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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 = [ Enable sys-fs/cryptsetup support to unlock LUKS encrypted partitions ] ]]
dkms [[ description = [ Enable sys-kernel/dkms support to build 3rd party dkms kernel modules ] ]]
dracut [[ description = [ Enable sys-boot/dracut support to create an initramfs ] ]]
mdadm [[ description = [ Enable sys-fs/mdadm support to create, manage, and monitor Linux MD (software RAID) devices ] ]]
"
DEPENDENCIES="
build:
app-arch/xz
sys-apps/bc
sys-devel/make
run:
cryptsetup? ( sys-fs/cryptsetup )
dkms? ( sys-kernel/dkms )
dracut? ( sys-boot/dracut )
mdadm? (sys-fs/mdadm )
firmware/intel-microcode
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
)
WORK="${WORKBASE}"/linux-"${PV}"
pkg_setup() {
export KBUILD_BUILD_USER="nexus"
export KBUILD_BUILD_HOST="nexus.redcorelinux.org"
export REAL_ARCH="$ARCH"
unset ARCH ; unset LDFLAGS #will interfere with Makefile if set
}
src_prepare() {
default
emake mrproper
edo sed -ri "s|^(EXTRAVERSION =).*|\1 -${EXTRAVERSION}|" Makefile
edo cp "${FILESDIR}"/"${EXTRAVERSION}"-amd64.config .config
}
src_compile() {
emake prepare modules_prepare
emake 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
emake INSTALL_MOD_PATH="${IMAGE}" modules_install
edo rm -f "${IMAGE}"lib/modules/"${KV_FULL}"/build
edo rm -f "${IMAGE}"lib/modules/"${KV_FULL}"/source
export local KSYMS
for KSYMS in build source ; do
dosym ../../../usr/src/linux-"${KV_FULL}" lib/modules/"${KV_FULL}"/"${KSYMS}"
done
}
_grub2_update_grubcfg() {
if [ -x $(which grub-mkconfig) ]; then
grub-mkconfig -o "${ROOT}"boot/grub/grub.cfg
fi
}
_dracut_initrd_create() {
if [ -x $(which dracut) ]; then
dracut -N -f --kver="${KV_FULL}" "${ROOT}"boot/initrd-"${KV_FULL}"
fi
}
_dracut_initrd_delete() {
rm -rf "${ROOT}"boot/initrd-"${KV_FULL}"
}
_dkms_modules_delete() {
if [ -x $(which dkms) ] ; then
export local DKMSMOD
for DKMSMOD in $(dkms status | cut -d " " -f1,2 | sed -e 's/,//g' | sed -e 's/ /\//g' | sed -e 's/://g') ; do
dkms remove "${DKMSMOD}" -k "${KV_FULL}"
done
fi
}
_kernel_modules_delete() {
rm -rf "${ROOT}"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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