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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-legacy"
KV_FULL="${PV}-${EXTRAVERSION}"
KV_MAJOR="4.19"

DESCRIPTION="Redcore Linux Kernel Sources (Legacy LTS)"
HOMEPAGE="https://redcorelinux.org"
SRC_URI="https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-${PV}.tar.xz"

KEYWORDS="~amd64"
LICENSE="GPL-2"
SLOT="${PVR}"
IUSE=""

RESTRICT="strip mirror"
DEPEND="
	app-arch/lz4
	app-arch/xz-utils
	sys-devel/autoconf
	sys-devel/bc
	sys-devel/make"
RDEPEND="${DEPEND}"

PATCHES=( 
	"${FILESDIR}"/"${KV_MAJOR}"-ata-fix-NCQ-LOG-strings-and-move-to-debug.patch
	"${FILESDIR}"/"${KV_MAJOR}"-drop_ancient-and-wrong-msg.patch
	"${FILESDIR}"/"${KV_MAJOR}"-enable_alx_wol.patch
	"${FILESDIR}"/"${KV_MAJOR}"-mute-pps_state_mismatch.patch
	"${FILESDIR}"/"${KV_MAJOR}"-nouveau-pascal-backlight.patch
	"${FILESDIR}"/"${KV_MAJOR}"-radeon_dp_aux_transfer_native-no-ratelimited_debug.patch
	"${FILESDIR}"/"${KV_MAJOR}"-linux-hardened.patch
	"${FILESDIR}"/"${KV_MAJOR}"-uksm-linux-hardened.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0001-MultiQueue-Skiplist-Scheduler-version-v0.180-linux-hardened.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0002-Fix-Werror-build-failure-in-tools.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0003-Make-preemptible-kernel-default.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0004-Expose-vmsplit-for-our-poor-32-bit-users.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0005-Create-highres-timeout-variants-of-schedule_timeout-.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0006-Special-case-calls-of-schedule_timeout-1-to-use-the-.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0007-Convert-msleep-to-use-hrtimers-when-active.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0008-Replace-all-schedule-timeout-1-with-schedule_min_hrt.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0009-Replace-all-calls-to-schedule_timeout_interruptible-.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0010-Replace-all-calls-to-schedule_timeout_uninterruptibl.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0011-Don-t-use-hrtimer-overlay-when-pm_freezing-since-som.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0012-Make-threaded-IRQs-optionally-the-default-which-can-.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0013-Reinstate-default-Hz-of-100-in-combination-with-MuQS.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0014-Swap-sucks.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0015-unfuck-MuQSS-on-linux-4_19_10+.patch
	"${FILESDIR}"/"${KV_MAJOR}"-0016-unfuck-MuQSS-on-linux-4_19_20+.patch 
)


S="${WORKDIR}"/linux-"${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
	sed -ri "s|^(EXTRAVERSION =).*|\1 -${EXTRAVERSION}|" Makefile
	cp "${FILESDIR}"/"${KV_MAJOR}"-amd64.config .config
	rm -rf $(find . -type f|grep -F \.orig)
}

src_compile() {
	emake prepare modules_prepare
}

src_install() {
	dodir usr/src/linux-"${KV_FULL}"
	cp -ax "${S}"/* "${D}"usr/src/linux-"${KV_FULL}"
}

_kernel_sources_delete() {
	rm -rf "${ROOT}"usr/src/linux-"${KV_FULL}"
}

pkg_postrm() {
	_kernel_sources_delete
}