jobcore/linux-lts/PKGBUILD

#!/usr/bin/bash
# JOBoRun		: Jwm OpenBox Obarun RUNit
# Maintainer	: Joe Bo Run <joborun@disroot.org>
# PkgSource		: url="https://gittea.disroot.org/joborun-pkg/jobcore/$pkgname"
# Website		: https://pozol.eu
#-----------------------------------------| DESCRIPTION |---------------------------------------

pkgbase=linux-lts
pkgver=5.10.188
pkgrel=01
pkgdesc='LTS Linux 5.10 w/o zstd & ipv6 + nvme-fix patch'
_url="https://www.kernel.org/"
makedepends=(bc kmod libelf pahole cpio perl tar xz 
  kmod xmlto python-sphinx python-sphinx_rtd_theme
  graphviz imagemagick) # python-six 
options=('!strip')
_srcname=linux-$pkgver
url="https://cdn.kernel.org/pub/linux/kernel"
source=($url/v5.x/$_srcname.tar.{xz,sign}
  config         # the main kernel config file
  0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
  0002-fix-nvme.patch
  sha256sums::https://cdn.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
)
 # https://build.opensuse.org/package/show/home:curb:ArchLinux/linux-lts510


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

prepare() {
  cd $_srcname

  echo "Setting version... $pkgver"
  scripts/setlocalversion --save-scmversion
  echo "-$pkgrel" > localversion.10-pkgrel
  echo "${pkgbase#linux}" > localversion.20-pkgname

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

  echo "Setting joborun config..."
  cp ../config .config
  make olddefconfig
#  diff -u ../config .config || :

  make -s kernelrelease > version
  echo "Prepared $pkgbase version $(<version)"
}

build() {
  cd $_srcname
  make all
}
##  make htmldocs

_package() {
  pkgdesc="The $pkgdesc kernel and modules w/o zstd ipv6 touchscreen"
  depends=(coreutils kmod initramfs)
  optdepends=('wireless-regdb: to set the correct wireless channels of your country'
              'linux-firmware: firmware images needed for some devices')
  provides=(VIRTUALBOX-GUEST-MODULES WIREGUARD-MODULE)
  replaces=(virtualbox-guest-modules wireguard)

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

  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..."
  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
  # add objtool for external module building and enabled VALIDATION_STACK option
  install -Dt "$builddir/tools/objtool" tools/objtool/objtool

  # add xfs and shmem for aufs building
  mkdir -p "$builddir"/{fs/xfs,mm}

  # required when DEBUG_INFO_BTF_MODULES is enabled
  install -Dt "$builddir/tools/bpf/resolve_btfids" tools/bpf/resolve_btfids/resolve_btfids

  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"
}

#_package-docs() {
#  pkgdesc="Documentation for the $pkgdesc kernel"
#
#  cd $_srcname
#  local builddir="$pkgdir/usr/lib/modules/$(<version)/build"
#
#  echo "Installing documentation..."
#  local src dst
#  while read -rd '' src; do
#    dst="${src#Documentation/}"
#    dst="$builddir/Documentation/${dst#output/}"
#    install -Dm644 "$src" "$dst"
#  done < <(find Documentation -name '.*' -prune -o ! -type d -print0)
#
#  echo "Adding symlink..."
#  mkdir -p "$pkgdir/usr/share/doc"
#  ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"
#}

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

#---- arch license gpg-key & sha256sums ----

arch=(x86_64)

license=(GPL2)

validpgpkeys=(ABAF11C65A2970B130ABE3C479BE3E4300411886 # Linus Torvalds
	647F28654894E3BD457199BE38DBBDC86092693E) # Greg Kroah-Hartman

# https://cdn.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
# sha256sums:c9558bab35e23ae67661bfb3192c609c857f78582a035449ae63e33d04ab6112  linux-5.10.188.tar.xz

sha256sums=(c9558bab35e23ae67661bfb3192c609c857f78582a035449ae63e33d04ab6112  # linux-5.10.188.tar.xz
	bd60b595855bb1742fb979e9300e4c1c53689b67697f37d2eafd577940a0ccbd  # linux-5.10.188.tar.sign
	4076fafd2c0a4fbcf76a41b8db47c75d2d6ca4a791d0ec18621410ae2bc000f3  # config
	96a72e1652314215da7140956c3abcf495cafd00811eda3cf4ce03ec5f791f1e  # 0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
	0e14c0d788262a9781d8ba1d6e894f30877f015ccf0b6d768d759eac48bcede9  # 0002-fix-nvme.patch
	4d526a76636cc3cf23f9b5b2dd13064d7e885e620f800521158244195e0aff40) # sha256sums 

##  59d9b93b44774ef6db169c4fa44b4f77f9758283c5f3f5d34f1be28e88a4a194  linux-lts-5.10.188-01-x86_64.pkg.tar.lz
##  f8a4811b4372e04bd5847b54c3757536256506768084e9773a67e8154a389287  linux-lts-headers-5.10.188-01-x86_64.pkg.tar.lz