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# Copyright 2020-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit kernel-install toolchain-funcs
MY_P=linux-${PV%.*}
GENPATCHES_P=genpatches-${PV%.*}-$(( ${PV##*.} + 1 ))
BINPKG=${P/-bin/}-1
DESCRIPTION="Pre-built Linux kernel with genpatches"
HOMEPAGE="https://www.kernel.org/"
SRC_URI+="
https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
https://dev.gentoo.org/~alicef/dist/genpatches/${GENPATCHES_P}.base.tar.xz
https://dev.gentoo.org/~alicef/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
amd64? (
https://dev.gentoo.org/~mgorny/binpkg/amd64/kernel/sys-kernel/gentoo-kernel/${BINPKG}.xpak
-> ${BINPKG}.amd64.xpak
)
x86? (
https://dev.gentoo.org/~mgorny/binpkg/x86/kernel/sys-kernel/gentoo-kernel/${BINPKG}.xpak
-> ${BINPKG}.x86.xpak
)"
S=${WORKDIR}
LICENSE="GPL-2"
KEYWORDS="~amd64 ~x86"
RDEPEND="
!sys-kernel/gentoo-kernel:${SLOT}
!sys-kernel/vanilla-kernel:${SLOT}
!sys-kernel/vanilla-kernel-bin:${SLOT}"
PDEPEND="
>=virtual/dist-kernel-${PV}"
BDEPEND="
sys-devel/bc
sys-devel/flex
virtual/libelf
virtual/yacc"
QA_PREBUILT='*'
src_unpack() {
default
ebegin "Unpacking ${BINPKG}.${ARCH}.xpak"
tar -x < <(xz -c -d --single-stream "${DISTDIR}/${BINPKG}.${ARCH}.xpak")
eend ${?} || die "Unpacking ${BINPKG} failed"
}
src_prepare() {
local PATCHES=(
# meh, genpatches have no directory
"${WORKDIR}"/*.patch
)
cd "${MY_P}" || die
default
}
src_configure() {
# force ld.bfd if we can find it easily
local LD="$(tc-getLD)"
if type -P "${LD}.bfd" &>/dev/null; then
LD+=.bfd
fi
tc-export_build_env
local makeargs=(
V=1
HOSTCC="$(tc-getBUILD_CC)"
HOSTCXX="$(tc-getBUILD_CXX)"
HOSTCFLAGS="${BUILD_CFLAGS}"
HOSTLDFLAGS="${BUILD_LDFLAGS}"
CROSS_COMPILE=${CHOST}-
AS="$(tc-getAS)"
CC="$(tc-getCC)"
LD="${LD}"
AR="$(tc-getAR)"
NM="$(tc-getNM)"
STRIP=":"
OBJCOPY="$(tc-getOBJCOPY)"
OBJDUMP="$(tc-getOBJDUMP)"
# we need to pass it to override colliding Gentoo envvar
ARCH=$(tc-arch-kernel)
O="${WORKDIR}"/modprep
)
mkdir modprep || die
cp "usr/src/linux-${PV}/.config" modprep/ || die
emake -C "${MY_P}" "${makeargs[@]}" modules_prepare
}
src_test() {
kernel-install_test "${PV}" \
"usr/src/linux-${PV}/$(dist-kernel_get_image_path)" \
"lib/modules/${PV}"
}
src_install() {
mv lib usr "${ED}"/ || die
# strip out-of-source build stuffs from modprep
# and then copy built files
find modprep -type f '(' \
-name Makefile -o \
-name '*.[ao]' -o \
'(' -name '.*' -a -not -name '.config' ')' \
')' -delete || die
rm modprep/source || die
cp -p -R modprep/. "${ED}/usr/src/linux-${PV}"/ || die
}
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