140 lines
4.1 KiB
Bash
140 lines
4.1 KiB
Bash
# Copyright 2020-2024 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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KERNEL_IUSE_GENERIC_UKI=1
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KERNEL_IUSE_MODULES_SIGN=1
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inherit kernel-build toolchain-funcs
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MY_P=linux-${PV%.*}
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GENPATCHES_P=genpatches-${PV%.*}-$(( ${PV##*.} + 7 ))
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CONFIG_VER=6.6.12-gentoo
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GENTOO_CONFIG_VER=g13
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HARDENED_PATCH_VER="${PV}-hardened1"
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GENPATCHES_EXCLUDE="1500_XATTR_USER_PREFIX.patch
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1510_fs-enable-link-security-restrictions-by-default.patch
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2900_dev-root-proc-mount-fix.patch
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4200_fbcondecor.patch
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4400_alpha-sysctl-uac.patch"
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DESCRIPTION="Linux kernel built with Gentoo patches"
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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://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
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https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
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https://github.com/anthraxx/linux-hardened/releases/download/v${HARDENED_PATCH_VER}/linux-hardened-v${HARDENED_PATCH_VER}.patch
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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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amd64? (
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https://raw.githubusercontent.com/projg2/fedora-kernel-config-for-gentoo/${CONFIG_VER}/kernel-x86_64-fedora.config
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-> kernel-x86_64-fedora.config.${CONFIG_VER}
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)
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arm64? (
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https://raw.githubusercontent.com/projg2/fedora-kernel-config-for-gentoo/${CONFIG_VER}/kernel-aarch64-fedora.config
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-> kernel-aarch64-fedora.config.${CONFIG_VER}
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)
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ppc64? (
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https://raw.githubusercontent.com/projg2/fedora-kernel-config-for-gentoo/${CONFIG_VER}/kernel-ppc64le-fedora.config
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-> kernel-ppc64le-fedora.config.${CONFIG_VER}
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)
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x86? (
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https://raw.githubusercontent.com/projg2/fedora-kernel-config-for-gentoo/${CONFIG_VER}/kernel-i686-fedora.config
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-> kernel-i686-fedora.config.${CONFIG_VER}
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)
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"
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S=${WORKDIR}/${MY_P}
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KEYWORDS="amd64 ~arm arm64 ~hppa ~loong ~ppc ppc64 ~riscv ~sparc x86"
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IUSE="debug"
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REQUIRED_USE="
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arm? ( savedconfig )
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hppa? ( savedconfig )
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riscv? ( savedconfig )
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sparc? ( savedconfig )
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"
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RDEPEND="
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!sys-kernel/gentoo-kernel-bin:${SLOT}
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"
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BDEPEND="
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debug? ( dev-util/pahole )
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"
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PDEPEND="
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>=virtual/dist-kernel-${PV}
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"
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QA_FLAGS_IGNORED="
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usr/src/linux-.*/scripts/gcc-plugins/.*.so
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usr/src/linux-.*/vmlinux
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usr/src/linux-.*/arch/powerpc/kernel/vdso.*/vdso.*.so.dbg
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"
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src_prepare() {
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# remove some genpatches causes conflicts with linux-hardened patch
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for patch in ${GENPATCHES_EXCLUDE}; do
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rm -f ${WORKDIR}/${patch}
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done
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# Remove already exists changes in linux-hardened patch
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sed -i '322,337d' "${WORKDIR}/4567_distro-Gentoo-Kconfig.patch"
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# include linux-hardened patch with priority
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cp ${DISTDIR}/linux-hardened-v${HARDENED_PATCH_VER}.patch ${WORKDIR}/1199_linux-hardened-${HARDENED_PATCH_VER}.patch
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# copy Clear Linux patches
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if [ -d "${FILESDIR}"/${MY_P} ]; then
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cp "${FILESDIR}"/${MY_P}/*.patch ${WORKDIR}/
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fi
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local PATCHES=(
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# meh, genpatches have no directory
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"${WORKDIR}"/*.patch
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)
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default
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sed -i "s@\-hardened1@@g" Makefile || die
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local biendian=false
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# prepare the default config
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case ${ARCH} in
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amd64)
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cp "${FILESDIR}/linux-6.6.amd64.config" .config || die
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;;
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*)
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die "Unsupported arch ${ARCH}"
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;;
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esac
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local myversion="-hardened"
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echo "CONFIG_LOCALVERSION=\"${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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)
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use debug || merge_configs+=(
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"${dist_conf_path}"/no-debug.config
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)
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merge_configs+=( "${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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# 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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use secureboot && merge_configs+=( "${dist_conf_path}/secureboot.config" )
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kernel-build_merge_configs "${merge_configs[@]}"
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}
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