PKGBUILDs/extra/chromium/PKGBUILD

# $Id$
# Maintainer: Evangelos Foutras <evangelos@foutrelis.com>
# Contributor: Pierre Schmitz <pierre@archlinux.de>
# Contributor: Jan "heftig" Steffens <jan.steffens@gmail.com>
# Contributor: Daniel J Griffiths <ghost1227@archlinux.us>

# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
#  - makeflags to -j4 on v7, RAM constraints
#  - patch to fix GN ARM toolchain definitions

buildarch=12
highmem=1

pkgname=chromium
pkgver=62.0.3202.94
pkgrel=1
_launcher_ver=5
pkgdesc="A web browser built for speed, simplicity, and security"
arch=('i686' 'x86_64' 'armv7h' 'aarch64')
url="https://www.chromium.org/Home"
license=('BSD')
depends=('gtk3' 'nss' 'alsa-lib' 'xdg-utils' 'libxss' 'libcups' 'libgcrypt'
         'ttf-font' 'systemd' 'dbus' 'libpulse' 'pciutils' 'json-glib'
         'desktop-file-utils' 'hicolor-icon-theme')
makedepends=('python2' 'gperf' 'yasm' 'mesa' 'ninja' 'nodejs' 'git')
optdepends=('kdialog: needed for file dialogs in KDE'
            'gnome-keyring: for storing passwords in GNOME keyring'
            'kwallet: for storing passwords in KWallet')
install=chromium.install
source=(https://commondatastorage.googleapis.com/chromium-browser-official/$pkgname-$pkgver.tar.xz
        chromium-launcher-$_launcher_ver.tar.gz::https://github.com/foutrelis/chromium-launcher/archive/v$_launcher_ver.tar.gz
        chromium.desktop
        breakpad-use-ucontext_t.patch
        crc32c-string-view-check.patch
        chromium-gn-bootstrap-r17.patch
        chromium-widevine.patch
        0001-ARM-toolchain-fixes.patch)
sha256sums=('cabc4d267bf08aabe11c5739048c43dde18c61acf595223a1c3aa1d3499558d4'
            '4dc3428f2c927955d9ae117f2fb24d098cc6dd67adb760ac9c82b522ec8b0587'
            '028a748a5c275de9b8f776f97909f999a8583a4b77fd1cd600b4fc5c0c3e91e9'
            '6e9a345f810d36068ee74ebba4708c70ab30421dad3571b6be5e9db635078ea8'
            '35435e8dae76737baafecdc76d74a1c97281c4179e416556e033a06a31468e6d'
            'd81319f168dad0e411c8e810f73daa2f56ff579578771bd9c9bb1aa2d7c09a8b'
            'd6fdcb922e5a7fbe15759d39ccc8ea4225821c44d98054ce0f23f9d1f00c9808'
            '8489d2a85b32e9b08f5c30d47b40ae41911d1915f48b6de3c41fe350dfecfef6')

# Possible replacements are listed in build/linux/unbundle/replace_gn_files.py
# Keys are the names in the above script; values are the dependencies in Arch
declare -rgA _system_libs=(
  [ffmpeg]=ffmpeg
  [flac]=flac
  #[freetype]=freetype2      # https://crbug.com/pdfium/733
  [harfbuzz-ng]=harfbuzz-icu
  #[icu]=icu                 # https://crbug.com/772655
  [libdrm]=
  [libjpeg]=libjpeg
  #[libpng]=libpng           # https://crbug.com/752403#c10
  #[libvpx]=libvpx           # https://bugs.gentoo.org/611394
  [libwebp]=libwebp
  [libxml]=libxml2
  [libxslt]=libxslt
  [opus]=opus
  [re2]=re2
  [snappy]=snappy
  [yasm]=
  [zlib]=minizip
)
depends+=(${_system_libs[@]})

# Google API keys (see https://www.chromium.org/developers/how-tos/api-keys)
# Note: These are for Arch Linux use ONLY. For your own distribution, please
# get your own set of keys.
#  - Arch Linux ARM has obtained permission to use the Arch Linux keys.
_google_api_key=AIzaSyDwr302FpOSkGRpLlUpPThNTDPbXcIn_FM
_google_default_client_id=413772536636.apps.googleusercontent.com
_google_default_client_secret=0ZChLK6AxeA3Isu96MkwqDR4

prepare() {
  cd "$srcdir/$pkgname-$pkgver"

  # https://crbug.com/710701
  local _chrome_build_hash=$(curl -s https://chromium.googlesource.com/chromium/src.git/+/$pkgver?format=TEXT |
    base64 -d | grep -Po '^parent \K[0-9a-f]{40}$')
  if [[ -z $_chrome_build_hash ]]; then
    error "Unable to fetch Chrome build hash."
    return 1
  fi
  echo "LASTCHANGE=$_chrome_build_hash-" >build/util/LASTCHANGE

  # Arch Linux ARM fixes
  patch -Np1 -i ../0001-ARM-toolchain-fixes.patch

  [[ $CARCH == "armv7h" ]] && MAKEFLAGS="-j4" && CFLAGS=`echo $CFLAGS | sed -e 's/vfpv3-d16/neon/'` && CXXFLAGS="$CFLAGS"

