Overview

File PKGBUILD of Package ungoogled-chromium

# shellcheck disable=SC2034,SC2154,SC2164

# Maintainer: Seppia <seppia@seppio.fish>
# Maintainer: JustKidding <jk@vin.ovh>
 
# Based on extra/chromium, with ungoogled-chromium patches

# 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>

pkgname=ungoogled-chromium
pkgver=126.0.6478.126
pkgrel=1
_launcher_ver=8
_manual_clone=0
_system_clang=1
pkgdesc="A lightweight approach to removing Google web service dependency"
arch=('x86_64')
url="https://github.com/ungoogled-software/ungoogled-chromium"
license=('BSD-3-Clause')
depends=('gtk3' 'nss' 'alsa-lib' 'xdg-utils' 'libxss' 'libcups' 'libgcrypt' 'ttf-liberation' 'systemd' 'dbus' 'libpulse' 'pciutils' 'libva' 'libffi' 'desktop-file-utils' 'hicolor-icon-theme' 'fontconfig' 'brotli' 'libjpeg' 'icu' 'dav1d' 'flac' 'libxml2' 'libwebp' 'minizip' 'opus' 'harfbuzz' 'libxslt' 'libpng' 'freetype2' )
makedepends=('python' 'gn' 'ninja' 'clang' 'lld' 'gperf' 'nodejs' 'pipewire' 'rust' 'qt5-base' 'qt6-base'  'git' 'jack' 'jre-openjdk-headless' 'wayland-protocols')
optdepends=('pipewire: WebRTC desktop sharing under Wayland'
            'kdialog: support for native dialogs in Plasma'
            'gtk4: for --gtk-version=4 (GTK4 IME might work better on Wayland)'
            'org.freedesktop.secrets: password storage backend on GNOME / Xfce'
            'kwallet: support for storing passwords in KWallet on Plasma')
options=('!lto') # Chromium adds its own flags for ThinLTO
source=(https://commondatastorage.googleapis.com/chromium-browser-official/chromium-$pkgver.tar.xz
        https://github.com/foutrelis/chromium-launcher/archive/v$_launcher_ver/chromium-launcher-$_launcher_ver.tar.gz
        https://gitlab.com/Matt.Jolly/chromium-patches/-/archive/${pkgver%%.*}/chromium-patches-${pkgver%%.*}.tar.bz2
        allow-ANGLEImplementation-kVulkan.patch
        drop-flag-unsupported-by-clang17.patch
        compiler-rt-adjust-paths.patch
        use-oauth2-client-switches-as-default.patch)
sha256sums=('5d5206637e659f03e006cd8b6b269c49c0c2c697d10517e14dbcea851831e143'
            '213e50f48b67feb4441078d50b0fd431df34323be15be97c55302d3fdac4483a'
            'daf0df74d2601c35fd66a746942d9ca3fc521ede92312f85af51d94c399fd6e0'
            '8f81059d79040ec598b5fb077808ec69d26d6c9cbebf9c4f4ea48b388a2596c5'
            '028acc97299cec5d1ed9f456bbdc462807fa491277d266db2aa1d405d3cd753d'
            'b3de01b7df227478687d7517f61a777450dca765756002c80c4915f271e2d961'
            'a9b417b96daec33c9059065e15b3a92ae1bf4b59f89d353659b335d9e0379db6')

if (( _manual_clone )); then
  source[0]=fetch-chromium-release
  makedepends+=('python-httplib2' 'python-pyparsing' 'python-six')
fi

