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File PKGBUILD of Package linux-px (Revision e34ac9bfd5bd370c217e64a1a61ceb0e)

Currently displaying revision e34ac9bfd5bd370c217e64a1a61ceb0e , Show latest

pkgbase=linux-px
pkgname=("$pkgbase" "$pkgbase-headers")
pkgver=6.4.6
pkgrel=2
pkgdesc='Linux Px'
url="https://www.kernel.org"
arch=(x86_64)
license=(GPL2)
makedepends=(
  bc cpio gettext libelf pahole perl tar xz
  python
  clang llvm lld
)
options=('!strip')
_srcname=linux-${pkgver/.rc/-rc}
[[ $pkgver =~ [0-9]+\.[0-9]+ ]] && _kernver=$BASH_REMATCH
source=(
  "https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-$pkgver.tar.xz"
  "file://$PWD/kernel-patches/$_kernver/arch-patches-v6-sep/0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch"
  "file://$PWD/kernel-patches/$_kernver/bore-eevdf-scheduler-patches-v6/0001-bore-6.4-introduce-BORE-Scheduler-with-EEVDF-patches.patch"
  "file://$PWD/kernel-patches/$_kernver/v4l2loopback-patches/0001-media-v4l2-core-add-v4l2loopback.patch"
  "file://$PWD/kernel-patches/$_kernver/fixes-miscellaneous-v8/0001-fixes-miscellaneous.patch"
  "file://$PWD/kernel-patches/$_kernver/maple-lru-patches-v9/0001-mm-6.4-add-maple-tree-and-mglru-fixes.patch"
  "file://$PWD/kernel-patches/$_kernver/amd-pstate-patches-v3/0001-amd-6.4-merge-changes-from-dev-tree.patch"
  "file://$PWD/kernel-patches/$_kernver/lrng-patches/0001-lrng-6.4-introduce-Linux-Random-Number-Generator.patch"
  "file://$PWD/kernel-patches/$_kernver/vma-patches-v20/0001-vma-6.4-merge-changes-from-dev-tree.patch"
  "file://$PWD/kernel-patches/$_kernver/clang-patches/0001-clang-6.4-add-miscellaneous-fixes-for-clang.patch"
  "file://$PWD/kernel-patches/$_kernver/bbr2-patches/0001-tcp_bbr2-introduce-BBRv2.patch"
  "file://$PWD/kernel-patches/$_kernver/zstd-cachyos-patches/0001-zstd-6.4-import-v1.5.5.patch"
  "file://$PWD/kernel-patches/$_kernver/x86-cachyos-patches-v2/0001-x86-build-Avoid-relocation-information-in-final-vmli.patch"
  "file://$PWD/kernel-patches/$_kernver/drm-patches-v2/0001-drm-6.4-Add-HDR-patches.patch"
  'https://github.com/graysky2/kernel_compiler_patch/raw/9d14/more-uarches-for-kernel-5.17+.patch'
  'https://github.com/zhmars/cjktty-patches/raw/34f6/v6.x/cjktty-6.4.patch'
  'optimize_harder_Ofast.patch'
  config         # the main kernel config file
)
b2sums=('a395218ffd3447a9b22d248c7dd69204115567185d91d4abb712f77ce0b90571bdbcf0ea845ed4adb30d0fd448341d95c8be6e3acf46d940477d8c55d681a669'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        'SKIP'
        '508ff463d936e07e0c3ac2017da12bda52d3db5d98d45fe908f35c4d9fadb253cc9d5c17b8915ec600b5024fcecc2746a04d32096e7ebf691438d4ab8bd067a8'
        '137f469cf6931c2ea64393b808cf7d31497ef361170f624b105fc8920168354fa7ac27dcf5eaa929832ed7fd4a391c65561c7736619c740edb267f4fad50bc58'
        '1dfb8fcae9e21c4fc437d2d8ea61c7b4ebff9a7e0acdfa2180488916f75c8264c09874f66234c1d61f545b1e19a97c10c8fd507ccdac6274aae11e7ac1eda8e5'
        'e3b49692d4b4402cd5ff1b5393178c56617880f99879a555744ad74dfbdca9cea4b702e9a9e8426c6770bac936c59cd9db956e7ff1c3a2c59e321bd51f30151e')

export KBUILD_BUILD_HOST=archlinux
export KBUILD_BUILD_USER=$pkgbase
export KBUILD_BUILD_TIMESTAMP="$(date -Ru${SOURCE_DATE_EPOCH:+d @$SOURCE_DATE_EPOCH})"

export LLVM=1
export KCFLAGS='-Ofast -pipe -march=znver3 -mtune=znver3 -fstack-protector-strong'
export KCPPFLAGS='-Ofast -pipe -march=znver3 -mtune=znver3 -fstack-protector-strong'

