path: root/libre/linux-libre-lts/PKGBUILD

# Maintainer: David P. <megver83@parabola.nu>
# Contributor: André Silva <emulatorman@hyperbola.info>
# Contributor: Márcio Silva <coadde@hyperbola.info>
# Contributor: fauno <fauno@parabola.nu>
# Contributor: Sorin-Mihai Vârgolici <smv@yobicore.org>
# Contributor: Michał Masłowski <mtjm@mtjm.eu>
# Contributor: Luke R. <g4jc@openmailbox.org>
# Contributor: Andreas Grapentin <andreas@grapentin.org>

# Based on linux-lts package

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

pkgbase=linux-libre-lts
pkgver=4.19.97
pkgrel=1
pkgdesc='LTS Linux-libre'
rcnver=4.19.94
rcnrel=armv7-x43
url='https://linux-libre.fsfla.org/'
arch=(i686 x86_64 armv7h)
license=(GPL2)
makedepends=(
  bc kmod libelf
  xmlto python-sphinx python-sphinx_rtd_theme graphviz imagemagick
)
options=('!strip')
_srcname=linux-4.19
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

  # linux-lts patches
  0001-ZEN-Add-sysctl-and-CONFIG-to-disallow-unprivileged-C.patch
)
source_armv7h=(
  # RCN patch (CM3 firmware deblobbed and bloatware removed)
  "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
)
validpgpkeys=(
  '474402C8C582DAFBE389C427BCB7CF877E7D47A7' # Alexandre Oliva
  '6DB9C4B4F0D8C0DC432CF6E4227CA7C556B2BA78' # David P.
)
sha512sums=('5bc800b3beff43a8c15bd5515f4e0babe2beb5fa600491b7b37110e22d9b739d293f1e38753ed681be289c51390e0e64b3e60ce0db0a3bfe1f94ee5c014579a3'
            'SKIP'
            '7b597f115f23bf014564333ad7cf3a06babde063017bc47b20cb6902b29517dd703e8259546d0578dfcaea10ea223d4ca3c8d07e07ef1e3aec54e904af3d09f9'
            'SKIP'
            '13cb5bc42542e7b8bb104d5f68253f6609e463b6799800418af33eb0272cc269aaa36163c3e6f0aacbdaaa1d05e2827a4a7c4a08a029238439ed08b89c564bb3'
            'SKIP'
            '7a3716bfe3b9f546da309c7492f3e08f8f506813afeb1c737a474c83313d5c313cf4582b65215c2cfce3b74d9d1021c96e8badafe8f6e5b01fe28d2b5c61ae78'
            'SKIP'
            '267295aa0cea65684968420c68b32f1a66a22d018b9d2b2c1ef14267bcf4cb68aaf7099d073cbfefe6c25c8608bdcbbd45f7ac8893fdcecbf1e621abdfe9ecc1'
            'SKIP'
            'dc0be585b35a3c061d4fb67409760a499fe025d96fe318166c3d75e3936e5cce5ddd7be3deabb48b69b5d0fff77d5516ee2c614cf28e67f258c90d8f2fd43961'
            '8eb3f371a387f5f5093dc2ad041de8dfe17737a03223b707db12e92c91ff95f79c3978a88f929f60e893d76f0f90c562c92e8f469b3bf2bd8d7375e3428b2487'
            '861a83cb9746b6d981e07d18b0293298c0e7a5d10ad592bb8defbd235a0efac30ce6c2328f34a162943aa33fa05f2b4367adf394aa815875eda0103bdf4e172c'
            'f01e7925b262d2874a8a991b1f27d057356a2a384d2012b61be5a631d4e4d7cf87461c8fb9e7f183831f5a829ad204897f1f0545a52df6288a0e04a5c2e31b96'
            '02af4dd2a007e41db0c63822c8ab3b80b5d25646af1906dc85d0ad9bb8bbf5236f8e381d7f91cf99ed4b0978c50aee37cb9567cdeef65b7ec3d91b882852b1af'
            'b8fe56e14006ab866970ddbd501c054ae37186ddc065bb869cf7d18db8c0d455118d5bda3255fb66a0dde38b544655cfe9040ffe46e41d19830b47959b2fb168'
            '5f196378d50dd737d727e424d8f31b7fa8a6b92ba88f0a1467ef79bc37a097160da1fc1fd5cfb4b8983f36f2afdf27eb229ec61b35a15ac2343d660eb416a230')
sha512sums_armv7h=('9f0848b4714eaf05546008d852e4e391b4777e26cd37cf9d5d6a69d50c7edfd2d6a768bb8d9ff9506880ba650a7f857e12f76b482017b65ed5d21ebbbab6e83d'
                   'SKIP'
                   '60aa432465eb3ac10f565799d3dfecea21aaf08e83909c1161d9359e932626edbd1353e712d616c3d785c65a0f699e9c45df35bd9e86365c25399c6b2d45b9e4'
                   '86809feb5ae2759b449ec0cb7a6b3fb457874ed82a72dfda00607e8819c804a0714b5d6a17cbbba44996a36872224af42d1b85f1b3932f43bccb419041d25dc7'
                   '746acff348d62b3ed4e62cd9976ddf0af47f87bd3cffda90cbb00a6b57d589ccb681fcd9541ee5bdd179d95dad71d57c77cb1a60faee1c6cef518e4055c3456f'
                   'c945e871fa456b521ced77cae9081bcdc47d836ecdabe6766e373681fe11fda3e5a7a3c16f70c586be64a1eb5c9136c43b0a44df897298940fd8703b50b0a543'
                   '054e98a2d1ea83cece1fe55ae087b282f25593022f252c74612d4aeb2a547f84ea626e3d982098ca798271af55f3b733ac2aea2fc0d9cad031802d2901dfe4ca'
                   '4433f9e780a72347313916c8a9cbcbce3a8c40e1b299e887dc748d257879fb5fab8f1683936339f73a4d4b4ef668b1ed6cc0d9a19ed4bd99039a1613ac08610e'
                   'd1361d23ae79599e3fa94cba206bd40764f9eee0c584e639af13828dabb7f0dfa361792c098b5afae0bb350407b2dc47a1d67580daeade7a4f3e3e55e42c8470'
                   'c1653f91067d31801a23450175e47968add147477caf20aec6092831739641312f4ad995af43c7e55545007279016b5f62a0720d31e4591b4421a65b8bd5b398')

_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
    echo "Applying upstream patch..."
    patch -Np1 -i ../patch-${_srcname##*-}-gnu-$pkgver-gnu
  fi

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

  echo "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
      echo "Applying patch $src_armv7h..."
      patch -Np1 < "../$src_armv7h"
    done
  fi

  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.$CARCH .config
  make olddefconfig

  make -s kernelrelease > version
  echo "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 $pkgdesc kernel and modules"
  depends=(coreutils kmod initramfs)
  optdepends=('crda: to set the correct wireless channels of your country'
              'linux-libre-firmware: firmware images needed for some devices')
  provides=("${_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"

  echo "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"

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

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

    echo "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

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

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

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

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

  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 "$builddir/arch/$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}

  # this is gone in v5.3
  mkdir "$builddir/.tmp_versions"

  echo "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

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

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

  echo "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

  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 "$(file -bi "$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)

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

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

_package-docs() {
  pkgdesc="Documentation 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"

  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"

  echo "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: