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path: root/kernels/linux-libre-xtreme/PKGBUILD
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# Maintainer: David P. <megver83@parabola.nu>
# Contributor: André Silva <emulatorman@hyperbola.info>
# Contributor: Márcio Silva <coadde@hyperbola.info>

# Based on linux package

_replacesarchkernel=('linux%') # '%' gets replaced with kernel suffix
_replacesoldkernels=() # '%' gets replaced with kernel suffix
_replacesoldmodules=() # '%' gets replaced with kernel suffix

pkgbase=linux-libre-xtreme
pkgver=5.3.13_gnu
_hrdedrel=a
pkgrel=1
pkgdesc='Security-Hardened Linux-libre (w/Apparmor by default)'
rcnver=5.3.10
rcnrel=armv7-x15
url='https://wiki.parabola.nu/Xtreme'
arch=(i686 x86_64 armv7h)
license=(GPL2)
makedepends=(
  xmlto kmod inetutils bc libelf
  python-sphinx python-sphinx_rtd_theme graphviz imagemagick
)
options=('!strip')
_srcname=linux-5.3
source=(
  "https://linux-libre.fsfla.org/pub/linux-libre/releases/${_srcname##*-}-gnu/linux-libre-${_srcname##*-}-gnu.tar.xz"{,.sign}
  "https://linux-libre.fsfla.org/pub/linux-libre/releases/${pkgver%_*}-gnu/patch-${_srcname##*-}-gnu-${pkgver%_*}-gnu.xz"{,.sign}
  "https://repo.parabola.nu/other/linux-libre/logos/logo_linux_"{clut224.ppm,vga16.ppm,mono.pbm}{,.sig}
  config.i686 config.x86_64 config.armv7h    # the main kernel config files
  linux-armv7h.preset                        # armv7h preset file for mkinitcpio ramdisk

  # maintain the TTY over USB disconnects
  # http://www.coreboot.org/EHCI_Gadget_Debug
  0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch
  # fix Atmel maXTouch touchscreen support
  # https://labs.parabola.nu/issues/877
  # http://www.fsfla.org/pipermail/linux-libre/2015-November/003202.html
  0002-fix-Atmel-maXTouch-touchscreen-support.patch

  # Arch's custom linux patches
  0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
  0002-Bluetooth-hidp-Fix-assumptions-on-the-return-value-o.patch
)
source_armv7h=(
  # armv7h patches, put in the source_armv7h variable just for a more comfortable loop patching

  # RCN patch (CM3 firmware deblobbed and AUFS/WireGuard removed)
  # Note: For stability reasons, AUFS has been removed in the RCN patch.
  # We are supporting AUFS in linux-libre-pck through PCK patch.
  # See https://wiki.parabola.nu/PCK for further details.
  "https://repo.parabola.nu/other/rcn-libre/patches/$rcnver/rcn-libre-$rcnver-$rcnrel.patch"{,.sig}

