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# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit estack linux-info
DESCRIPTION="Bootconfig tools for kernel command line to support key-value"
HOMEPAGE="https://kernel.org/"
LINUX_V="${PV:0:1}.x"
if [[ ${PV} == *_rc* ]] ; then
LINUX_VER=$(ver_cut 1-2).$(($(ver_cut 3)-1))
PATCH_VERSION=$(ver_cut 1-3)
LINUX_PATCH=patch-${PV//_/-}.xz
SRC_URI="https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/testing/${LINUX_PATCH}
https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/testing/v${PATCH_VERSION}/${LINUX_PATCH}"
elif [[ ${PV} == *.*.* ]] ; then
# stable-release series
LINUX_VER=$(ver_cut 1-2)
LINUX_PATCH=patch-${PV}.xz
SRC_URI="https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_PATCH}"
else
LINUX_VER=${PV}
SRC_URI=""
fi
LINUX_SOURCES="linux-${LINUX_VER}.tar.xz"
SRC_URI+=" https://www.kernel.org/pub/linux/kernel/v${LINUX_V}/${LINUX_SOURCES}"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~riscv"
IUSE="examples"
BDEPEND="
${LINUX_PATCH+dev-util/patchutils}
"
RDEPEND=""
DEPEND="${RDEPEND}
>=sys-kernel/linux-headers-5.10
"
S_K="${WORKDIR}/linux-${LINUX_VER}"
S="${S_K}/tools/bootconfig"
CONFIG_CHECK="~BOOT_CONFIG"
PATCHES=( "${FILESDIR}"/${P}-cflags.patch )
src_unpack() {
local paths=(
tools/arch tools/build tools/include tools/lib tools/bootconfig tools/scripts
scripts include lib "arch/*/lib"
)
# We expect the tar implementation to support the -j option (both
# GNU tar and libarchive's tar support that).
echo ">>> Unpacking ${LINUX_SOURCES} (${paths[*]}) to ${PWD}"
tar --wildcards -xpf "${DISTDIR}"/${LINUX_SOURCES} \
"${paths[@]/#/linux-${LINUX_VER}/}" || die
if [[ -n ${LINUX_PATCH} ]] ; then
eshopts_push -o noglob
ebegin "Filtering partial source patch"
filterdiff -p1 ${paths[@]/#/-i } -z "${DISTDIR}"/${LINUX_PATCH} \
> ${P}.patch
eend $? || die "filterdiff failed"
eshopts_pop
fi
local a
for a in ${A}; do
[[ ${a} == ${LINUX_SOURCES} ]] && continue
[[ ${a} == ${LINUX_PATCH} ]] && continue
unpack ${a}
done
}
src_prepare() {
default
if [[ -n ${LINUX_PATCH} ]] ; then
pushd "${S_K}" >/dev/null || die
eapply "${WORKDIR}"/${P}.patch
popd || die
fi
}
src_compile() {
emake bootconfig
}
src_test() {
:
}
src_install() {
dobin bootconfig
if use examples; then
dodoc -r scripts
docinto examples
dodoc -r samples/*
fi
}
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