sys-kernel/xanmod-kernel/xanmod-kernel-6.9.6.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##*.} + 1))
  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}/${MY_P}
  20
  21 LICENSE="GPL-2"
  22 KEYWORDS="~amd64"
  23 IUSE="clang debug +x86-64-v1 x86-64-v2 x86-64-v3 x86-64-v4"
  24 REQUIRED_USE="^^ ( x86-64-v1 x86-64-v2 x86-64-v3 x86-64-v4 )"
  25
  26 PDEPEND="
  27         >=virtual/dist-kernel-${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}"/*${MY_P}*.patch
  60
  61         local PATCHES=(
  62                 # genpatches
  63                 "${WORKDIR}"/*.patch
  64                 # xanmod patches
  65                 "${WORKDIR}"/patch-${PV}-xanmod${XV}
  66         )
  67         default
  68
  69         # prepare the default config
  70         case ${ARCH} in
  71         amd64)
  72                 if use x86-64-v1; then
  73                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v1" .config || die
  74                         XV="${XV}-x64v1"
  75                 elif use x86-64-v2; then
  76                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v2" .config || die
  77                         XV="${XV}-x64v2"
  78                 elif use x86-64-v3; then
  79                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v3" .config || die
  80                         XV="${XV}-x64v3"
  81                 elif use x86-64-v4; then
  82                         cp "${S}/CONFIGS/xanmod/gcc/config_x86-64-v4" .config || die
  83                         XV="${XV}-x64v4"
  84                 fi
  85                 ;;
  86         *)
  87                 die "Unsupported arch ${ARCH}"
  88                 ;;
  89         esac
  90
  91         local myversion="-xanmod${XV}"
  92         echo "CONFIG_LOCALVERSION=\"${myversion}\"" >"${T}"/version.config || die
  93         echo "CONFIG_MODPROBE_PATH=\"/sbin/modprobe\"" >"${T}"/modprobe.config || die
  94
  95         local merge_configs=(
  96                 "${T}"/version.config
  97                 "${T}"/modprobe.config
  98         )
  99
 100         kernel-build_merge_configs "${merge_configs[@]}"
 101         # delete localversion
 102         rm "${S}/localversion" || die
 103 }