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# Copyright 2020-2021 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=7
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inherit kernel-build verify-sig
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MY_P=linux-${PV}
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# https://koji.fedoraproject.org/koji/packageinfo?packageID=8
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CONFIG_VER=5.4.21
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CONFIG_HASH=2809b7faa6a8cb232cd825096c146b7bdc1e08ea
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GENTOO_CONFIG_VER=5.4.114
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DESCRIPTION="Linux kernel built from vanilla upstream sources"
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HOMEPAGE="https://www.kernel.org/"
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SRC_URI+=" https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
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https://github.com/mgorny/gentoo-kernel-config/archive/v${GENTOO_CONFIG_VER}.tar.gz
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-> gentoo-kernel-config-${GENTOO_CONFIG_VER}.tar.gz
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verify-sig? (
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https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.sign
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)
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amd64? (
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https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-x86_64.config
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-> kernel-x86_64.config.${CONFIG_VER}
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)
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arm64? (
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https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-aarch64.config
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-> kernel-aarch64.config.${CONFIG_VER}
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)
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ppc64? (
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https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-ppc64le.config
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-> kernel-ppc64le.config.${CONFIG_VER}
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)
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x86? (
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https://src.fedoraproject.org/rpms/kernel/raw/${CONFIG_HASH}/f/kernel-i686.config
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-> kernel-i686.config.${CONFIG_VER}
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)"
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S=${WORKDIR}/${MY_P}
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LICENSE="GPL-2"
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KEYWORDS="~amd64 ~arm64 ~x86"
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IUSE="debug"
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RDEPEND="
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!sys-kernel/vanilla-kernel-bin:${SLOT}"
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BDEPEND="
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debug? ( dev-util/pahole )
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verify-sig? ( app-crypt/openpgp-keys-kernel )"
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PDEPEND="
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>=virtual/dist-kernel-${PV}"
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VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/kernel.org.asc
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pkg_pretend() {
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ewarn "Starting with 5.4.52, Distribution Kernels are switching from Arch"
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ewarn "Linux configs to Fedora. Please keep a backup kernel just in case."
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kernel-install_pkg_pretend
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}
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src_unpack() {
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if use verify-sig; then
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einfo "Unpacking linux-${PV}.tar.xz ..."
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verify-sig_verify_detached - "${DISTDIR}"/linux-${PV}.tar.sign \
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< <(xz -cd "${DISTDIR}"/linux-${PV}.tar.xz | tee >(tar -x))
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assert "Unpack failed"
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unpack "gentoo-kernel-config-${GENTOO_CONFIG_VER}.tar.gz"
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else
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default
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fi
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}
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src_prepare() {
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default
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# prepare the default config
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case ${ARCH} in
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amd64)
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cp "${DISTDIR}/kernel-x86_64.config.${CONFIG_VER}" .config || die
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;;
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arm64)
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cp "${DISTDIR}/kernel-aarch64.config.${CONFIG_VER}" .config || die
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;;
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ppc64)
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cp "${DISTDIR}/kernel-ppc64le.config.${CONFIG_VER}" .config || die
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;;
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x86)
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cp "${DISTDIR}/kernel-i686.config.${CONFIG_VER}" .config || die
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;;
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*)
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die "Unsupported arch ${ARCH}"
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;;
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esac
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echo 'CONFIG_LOCALVERSION="-dist"' > "${T}"/version.config || die
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local merge_configs=(
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"${T}"/version.config
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"${WORKDIR}/gentoo-kernel-config-${GENTOO_CONFIG_VER}"/base.config
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)
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use debug || merge_configs+=(
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"${WORKDIR}/gentoo-kernel-config-${GENTOO_CONFIG_VER}"/no-debug.config
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)
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[[ ${ARCH} == x86 ]] && merge_configs+=(
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"${WORKDIR}/gentoo-kernel-config-${GENTOO_CONFIG_VER}"/32-bit.config
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)
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kernel-build_merge_configs "${merge_configs[@]}"
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}
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