install_params=(
CC="${CC}"
HOSTCC="${CC}"
)
edo emake \
"${src_install_params[@]}" \
INSTALL_MOD_PATH="${IMAGE}"usr/"$(exhost --target)" modules_install
edo rm -f "${IMAGE}"usr/"$(exhost --target)"/lib/modules/"${KV_FULL}"/build
edo rm -f "${IMAGE}"usr/"$(exhost --target)"/lib/modules/"${KV_FULL}"/source
export local KSYMS
for KSYMS in build source ; do
dosym ../../../../../usr/src/linux-"${KV_FULL}" usr/"$(exhost --target)"/lib/modules/"${KV_FULL}"/"${KSYMS}"
done
}
_grub2_update_grubcfg() {
if [ -x $(which grub-mkconfig) ]; then
edo grub-mkconfig -o "${ROOT}"boot/grub/grub.cfg
fi
}
_dracut_initrd_create() {
if [ -x $(which dracut) ]; then
edo dracut -N -f --kver="${KV_FULL}" "${ROOT}"boot/initrd-"${KV_FULL}"
fi
}
_dracut_initrd_delete() {
edo rm -rf "${ROOT}"boot/initrd-"${KV_FULL}"
}
_dkms_modules_delete() {
if [ -x $(which dkms) ] ; then
export local DKMSMOD
for DKMSMOD in $(dkms status | cut -d " " -f1,2 | sed -e 's/,//g' | sed -e 's/ /\//g' | sed -e 's/://g') ; do
edo dkms remove "${DKMSMOD}" -k "${KV_FULL}"
done
fi
}
_kernel_modules_delete() {
edo rm -rf "${ROOT}"usr/"$(exhost --target)"/lib/modules/"${KV_FULL}"
}
pkg_postinst() {
if [ $(stat -c %d:%i /) == $(stat -c %d:%i /proc/1/root/.) ]; then
if option dracut; then
_dracut_initrd_create
fi
_grub2_update_grubcfg
fi
}
pkg_postrm() {
if [ $(stat -c %d:%i /) == $(stat -c %d:%i /proc/1/root/.) ]; then
if option dracut; then
_dracut_initrd_delete
fi
if use dkms; then
_dkms_modules_delete
fi
_kernel_modules_delete
_grub2_update_grubcfg
fi
}
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