sys-kernel/xanmod-lts/xanmod-lts-5.10.75.ebuild

   1 # Copyright 2020-2021 Gentoo Authors
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 EAPI=7
   5
   6 inherit kernel-build toolchain-funcs
   7
   8 MY_P=linux-${PV%.*}
   9 GENPATCHES_P=genpatches-${PV%.*}-$((${PV##*.} + 6))
  10 LINUX_CONFIG_VER=5.10.75
  11 LINUX_CONFIG_DIR="${WORKDIR}/linux-config-${LINUX_CONFIG_VER}"
  12
  13 DESCRIPTION="XanMod lts kernel built with Gentoo patches and cjktty"
  14 HOMEPAGE="https://www.kernel.org/"
  15 SRC_URI+=" https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
  16         https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
  17         https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
  18         https://github.com/xanmod/linux/releases/download/${PV}-xanmod1/patch-${PV}-xanmod1.xz
  19         https://github.com/OriPoin/linux-config/archive/refs/tags/${LINUX_CONFIG_VER}.tar.gz -> linux-config-${LINUX_CONFIG_VER}.tar.gz
  20         https://raw.githubusercontent.com/zhmars/cjktty-patches/master/v5.x/cjktty-5.10.patch"
  21 S=${WORKDIR}/${MY_P}
  22
  23 LICENSE="GPL-2"
  24 KEYWORDS="amd64"
  25 IUSE="systemd zstd debug hardened cjk"
  26
  27 PDEPEND="
  28         >=virtual/dist-kernel-${PV}"
  29
  30 QA_FLAGS_IGNORED="usr/src/linux-.*/scripts/gcc-plugins/.*.so"
  31
  32 src_prepare() {
  33         # delete linux version patches
  34         rm "${WORKDIR}"/10*.patch || die
  35
  36         local PATCHES=(
  37                 # genpatches
  38                 "${WORKDIR}"/*.patch
  39                 # xanmod patches
  40                 "${WORKDIR}"/patch-${PV}-xanmod1
  41         )
  42         if use cjk; then
  43                 PATCHES+=("${DISTDIR}/cjktty-5.10.patch")
  44         fi
  45         default
  46
  47         # prepare the default config
  48         case ${ARCH} in
  49         amd64)
  50                 cp "${S}/CONFIGS/xanmod/gcc/config" .config || die
  51                 ;;
  52         *)
  53                 die "Unsupported arch ${ARCH}"
  54                 ;;
  55         esac
  56
  57         local myversion="-xanmod-lts"
  58         echo "CONFIG_LOCALVERSION=\"${myversion}\"" >"${T}"/version.config || die
  59
  60         local merge_configs=(
  61                 "${T}"/version.config
  62                 "${LINUX_CONFIG_DIR}"/base.config
  63         )
  64         use debug || merge_configs+=(
  65                 "${LINUX_CONFIG_DIR}"/no-debug.config
  66         )
  67
  68         if use zstd; then
  69                 merge_configs+=("${LINUX_CONFIG_DIR}"/zstd.config)
  70         fi
  71         if use systemd; then
  72                 merge_configs+=("${LINUX_CONFIG_DIR}"/systemd.config)
  73         fi
  74
  75         if use hardened; then
  76                 merge_configs+=("${LINUX_CONFIG_DIR}"/hardened-base.config)
  77
  78                 tc-is-gcc && merge_configs+=("${LINUX_CONFIG_DIR}"/hardened-gcc-plugins.config)
  79
  80                 if [[ -f "${LINUX_CONFIG_DIR}/hardened-${ARCH}.config" ]]; then
  81                         merge_configs+=("${LINUX_CONFIG_DIR}/hardened-${ARCH}.config")
  82                 fi
  83         fi
  84
  85         kernel-build_merge_configs "${merge_configs[@]}"
  86 }