provides=("chromium=${pkgver}" "chromedriver=${pkgver}")
conflicts=('chromium' 'chromedriver')
_uc_usr=ungoogled-software
_uc_ver=$pkgver-1
optdepends=("${optdepends[@]}"
            'chromium-extension-web-store: Web Store Functionality')
source=("${source[@]}"
        "$pkgname-$_uc_ver.tar.gz::https://github.com/$_uc_usr/ungoogled-chromium/archive/$_uc_ver.tar.gz"
        ninja-out-of-order-generation-fix.patch
        0001-vaapi-flag-ozone-wayland.patch
        0001-adjust-buffer-format-order.patch
        0001-enable-linux-unstable-deb-target.patch
        0001-ozone-wayland-implement-text_input_manager_v3.patch
        0001-ozone-wayland-implement-text_input_manager-fixes.patch)
sha256sums=("${sha256sums[@]}"
            'b901f4a6a0401facb6bbe6645eac62f4af902f6885e27d35cc354c49ebe191b8'
            '813e6a1209ab72e4ab34f5f062412087e9664189d7b8f1dc1d0bb9481c574c45'
            '9a5594293616e1390462af1f50276ee29fd6075ffab0e3f944f6346cb2eb8aec'
            '8ba5c67b7eb6cacd2dbbc29e6766169f0fca3bbb07779b1a0a76c913f17d343f'
            '2a44756404e13c97d000cc0d859604d6848163998ea2f838b3b9bb2c840967e3'
            'd9974ddb50777be428fd0fa1e01ffe4b587065ba6adefea33678e1b3e25d1285'
            'a2da75d0c20529f2d635050e0662941c0820264ea9371eb900b9d90b5968fa6a')
 
# 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 -gA _system_libs=(
  [brotli]=brotli
  [dav1d]=dav1d
  #[ffmpeg]=ffmpeg    # YouTube playback stopped working in Chromium 120
  [flac]=flac
  [fontconfig]=fontconfig
  [freetype]=freetype2
  [harfbuzz-ng]=harfbuzz
  [icu]=icu
  #[jsoncpp]=jsoncpp  # needs libstdc++
  #[libaom]=aom
  #[libavif]=libavif  # needs https://github.com/AOMediaCodec/libavif/commit/5410b23f76
  [libdrm]=
  [libjpeg]=libjpeg
  [libpng]=libpng
  #[libvpx]=libvpx
  [libwebp]=libwebp
  [libxml]=libxml2
  [libxslt]=libxslt
  [opus]=opus
  #[re2]=re2          # needs libstdc++
  #[snappy]=snappy    # needs libstdc++
  #[woff2]=woff2      # needs libstdc++
  [zlib]=minizip
)
_unwanted_bundled_libs=(
  $(printf "%s\n" ${!_system_libs[@]} | sed 's/^libjpeg$/&_turbo/')
)

# 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.
#
# Starting with Chromium 89 (2021-03-02) the OAuth2 credentials have been left
# out: https://archlinux.org/news/chromium-losing-sync-support-in-early-march/
_google_api_key=AIzaSyDwr302FpOSkGRpLlUpPThNTDPbXcIn_FM

prepare() {
  if (( _manual_clone )); then
    ./fetch-chromium-release $pkgver
  fi
  cd chromium-$pkgver

  # Allow building against system libraries in official builds
  sed -i 's/OFFICIAL_BUILD/GOOGLE_CHROME_BUILD/' \
    tools/generate_shim_headers/generate_shim_headers.py

  # https://crbug.com/893950
  sed -i -e 's/\<xmlMalloc\>/malloc/' -e 's/\<xmlFree\>/free/' \
         -e '1i #include <cstdlib>' \
    third_party/blink/renderer/core/xml/*.cc \
    third_party/blink/renderer/core/xml/parser/xml_document_parser.cc \
    third_party/libxml/chromium/*.cc \
    third_party/maldoca/src/maldoca/ole/oss_utils.h

  # Use the --oauth2-client-id= and --oauth2-client-secret= switches for
  # setting GOOGLE_DEFAULT_CLIENT_ID and GOOGLE_DEFAULT_CLIENT_SECRET at
  # runtime -- this allows signing into Chromium without baked-in values
  patch -Np1 -i ../use-oauth2-client-switches-as-default.patch

  # Upstream fixes
  patch -Np1 -i ../allow-ANGLEImplementation-kVulkan.patch

  # Drop compiler flag that needs newer clang
  patch -Np1 -i ../drop-flag-unsupported-by-clang17.patch

  # Allow libclang_rt.builtins from compiler-rt >= 16 to be used
  patch -Np1 -i ../compiler-rt-adjust-paths.patch

  # Fixes for building with libstdc++ instead of libc++
  patch -Np1 -i ../chromium-patches-*/chromium-117-material-color-include.patch

  # Custom Patches
  sed -i '/^bool IsHevcProfileSupported(const VideoType& type) {$/{s++bool IsHevcProfileSupported(const VideoType\& type) { return true;+;h};${x;/./{x;q0};x;q1}' \
			media/base/supported_types.cc