_make() {
  test -s version
  make KERNELRELEASE="$(<version)" "$@"
}

_prepare() {
  cd $_srcname

echo "Setting version..."
  echo "-$pkgrel" > localversion.10-pkgrel
  echo "${pkgbase#linux}" > localversion.20-pkgname
  make defconfig
  make -s kernelrelease > version
  make mrproper

local src
  for src in "${source[@]}"; do
    src="${src%%::*}"
    src="${src##*/}"
    [[ $src = *.patch ]] || continue
    echo "Applying patch $src..."
    patch -Np1 < "../$src"
  done

echo "Setting config..."
  cp ../config .config
  _make olddefconfig
  diff -u ../config .config || :

echo "Prepared $pkgbase version $(<version)"
}

prepare() {
  _prepare() >&2
}

build() {
  cd $_srcname
  _jobs=$(($(nproc) + 1))
  make -j${_jobs} all
}

_package() {
  pkgdesc="The $pkgdesc kernel and modules"
  depends=(coreutils initramfs kmod)
  optdepends=('wireless-regdb: to set the correct wireless channels of your country'
              'linux-firmware: firmware images needed for some devices')
  provides=(KSMBD-MODULE VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)
  replaces=()

cd $_srcname
  local modulesdir="$pkgdir/usr/lib/modules/$(<version)"

echo "Installing boot image..."
  # systemd expects to find the kernel here to allow hibernation
  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  install -Dm644 "$(_make -s image_name)" "$modulesdir/vmlinuz"

# Used by mkinitcpio to name the kernel
  echo "$pkgbase" | install -Dm644 /dev/stdin "$modulesdir/pkgbase"

echo "Installing modules..."
  ZSTD_CLEVEL=19 _make INSTALL_MOD_PATH="$pkgdir/usr" INSTALL_MOD_STRIP=1 \
    DEPMOD=/doesnt/exist modules_install  # Suppress depmod

# remove build and source links
  rm "$modulesdir"/{source,build}
}

_package-headers() {
  pkgdesc="Headers and scripts for building modules for the $pkgdesc kernel"
  depends=(pahole)

cd $_srcname
  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"

echo "Installing build files..."
  install -Dt "$builddir" -m644 .config Makefile Module.symvers System.map \
    localversion.* version vmlinux
  install -Dt "$builddir/kernel" -m644 kernel/Makefile
  install -Dt "$builddir/arch/x86" -m644 arch/x86/Makefile
  cp -t "$builddir" -a scripts

# required when STACK_VALIDATION is enabled
  install -Dt "$builddir/tools/objtool" tools/objtool/objtool

# required when DEBUG_INFO_BTF_MODULES is enabled
  if [ -f "$builddir/tools/bpf/resolve_btfids" ]; then install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids ; fi

echo "Installing headers..."
  cp -t "$builddir" -a include
  cp -t "$builddir/arch/x86" -a arch/x86/include
  install -Dt "$builddir/arch/x86/kernel" -m644 arch/x86/kernel/asm-offsets.s

install -Dt "$builddir/drivers/md" -m644 drivers/md/*.h
  install -Dt "$builddir/net/mac80211" -m644 net/mac80211/*.h

# https://bugs.archlinux.org/task/13146
  install -Dt "$builddir/drivers/media/i2c" -m644 drivers/media/i2c/msp3400-driver.h

# https://bugs.archlinux.org/task/20402
  install -Dt "$builddir/drivers/media/usb/dvb-usb" -m644 drivers/media/usb/dvb-usb/*.h
  install -Dt "$builddir/drivers/media/dvb-frontends" -m644 drivers/media/dvb-frontends/*.h
  install -Dt "$builddir/drivers/media/tuners" -m644 drivers/media/tuners/*.h

# https://bugs.archlinux.org/task/71392
  install -Dt "$builddir/drivers/iio/common/hid-sensors" -m644 drivers/iio/common/hid-sensors/*.h

echo "Installing KConfig files..."
  find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;

echo "Removing unneeded architectures..."
  local arch
  for arch in "$builddir"/arch/*/; do
    [[ $arch = */x86/ ]] && continue
    echo "Removing $(basename "$arch")"
    rm -r "$arch"
  done

echo "Removing documentation..."
  rm -r "$builddir/Documentation"

echo "Removing broken symlinks..."
  find -L "$builddir" -type l -printf 'Removing %P\n' -delete

echo "Removing loose objects..."
  find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete

echo "Stripping build tools..."
  local file
  while read -rd '' file; do
    case "$(file -Sib "$file")" in
      application/x-sharedlib\;*)      # Libraries (.so)
        strip -v $STRIP_SHARED "$file" ;;
      application/x-archive\;*)        # Libraries (.a)
        strip -v $STRIP_STATIC "$file" ;;
      application/x-executable\;*)     # Binaries
        strip -v $STRIP_BINARIES "$file" ;;
      application/x-pie-executable\;*) # Relocatable binaries
        strip -v $STRIP_SHARED "$file" ;;
    esac
  done < <(find "$builddir" -type f -perm -u+x ! -name vmlinux -print0)

echo "Stripping vmlinux..."
  strip -v $STRIP_STATIC "$builddir/vmlinux"

echo "Adding symlink..."
  mkdir -p "$pkgdir/usr/src"
  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"
}

for _p in "${pkgname[@]}"; do
  eval "package_$_p() {
    $(declare -f "_package${_p#$pkgbase}")
    _package${_p#$pkgbase}
  }"
done

# vim:set ts=8 sts=2 sw=2 et:

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File PKGBUILD of Package linux-px (Revision e34ac9bfd5bd370c217e64a1a61ceb0e)

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