  # Arch Linux ARM patches
  0001-ARM-atags-add-support-for-Marvell-s-u-boot.patch
  0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch
  0003-SMILE-Plug-device-tree-file.patch
  0004-fix-mvsdio-eMMC-timing.patch
  0005-net-smsc95xx-Allow-mac-address-to-be-set-as-a-parame.patch
  0006-set-default-cubietruck-led-triggers.patch
  0007-exynos4412-odroid-set-higher-minimum-buck2-regulator.patch
  0008-ARM-dove-enable-ethernet-on-D3Plug.patch
  0009-USB-Armory-MkII-support.patch
)
source_x86_64=("https://github.com/anthraxx/linux-hardened/releases/download/${pkgver%_*}.$_hrdedrel/linux-hardened-${pkgver%_*}.$_hrdedrel.patch"{,.sig})
validpgpkeys=(
  '474402C8C582DAFBE389C427BCB7CF877E7D47A7' # Alexandre Oliva
  '65EEFE022108E2B708CBFCF7F9E712E59AF5F22A' # Daniel Micay
  '6DB9C4B4F0D8C0DC432CF6E4227CA7C556B2BA78' # David P.
  'E240B57E2C4630BA768E2F26FC1B547C8D8172C8' # Levente Polyak
)
sha512sums=('85d83c973ef96ab414354414da70ab3e1c3df19c3088458498cec1594952878b7967a8988bd9e36d4e728cc573a36e6eac056dbcab2f9aa742f18cbb4fb3164f'
            'SKIP'
            '3e9c95825f6852a0721a940c80b01b9772c17ae1680c1ce5a151e4f5b577a4a50f030aa0f2fbbc2b53b898b081bf33e67bfdeb513fe5535f95c4b479452264c3'
            'SKIP'
            '13cb5bc42542e7b8bb104d5f68253f6609e463b6799800418af33eb0272cc269aaa36163c3e6f0aacbdaaa1d05e2827a4a7c4a08a029238439ed08b89c564bb3'
            'SKIP'
            '7a3716bfe3b9f546da309c7492f3e08f8f506813afeb1c737a474c83313d5c313cf4582b65215c2cfce3b74d9d1021c96e8badafe8f6e5b01fe28d2b5c61ae78'
            'SKIP'
            '267295aa0cea65684968420c68b32f1a66a22d018b9d2b2c1ef14267bcf4cb68aaf7099d073cbfefe6c25c8608bdcbbd45f7ac8893fdcecbf1e621abdfe9ecc1'
            'SKIP'
            '6a25d32719af8f068ab0002881290c30bc2ee859781dcf9e71e156ac4beb9fbb72e19a079b9e9378c43d3649e4722b8f26ad48f739321c5832131b1ad3d4a2ac'
            'b62e3a4dba0c4e0cd254641ed186a0ff3a214c0d0e0e81b7eccdcc8980d6ab5cbd88e1e1a2730830d0ff4a7eb80b4ea4934f786bab4a02e24c8ba134cca78926'
            'e95afb5fad75b8d2fe31dc042c07b3b784f36e678cdb91ad7a5df79660c94cd74ad42ffd7ba5747db829eb5647fb56afa89bfda6022025e6c26b0dc0ebd5c4a0'
            'f01e7925b262d2874a8a991b1f27d057356a2a384d2012b61be5a631d4e4d7cf87461c8fb9e7f183831f5a829ad204897f1f0545a52df6288a0e04a5c2e31b96'
            '02af4dd2a007e41db0c63822c8ab3b80b5d25646af1906dc85d0ad9bb8bbf5236f8e381d7f91cf99ed4b0978c50aee37cb9567cdeef65b7ec3d91b882852b1af'
            'b8fe56e14006ab866970ddbd501c054ae37186ddc065bb869cf7d18db8c0d455118d5bda3255fb66a0dde38b544655cfe9040ffe46e41d19830b47959b2fb168'
            '5c48b0092ab6a31453e27e6345347fd2d066e1c306c4c8a9144260bf37d0d13879b5cfe688906a06627d39a40a37e229e5300a479b2c9159e93e05ea7adc6b0a'
            'b07d84cac1c784f5652a4681efd54ef89ce9cb0778bd2a633709b7150f9fb59db978dc290b92bcb69b8d211471c22a0be2a81a129318cd7efff601a3c591483c')
sha512sums_x86_64=('4df1d7be2823df714f9a1f5480ff2d5476929c58910fc4a6b1af3e4d325a4519072850dc0dc218ec402b17aa7456bc1596f95409f2f92717dc7cac07cb42b0b6'
                   'SKIP')
sha512sums_armv7h=('ffb94962db829fb1f86e3da3558f469dd51d12bb352f17a82daa67a03497b52409b2f53e52eb36569e7be8b3fa7460c3b3ce3ebe3589e8a202c45cbbde0d3162'
                   'SKIP'
                   '9724026836feefa67acb9644acf3ee89d465734af50b6637b8232b705c6259035d485cd1a1f0f08d189921eb75ad095b3e1f7f7e5e0e52302352c453f03ac820'
                   '41f9f7d58bb29311e09dd58105d173fb2e2a955c0e7d632bc8788c2f0a803a45281dfd2be1712d6ec93b58b9f440f3f8398f234bd7ded1c49b1c33b328478203'
                   '9d29a3d22aae6533d048280f3a1bf1cc325e1c1304268b6d129a29e1d74c105c55077306e6350105a9445e2a1de621cb6759b71177badbaa0e384e9800427acf'
                   'c7b99f64d148b7ef140d3621b3d3fa922739f2a393ce99038d0dd539d0bb8e2e3ffe92ccbc3fe9d8dea5f3f4ddc433eb6ddd9d46939f04f38cd82ee32f5d53ec'
                   '618d84d26338dfeb15c88fc6d9d7c68d0151f50e000032b2d21d30d05ec62f2d36ef5a50d3671e4e9777a2db6c40d71878a9fcc89420fbe9f59e7e30406c9064'
                   '464d1622fd79d7f6811799bd27e16204979db3c372e03aae8285fbff584d39928d7ddb5da8139f4ce535c70406fcf73cc20dd44ffe83fd7cda36ca915fb0b931'
                   '114067bfafa63bbb3aef73d05909b520355a757d15aa2ce07c6bfeae200192282782980b3d8963c0d984cf0c410d2613639444dffe21007ae6a7359be6a5ff76'
                   'c1191d35ef8ce8ffaa817e952916dfe5fff45758c13394bb3fc7eba7376fd2cdc94ef32a2a54d431d8258da10fa7ce2284b092b6871e9b357b71ac0144a655b8'
                   'e8e73026ac02645b5914ac97bfada4c94f48e490331a28960ee5939feb18dc5630831748cdd210b27d91590322cf564d3265feee9a8246a373cc117cd520c10d')

