sys-kernel/xanmod-kernel/xanmod-kernel-6.11.9.ebuild

   1 # Copyright 2020-2024 Gentoo Authors
   2 # Distributed under the terms of the GNU General Public License v2
   3
   4 EAPI=8
   5
   6 inherit kernel-build toolchain-funcs
   7
   8 MY_P=linux-${PV%.*}
   9 #Note: to bump xanmod, check GENPATCHES_P in sys-kernel/gentoo-kernel
  10 GENPATCHES_P=genpatches-${PV%.*}-$((${PV##*.} + 2))
  11 XV="1"
  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://download.sourceforge.net/xanmod/patch-${PV}-xanmod1.xz"
  19 S=${WORKDIR}/${MY_P}
  20
  21 LICENSE="GPL-2"
  22 KEYWORDS="~amd64"
  23 IUSE="clang debug +x86-64-v2 x86-64-v3 x86-64-v4"
  24 REQUIRED_USE="^^ ( x86-64-v2 x86-64-v3 x86-64-v4 )"
  25
  26 PDEPEND="
  27         >=virtual/dist-kernel-${PV}"
  28
  29 QA_FLAGS_IGNORED="usr/src/linux-.*/scripts/gcc-plugins/.*.so"
  30
  31 pkg_setup() {
  32         ewarn ""
  33         ewarn "${PN} is *not* supported by the Gentoo Kernel Project in any way."
  34         ewarn "You have to configure the kernel by yourself."
  35         ewarn "Generally emerge this package using default config will fail to boot."
  36         ewarn "If you need support, please contact the ${HOMEPAGE} or maintainer directly."
  37         ewarn "Do *not* open bugs in Gentoo's bugzilla unless you have issues with"
  38         ewarn "the ebuilds. Thank you."
  39         ewarn ""
  40         if use clang && ! tc-is-clang; then
  41                 export LLVM_IAS=1
  42                 export LLVM=1
  43                 export CC=clang
  44                 export LD=ld.lld
  45                 export AR=llvm-ar
  46                 export NM=llvm-nm
  47                 export OBJCOPY=llvm-objcopy
  48                 export OBJDUMP=llvm-objdump
  49                 export READELF=llvm-readelf
  50                 export STRIP=llvm-strip
  51         else
  52                 tc-export CXX CC
  53         fi
  54
  55 }
  56
  57 src_prepare() {
  58         # delete linux version patches
  59         rm "${WORKDIR}"/*${MY_P}*.patch
  60
  61         local PATCHES=(
  62                 # xanmod patches
  63                 "${WORKDIR}"/patch-${PV}-xanmod${XV}
  64                 # genpatches
  65                 "${WORKDIR}"/*.patch
  66         )
  67         default
  68
  69         # prepare the default config
  70         case ${ARCH} in
  71         amd64)
  72                 if use x86-64-v2; then
  73                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v2" .config || die
  74                         XV="${XV}-x64v2"
  75                 elif use x86-64-v3; then
  76                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v3" .config || die
  77                         XV="${XV}-x64v3"
  78                 elif use x86-64-v4; then
  79                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v4" .config || die
  80                         XV="${XV}-x64v4"
  81                 fi
  82                 ;;
  83         *)
  84                 die "Unsupported arch ${ARCH}"
  85                 ;;
  86         esac
  87
  88         local myversion="-xanmod${XV}"
  89         echo "CONFIG_LOCALVERSION=\"${myversion}\"" >"${T}"/version.config || die
  90         echo "CONFIG_MODPROBE_PATH=\"/sbin/modprobe\"" >"${T}"/modprobe.config || die
  91
  92         local merge_configs=(
  93                 "${T}"/version.config
  94                 "${T}"/modprobe.config
  95         )
  96
  97         kernel-build_merge_configs "${merge_configs[@]}"
  98         # delete localversion
  99         rm "${S}/localversion" || die
 100 }