sys-kernel/xanmod-kernel/xanmod-kernel-5.15.25.ebuild

   1 # Copyright 2020-2022 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##*.} + 2))
  10 XV="1"
  11
  12 DESCRIPTION="XanMod lts kernel built with Gentoo patches and cjktty"
  13 HOMEPAGE="https://www.kernel.org/"
  14 SRC_URI+=" https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
  15         https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
  16         https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
  17         https://github.com/xanmod/linux/releases/download/${PV}-xanmod${XV}/patch-${PV}-xanmod${XV}.xz
  18         https://raw.githubusercontent.com/zhmars/cjktty-patches/master/v5.x/cjktty-${PV%.*}.patch"
  19 S=${WORKDIR}/${MY_P}
  20
  21 LICENSE="GPL-2"
  22 KEYWORDS="~amd64"
  23 IUSE="cjk clang"
  24 SLOT="stable"
  25
  26 BDEPEND="
  27         clang? (
  28                 sys-devel/clang
  29                 sys-devel/lld
  30                 sys-devel/llvm
  31                 )"
  32 PDEPEND="
  33         >=virtual/dist-kernel-${PV}"
  34
  35 QA_FLAGS_IGNORED="usr/src/linux-.*/scripts/gcc-plugins/.*.so"
  36
  37 pkg_setup() {
  38         ewarn ""
  39         ewarn "${PN} is *not* supported by the Gentoo Kernel Project in any way."
  40         ewarn "You have to configure the kernel by yourself."
  41         ewarn "Generally emerge this package using default config will fail to boot."
  42         ewarn "If you need support, please contact the ${HOMEPAGE} or maintainer directly."
  43         ewarn "Do *not* open bugs in Gentoo's bugzilla unless you have issues with"
  44         ewarn "the ebuilds. Thank you."
  45         ewarn ""
  46         python-any-r1_pkg_setup "$@"
  47         if use clang && ! tc-is-clang; then
  48                 export LLVM_IAS=1
  49                 export LLVM=1
  50                 export CC=clang
  51                 export LD=ld.lld
  52                 export AR=llvm-ar
  53                 export NM=llvm-nm
  54                 export OBJCOPY=llvm-objcopy
  55                 export OBJDUMP=llvm-objdump
  56                 export READELF=llvm-readelf
  57                 export STRIP=llvm-strip
  58         else
  59                 tc-export CXX CC
  60         fi
  61 }
  62
  63 src_prepare() {
  64         # delete linux version patches
  65         rm "${WORKDIR}"/10*.patch || die
  66
  67         local PATCHES=(
  68                 # genpatches
  69                 "${WORKDIR}"/*.patch
  70                 # xanmod patches
  71                 "${WORKDIR}"/patch-${PV}-xanmod${XV}
  72         )
  73         if use cjk; then
  74                 PATCHES+=("${DISTDIR}/cjktty-${PV%.*}.patch")
  75         fi
  76         default
  77
  78         # prepare the default config
  79         case ${ARCH} in
  80         amd64)
  81                 if use clang; then
  82                         cp "${S}/CONFIGS/xanmod/clang/config" .config || die
  83                 else
  84                         cp "${S}/CONFIGS/xanmod/gcc/config" .config || die
  85                 fi
  86                 ;;
  87         *)
  88                 die "Unsupported arch ${ARCH}"
  89                 ;;
  90         esac
  91
  92         local myversion="-xanmod${XV}"
  93         echo "CONFIG_LOCALVERSION=\"${myversion}\"" >"${T}"/version.config || die
  94         echo "CONFIG_MODPROBE_PATH=\"/sbin/modprobe\"" >"${T}"/modprobe.config || die
  95
  96         local merge_configs=(
  97                 "${T}"/version.config
  98                 "${T}"/modprobe.config
  99         )
 100
 101         kernel-build_merge_configs "${merge_configs[@]}"
 102         # delete localversion
 103         rm "${S}/localversion" || die
 104 }