_replacesarchkernel=("${_replacesarchkernel[@]/\%/${pkgbase#linux-libre}}")
_replacesoldkernels=("${_replacesoldkernels[@]/\%/${pkgbase#linux-libre}}")
_replacesoldmodules=("${_replacesoldmodules[@]/\%/${pkgbase#linux-libre}}")

case "$CARCH" in
  i686|x86_64) KARCH=x86;;
  armv7h) KARCH=arm;;
esac

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

prepare() {
  cd $_srcname

  if [ "${_srcname##*-}" != "${pkgver%_*}" ]; then
    msg2 "Applying upstream patch..."
    patch -p1 -i ../patch-${_srcname##*-}-gnu-${pkgver%_*}-gnu
  fi

  msg2 "Adding freedo as boot logo..."
  install -m644 -t drivers/video/logo \
    ../logo_linux_{clut224.ppm,vga16.ppm,mono.pbm}

  msg2 "Setting version..."
  scripts/setlocalversion --save-scmversion
  echo "-$pkgrel" > localversion.10-pkgrel
  echo "${pkgbase#linux-libre}" > localversion.20-pkgname

  if [ "$CARCH" = "armv7h" ]; then
    local src_armv7h
    for src_armv7h in "${source_armv7h[@]}"; do
      src_armv7h="${src_armv7h%%::*}"
      src_armv7h="${src_armv7h##*/}"
      [[ $src_armv7h = *.patch ]] || continue
      msg2 "Applying patch $src_armv7h..."
      patch -Np1 < "../$src_armv7h"
    done
  elif [ "$CARCH" = "x86_64" ]; then
    local src_x86_64
    for src_x86_64 in "${source_x86_64[@]}"; do
      src_x86_64="${src_x86_64%%::*}"
      src_x86_64="${src_x86_64##*/}"
      [[ src_x86_64 = *.patch ]] || continue
      msg2 "Applying patch $src_x86_64..."
      patch -Np1 < "../$src_x86_64"
    done
  fi

  if ! [ "$CARCH" = "x86_64" ]; then
    local src
    for src in "${source[@]}"; do
      src="${src%%::*}"
      src="${src##*/}"
      [[ $src = *.patch ]] || continue
      msg2 "Applying patch $src..."
      patch -Np1 < "../$src"
    done
  fi

  msg2 "Setting config..."
  cp ../config.$CARCH .config
  make olddefconfig

  make -s kernelrelease > version
  msg2 "Prepared %s version %s" "$pkgbase" "$(<version)"
}

build() {
  cd $_srcname
  if [ "$CARCH" = "armv7h" ]; then
    make zImage modules htmldocs dtbs
  else
    make bzImage modules htmldocs
  fi
}

_package() {
  pkgdesc="The $pkgdesc kernel and modules"
  depends=(coreutils kmod initramfs)
  optdepends=('crda: to set the correct wireless channels of your country'
              'linux-libre-firmware: firmware images needed for some devices'
              'apparmor: to configure and enable mandatory access control for programs'
              'tomoyo-tools: to manage tomoyo userspace tools')
  optdepends_x86_64=('usbctl: deny_new_usb control')
  provides=("${_replacesarchkernel[@]/%/=${pkgver%%_*}}" "LINUX-ABI_VERSION=${pkgver%%_*}")
  conflicts=("${_replacesarchkernel[@]}" "${_replacesoldkernels[@]}" "${_replacesoldmodules[@]}")
  replaces=("${_replacesarchkernel[@]}" "${_replacesoldkernels[@]}" "${_replacesoldmodules[@]}")

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

  msg2 "Installing boot image..."
  if [ "$CARCH" = "armv7h" ]; then
    make INSTALL_DTBS_PATH="$pkgdir/boot/dtbs/$pkgbase" dtbs_install
  fi
  # systemd expects to find the kernel here to allow hibernation
  # https://github.com/systemd/systemd/commit/edda44605f06a41fb86b7ab8128dcf99161d2344
  install -Dm644 "$(make -s image_name)" "$modulesdir/vmlinuz"

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

  msg2 "Installing modules..."
  make INSTALL_MOD_PATH="$pkgdir/usr" modules_install