  # Enable support for the Widevine CDM plugin
  # libwidevinecdm.so is not included, but can be copied over from Chrome
  # (Version string doesn't seem to matter so let's go with "Pinkie Pie")
  sed "s/@WIDEVINE_VERSION@/Pinkie Pie/" ../chromium-widevine.patch |
    patch -Np1

  # Fix build with glibc 2.26
  patch -Np1 -i ../breakpad-use-ucontext_t.patch

  # Fix incorrect inclusion of <string_view> in modes other than >= C++17
  patch -Np1 -d third_party/crc32c/src <../crc32c-string-view-check.patch

  # Fixes from Gentoo
  patch -Np1 -i ../chromium-gn-bootstrap-r17.patch

  # Use Python 2
  find . -name '*.py' -exec sed -i -r 's|/usr/bin/python$|&2|g' {} +

  # There are still a lot of relative calls which need a workaround
  mkdir "$srcdir/python2-path"
  ln -s /usr/bin/python2 "$srcdir/python2-path/python"

  mkdir -p third_party/node/linux/node-linux-x64/bin
  ln -s /usr/bin/node third_party/node/linux/node-linux-x64/bin/

  # Remove bundled libraries for which we will use the system copies; this
  # *should* do what the remove_bundled_libraries.py script does, with the
  # added benefit of not having to list all the remaining libraries
  local _lib
  for _lib in ${!_system_libs[@]} ${_system_libs[libjpeg]+libjpeg_turbo}; do
    find -type f -path "*third_party/$_lib/*" \
      \! -path "*third_party/$_lib/chromium/*" \
      \! -path "*third_party/$_lib/google/*" \
      \! -path "*base/third_party/icu/*" \
      \! -regex '.*\.\(gn\|gni\|isolate\|py\)' \
      -delete
  done

  python2 build/linux/unbundle/replace_gn_files.py \
    --system-libraries "${!_system_libs[@]}"
}

build() {
  make -C chromium-launcher-$_launcher_ver

  cd "$srcdir/$pkgname-$pkgver"

  export PATH="$srcdir/python2-path:$PATH"
  export TMPDIR="$srcdir/temp"
  mkdir -p "$TMPDIR"

  local _flags=(
    'is_clang=false'
    'clang_use_chrome_plugins=false'
    'is_debug=false'
    'fatal_linker_warnings=false'
    'treat_warnings_as_errors=false'
    'fieldtrial_testing_like_official_build=true'
    'remove_webcore_debug_symbols=true'
    'ffmpeg_branding="Chrome"'
    'proprietary_codecs=true'
    'link_pulseaudio=true'
    'use_gtk3=true'
    'use_gconf=false'
    'use_gnome_keyring=false'
    'use_gold=false'
    'use_sysroot=false'
    'linux_use_bundled_binutils=false'
    'use_custom_libcxx=false'
    'enable_hangout_services_extension=true'
    'enable_widevine=true'
    'enable_nacl=false'
    'enable_swiftshader=false'
    "google_api_key=\"${_google_api_key}\""
    "google_default_client_id=\"${_google_default_client_id}\""
    "google_default_client_secret=\"${_google_default_client_secret}\""
  )

  if check_option strip y; then
    _flags+=('exclude_unwind_tables=true')
  fi

  python2 tools/gn/bootstrap/bootstrap.py --gn-gen-args "${_flags[*]}"
  out/Release/gn gen out/Release --args="${_flags[*]}" \
    --script-executable=/usr/bin/python2

  ninja -C out/Release chrome chrome_sandbox chromedriver widevinecdmadapter
}

package() {
  cd chromium-launcher-$_launcher_ver
  make PREFIX=/usr DESTDIR="$pkgdir" install
  install -Dm644 LICENSE \
    "$pkgdir/usr/share/licenses/chromium/LICENSE.launcher"

  cd "$srcdir/$pkgname-$pkgver"

  install -D out/Release/chrome "$pkgdir/usr/lib/chromium/chromium"
  install -Dm644 out/Release/chrome.1 "$pkgdir/usr/share/man/man1/chromium.1"
  install -Dm644 "$srcdir/chromium.desktop" \
    "$pkgdir/usr/share/applications/chromium.desktop"

  install -Dm4755 out/Release/chrome_sandbox \
    "$pkgdir/usr/lib/chromium/chrome-sandbox"

  cp -a \
    out/Release/{chrome_{100,200}_percent,resources}.pak \
    out/Release/{*.bin,chromedriver,libwidevinecdmadapter.so} \
    out/Release/locales \
    "$pkgdir/usr/lib/chromium/"

  if [[ -z ${_system_libs[icu]+set} ]]; then
    cp out/Release/icudtl.dat "$pkgdir/usr/lib/chromium/"
  fi

  ln -s /usr/lib/chromium/chromedriver "$pkgdir/usr/bin/chromedriver"

  for size in 22 24 48 64 128 256; do
    install -Dm644 "chrome/app/theme/chromium/product_logo_$size.png" \
      "$pkgdir/usr/share/icons/hicolor/${size}x${size}/apps/chromium.png"
  done

  for size in 16 32; do
    install -Dm644 "chrome/app/theme/default_100_percent/chromium/product_logo_$size.png" \
      "$pkgdir/usr/share/icons/hicolor/${size}x${size}/apps/chromium.png"
  done

  install -Dm644 LICENSE "$pkgdir/usr/share/licenses/chromium/LICENSE"
}

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