137 lines
3.7 KiB
Bash
137 lines
3.7 KiB
Bash
# Copyright 2020-2023 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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inherit kernel-build toolchain-funcs verify-sig
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MY_P=linux-${PV}
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# https://koji.fedoraproject.org/koji/packageinfo?packageID=8
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CONFIG_VER=5.15.19
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CONFIG_HASH=ec69da7a42b5b7c3da91572ef22097b069ddbd01
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GENTOO_CONFIG_VER=g6
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DESCRIPTION="Linux kernel built from vanilla upstream sources"
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HOMEPAGE="
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https://wiki.gentoo.org/wiki/Project:Distribution_Kernel
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https://www.kernel.org/
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"
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SRC_URI+="
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https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
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https://github.com/projg2/gentoo-kernel-config/archive/${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-fedora.config
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-> kernel-x86_64-fedora.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-fedora.config
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-> kernel-aarch64-fedora.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-fedora.config
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-> kernel-ppc64le-fedora.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-fedora.config
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-> kernel-i686-fedora.config.${CONFIG_VER}
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)
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"
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S=${WORKDIR}/${MY_P}
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LICENSE="GPL-2"
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KEYWORDS="~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~x86"
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IUSE="debug hardened"
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REQUIRED_USE="arm? ( savedconfig )"
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BDEPEND="
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debug? ( dev-util/pahole )
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verify-sig? ( sec-keys/openpgp-keys-kernel )
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"
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PDEPEND="
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>=virtual/dist-kernel-${PV}
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"
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VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/kernel.org.asc
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src_unpack() {
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if use verify-sig; then
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einfo "Unpacking linux-${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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local biendian=false
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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-fedora.config.${CONFIG_VER}" .config || die
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;;
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arm)
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return
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;;
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arm64)
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cp "${DISTDIR}/kernel-aarch64-fedora.config.${CONFIG_VER}" .config || die
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biendian=true
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;;
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hppa)
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return
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;;
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ppc)
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# assume powermac/powerbook defconfig
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# we still package.use.force savedconfig
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cp "${WORKDIR}/${MY_P}/arch/powerpc/configs/pmac32_defconfig" .config || die
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;;
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ppc64)
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cp "${DISTDIR}/kernel-ppc64le-fedora.config.${CONFIG_VER}" .config || die
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biendian=true
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;;
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x86)
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cp "${DISTDIR}/kernel-i686-fedora.config.${CONFIG_VER}" .config || die
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;;
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*)
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die "Unsupported arch ${ARCH}"
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;;
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esac
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local myversion="-dist"
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use hardened && myversion+="-hardened"
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echo "CONFIG_LOCALVERSION=\"${myversion}\"" > "${T}"/version.config || die
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local dist_conf_path="${WORKDIR}/gentoo-kernel-config-${GENTOO_CONFIG_VER}"
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local merge_configs=(
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"${T}"/version.config
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"${dist_conf_path}"/base.config
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)
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use debug || merge_configs+=(
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"${dist_conf_path}"/no-debug.config
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)
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if use hardened; then
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merge_configs+=( "${dist_conf_path}"/hardened-base.config )
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tc-is-gcc && merge_configs+=( "${dist_conf_path}"/hardened-gcc-plugins.config )
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if [[ -f "${dist_conf_path}/hardened-${ARCH}.config" ]]; then
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merge_configs+=( "${dist_conf_path}/hardened-${ARCH}.config" )
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fi
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fi
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# this covers ppc64 and aarch64_be only for now
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if [[ ${biendian} == true && $(tc-endian) == big ]]; then
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merge_configs+=( "${dist_conf_path}/big-endian.config" )
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fi
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kernel-build_merge_configs "${merge_configs[@]}"
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}
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