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

  # armv7h presets only work with ALL_kver=$kernver
  if [ "$CARCH" = "armv7h" ]; then
    backup=("etc/mkinitcpio.d/$pkgbase.preset")

    msg2 "Installing mkinitcpio preset..."
    sed "s|%PKGBASE%|$pkgbase|g;s|%KERNVER%|$kernver|g" ../linux-armv7h.preset \
      | install -Dm644 /dev/stdin "$pkgdir/etc/mkinitcpio.d/$pkgbase.preset"
  fi

  msg2 "Fixing permissions..."
  chmod -Rc u=rwX,go=rX "$pkgdir"
}

_package-headers() {
  pkgdesc="Header files and scripts for building modules for $pkgdesc kernel"
  provides=("${_replacesarchkernel[@]/%/-headers=${pkgver%%_*}}")
  conflicts=("${_replacesarchkernel[@]/%/-headers}" "${_replacesoldkernels[@]/%/-headers}")
  replaces=("${_replacesarchkernel[@]/%/-headers}" "${_replacesoldkernels[@]/%/-headers}")

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

  msg2 "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 "$builddir/arch/$KARCH" -m644 arch/$KARCH/Makefile
  if [[ $CARCH = i686 ]]; then
    install -Dt "$builddir/arch/$KARCH" -m644 arch/$KARCH/Makefile_32.cpu
  fi
  cp -t "$builddir" -a scripts

  # add objtool for external module building and enabled VALIDATION_STACK option
  if [[ -e tools/objtool/objtool ]]; then
    install -Dt "$builddir/tools/objtool" tools/objtool/objtool
  fi

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

  msg2 "Installing headers..."
  cp -t "$builddir" -a include
  cp -t "$builddir/arch/$KARCH" -a arch/$KARCH/include
  install -Dt "$builddir/arch/$KARCH/kernel" -m644 arch/$KARCH/kernel/asm-offsets.s

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

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

  # http://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

  msg2 "Installing KConfig files..."
  find . -name 'Kconfig*' -exec install -Dm644 {} "$builddir/{}" \;

  msg2 "Removing unneeded architectures..."
  local arch
  for arch in "$builddir"/arch/*/; do
    [[ $arch = */$KARCH/ ]] && continue
    echo "Removing $(basename "$arch")"
    rm -r "$arch"
  done

  msg2 "Removing documentation..."
  rm -r "$builddir/Documentation"

  # Parabola changes
  # 
  # since we don't want to diverge too much from Arch's PKGBUILD, we'll
  # start marking our changes as such
  if [ "$CARCH" = "armv7h" ]; then
    for i in dove exynos omap2; do
      mkdir -p "$pkgdir/usr/lib/modules/$kernver/build/arch/$KARCH/mach-$i"
      cp -a arch/$KARCH/mach-$i/include "$pkgdir/usr/lib/modules/$kernver/build/arch/$KARCH/mach-$i/"
    done
    for i in omap orion samsung versatile; do
      mkdir -p "$pkgdir/usr/lib/modules/$kernver/build/arch/$KARCH/plat-$i"
      cp -a arch/$KARCH/plat-$i/include "$pkgdir/usr/lib/modules/$kernver/build/arch/$KARCH/plat-$i/"
    done
  fi
  # end of Parabola changes

  msg2 "Removing broken symlinks..."
  find -L "$builddir" -type l -printf 'Removing %P\n' -delete

  msg2 "Removing loose objects..."
  find "$builddir" -type f -name '*.o' -printf 'Removing %P\n' -delete

  msg2 "Stripping build tools..."
  local file
  while read -rd '' file; do
    case "$(file -bi "$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)

  msg2 "Adding symlink..."
  mkdir -p "$pkgdir/usr/src"
  ln -sr "$builddir" "$pkgdir/usr/src/$pkgbase"

  msg2 "Fixing permissions..."
  chmod -Rc u=rwX,go=rX "$pkgdir"
}

_package-docs() {
  pkgdesc="Kernel hacker's manual for the $pkgdesc kernel"
  provides=("${_replacesarchkernel[@]/%/-docs=${pkgver%%_*}}")
  conflicts=("${_replacesarchkernel[@]/%/-docs}" "${_replacesoldkernels[@]/%/-docs}")
  replaces=("${_replacesarchkernel[@]/%/-docs}" "${_replacesoldkernels[@]/%/-docs}")

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

  msg2 "Installing documentation..."
  mkdir -p "$builddir"
  cp -t "$builddir" -a Documentation

  msg2 "Removing unneeded files..."
  rm -rv "$builddir"/Documentation/{,output/}.[^.]*

  msg2 "Moving HTML docs..."
  local src dst
  while read -rd '' src; do
    dst="$builddir/Documentation/${src#$builddir/Documentation/output/}"
    mkdir -p "${dst%/*}"
    mv "$src" "$dst"
    rmdir -p --ignore-fail-on-non-empty "${src%/*}"
  done < <(find "$builddir/Documentation/output" -type f -print0)

  msg2 "Adding symlink..."
  mkdir -p "$pkgdir/usr/share/doc"
  ln -sr "$builddir/Documentation" "$pkgdir/usr/share/doc/$pkgbase"

  msg2 "Fixing permissions..."
  chmod -Rc u=rwX,go=rX "$pkgdir"
}

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

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