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# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit eutils
EXTRAVERSION="redcore-lts"
KV_FULL="${PV}-${EXTRAVERSION}"
DESCRIPTION="Official Redcore Linux LTS Kernel Image"
HOMEPAGE="https://gitlab.com/redcore/kernel"
SRC_URI="https://github.com/redcorelinux/kernel/archive/linux-${KV_FULL}.tar.gz"
KEYWORDS="amd64"
LICENSE="GPL-2"
SLOT="${PV}"
IUSE="+cryptsetup +dmraid +dracut +dkms +mdadm"
RESTRICT="binchecks strip mirror"
DEPEND="
app-arch/xz-utils
sys-devel/autoconf
sys-devel/bc
sys-devel/make
cryptsetup? ( sys-fs/cryptsetup )
dmraid? ( sys-fs/dmraid )
dracut? ( sys-kernel/dracut )
dkms? ( sys-kernel/dkms ~sys-kernel/linux-headers-lts-${PV} )
mdadm? ( sys-fs/mdadm )
>=sys-kernel/linux-firmware-20171206"
RDEPEND="${DEPEND}"
S="$WORKDIR/kernel-linux-${KV_FULL}"
pkg_setup() {
export KBUILD_BUILD_USER="nexus"
export KBUILD_BUILD_HOST="nexus.redcorelinux.org"
export REAL_ARCH="$ARCH"
unset ARCH ; unset LDFLAGS #will interfere with Makefile if set
}
src_prepare() {
default
emake mrproper
sed -ri "s|^(EXTRAVERSION =).*|\1 -${EXTRAVERSION}|" Makefile
cp "redcore/config/"${EXTRAVERSION}"-4.14-amd64.config" .config
}
src_compile() {
emake prepare modules_prepare
emake bzImage modules
}
src_install() {
dodir boot
insinto boot
newins .config config-"${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-"${KV_FULL}"
doexe vmlinux
emake INSTALL_MOD_PATH="${D}" modules_install
rm -f "${D}"lib/modules/"${KV_FULL}"/build
rm -f "${D}"lib/modules/"${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 $(which grub2-mkconfig) ]]; then
elog "Updating GRUB-2 bootloader configuration, please wait"
grub2-mkconfig -o "${ROOT}"boot/grub/grub.cfg
else
elog "It looks like you're not using GRUB-2, you must update bootloader configuration by hand"
fi
}
_dracut_initrd_create() {
if [[ -x $(which dracut) ]]; then
elog "Generating initrd for "${KV_FULL}", please wait"
addpredict /etc/ld.so.cache~
dracut -f --no-hostonly-cmdline --kver="${KV_FULL}" "${ROOT}"boot/initrd-"${KV_FULL}"
else
elog "It looks like you're not using dracut, you must generate an initrd by hand"
fi
}
_dracut_initrd_delete() {
rm -rf "${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 use dracut; then
_dracut_initrd_create
fi
_grub2_update_grubcfg
}
pkg_postrm() {
if use dracut; then
_dracut_initrd_delete
fi
if use dkms; then
_dkms_modules_delete
fi
_kernel_modules_delete
_grub2_update_grubcfg
}
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