sys-kernel/xanmod-kernel/xanmod-kernel-6.4.11.ebuild

   1 # Copyright 2020-2023 Gentoo Authors
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 EAPI=8
   5
   6 inherit kernel-build python-any-r1 toolchain-funcs
   7
   8 PYTHON_COMPAT=( python3_{9..11} )
   9 MY_P=linux-${PV%.*}
  10 #Note: to bump xanmod, check GENPATCHES_P in sys-kernel/gentoo-kernel
  11 GENPATCHES_P=genpatches-${PV%.*}-$((${PV##*.} + 2))
  12 XV="1"
  13
  14 DESCRIPTION="XanMod lts kernel built with Gentoo patches and cjktty"
  15 HOMEPAGE="https://www.kernel.org/"
  16 SRC_URI+=" https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
  17         https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
  18         https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
  19         mirror://sourceforge/xanmod/patch-${PV}-xanmod1.xz
  20         https://raw.githubusercontent.com/zhmars/cjktty-patches/master/v6.x/cjktty-${PV%.*}.patch"
  21 S=${WORKDIR}/${MY_P}
  22
  23 LICENSE="GPL-2"
  24 KEYWORDS="~amd64"
  25 IUSE="cjk clang debug +x86-64-v1 x86-64-v2 x86-64-v3 x86-64-v4"
  26 REQUIRED_USE="^^ ( x86-64-v1 x86-64-v2 x86-64-v3 x86-64-v4 )"
  27
  28 PDEPEND="
  29         >=virtual/dist-kernel-${PV}"
  30
  31 QA_FLAGS_IGNORED="usr/src/linux-.*/scripts/gcc-plugins/.*.so"
  32
  33 pkg_setup() {
  34         ewarn ""
  35         ewarn "${PN} is *not* supported by the Gentoo Kernel Project in any way."
  36         ewarn "You have to configure the kernel by yourself."
  37         ewarn "Generally emerge this package using default config will fail to boot."
  38         ewarn "If you need support, please contact the ${HOMEPAGE} or maintainer directly."
  39         ewarn "Do *not* open bugs in Gentoo's bugzilla unless you have issues with"
  40         ewarn "the ebuilds. Thank you."
  41         ewarn ""
  42         python-any-r1_pkg_setup "$@"
  43         if use clang && ! tc-is-clang; then
  44                 export LLVM_IAS=1
  45                 export LLVM=1
  46                 export CC=clang
  47                 export LD=ld.lld
  48                 export AR=llvm-ar
  49                 export NM=llvm-nm
  50                 export OBJCOPY=llvm-objcopy
  51                 export OBJDUMP=llvm-objdump
  52                 export READELF=llvm-readelf
  53                 export STRIP=llvm-strip
  54         else
  55                 tc-export CXX CC
  56         fi
  57
  58 }
  59
  60 src_prepare() {
  61         # delete linux version patches
  62         rm "${WORKDIR}"/*${MY_P}*.patch || die
  63
  64         local PATCHES=(
  65                 # genpatches
  66                 "${WORKDIR}"/*.patch
  67                 # xanmod patches
  68                 "${WORKDIR}"/patch-${PV}-xanmod${XV}
  69         )
  70         if use cjk; then
  71                 PATCHES+=("${DISTDIR}/cjktty-${PV%.*}.patch")
  72         fi
  73         default
  74
  75         # prepare the default config
  76         case ${ARCH} in
  77         amd64)
  78                 if use x86-64-v1; then
  79                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v1" .config || die
  80                         XV="${XV}-x64v1"
  81                 elif use x86-64-v2; then
  82                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v2" .config || die
  83                         XV="${XV}-x64v2"
  84                 elif use x86-64-v3; then
  85                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v3" .config || die
  86                         XV="${XV}-x64v3"
  87                 elif use x86-64-v4; then
  88                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v4" .config || die
  89                         XV="${XV}-x64v4"
  90                 fi
  91                 ;;
  92         *)
  93                 die "Unsupported arch ${ARCH}"
  94                 ;;
  95         esac
  96
  97         local myversion="-xanmod${XV}"
  98         echo "CONFIG_LOCALVERSION=\"${myversion}\"" >"${T}"/version.config || die
  99         echo "CONFIG_MODPROBE_PATH=\"/sbin/modprobe\"" >"${T}"/modprobe.config || die
 100
 101         local merge_configs=(
 102                 "${T}"/version.config
 103                 "${T}"/modprobe.config
 104         )
 105
 106         kernel-build_merge_configs "${merge_configs[@]}"
 107         # delete localversion
 108         rm "${S}/localversion" || die
 109 }