  # Implement text_input_manager_v3
  # https://chromium-review.googlesource.com/c/chromium/src/+/3750452
  #patch -Np1 -i ../0001-ozone-wayland-implement-text_input_manager_v3.patch
  #patch -Np1 -i ../0001-ozone-wayland-implement-text_input_manager-fixes.patch
  #patch -Np1 -i ../ninja-out-of-order-generation-fix.patch

  # Enable VAAPI on Wayland
  # https://discourse.ubuntu.com/t/chromium-hardware-accelerated-build-for-intel-based-platforms-available-for-beta-testing/35625
  # https://git.launchpad.net/~chromium-team/chromium-browser/+git/snap-from-source/
  # patch -Np1 -i ../0001-enable-linux-unstable-deb-target.patch
  #patch -Np1 -i ../0001-adjust-buffer-format-order.patch
  #patch -Np1 -i ../0001-vaapi-flag-ozone-wayland.patch

  # Link to system tools required by the build
  mkdir -p third_party/node/linux/node-linux-x64/bin
  ln -s /usr/bin/node third_party/node/linux/node-linux-x64/bin/
  ln -s /usr/bin/java third_party/jdk/current/bin/

  if (( !_system_clang )); then
    # Use prebuilt rust as system rust cannot be used due to the error:
    #   error: the option `Z` is only accepted on the nightly compiler
    ./tools/rust/update_rust.py

    # To link to rust libraries we need to compile with prebuilt clang
    ./tools/clang/scripts/update.py
  fi

  # Ungoogled Chromium changes
  _ungoogled_repo="$srcdir/$pkgname-$_uc_ver"
  _utils="${_ungoogled_repo}/utils"
  msg2 'Pruning binaries'
  python "$_utils/prune_binaries.py" ./ "$_ungoogled_repo/pruning.list"
  msg2 'Applying patches'
  python "$_utils/patches.py" apply ./ "$_ungoogled_repo/patches"
  msg2 'Applying domain substitution'
  python "$_utils/domain_substitution.py" apply -r "$_ungoogled_repo/domain_regex.list" \
    -f "$_ungoogled_repo/domain_substitution.list" -c domainsubcache.tar.gz ./

  # 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 ${_unwanted_bundled_libs[@]}; do
    find "third_party/$_lib" -type f \
      \! -path "third_party/$_lib/chromium/*" \
      \! -path "third_party/$_lib/google/*" \
      \! -path "third_party/harfbuzz-ng/utils/hb_scoped.h" \
      \! -regex '.*\.\(gn\|gni\|isolate\)' \
      -delete
  done

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

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

  cd chromium-$pkgver

  if (( _system_clang )); then
    export CC=clang
    export CXX=clang++
    export AR=ar
    export NM=nm
  else
    local _clang_path="$PWD/third_party/llvm-build/Release+Asserts/bin"
    export CC=$_clang_path/clang
    export CXX=$_clang_path/clang++
    export AR=$_clang_path/llvm-ar
    export NM=$_clang_path/llvm-nm
  fi

  local _flags=(
    'custom_toolchain="//build/toolchain/linux/unbundle:default"'
    'host_toolchain="//build/toolchain/linux/unbundle:default"'
    'is_official_build=true' # implies is_cfi=true on x86_64
    'symbol_level=0' # sufficient for backtraces on x86(_64)
    'treat_warnings_as_errors=false'
    'disable_fieldtrial_testing_config=true'
    'blink_enable_generated_code_formatting=false'
    'ffmpeg_branding="Chrome"'
    'proprietary_codecs=true'
    'rtc_use_pipewire=true'
    'link_pulseaudio=true'
    'use_custom_libcxx=true' # https://github.com/llvm/llvm-project/issues/61705
    'use_sysroot=false'
    'use_system_libffi=true'
    'enable_hangout_services_extension=true'
    'enable_widevine=true'
    'enable_nacl=false'
    'use_qt6=true'
    'moc_qt6_path="/usr/lib/qt6"'
    "google_api_key=\"$_google_api_key\""
  )

  if [[ -n ${_system_libs[icu]+set} ]]; then
    _flags+=('icu_use_data_file=false')
  fi

  if (( _system_clang )); then
     local _clang_version=$(
       clang --version | grep -m1 version | sed 's/.* \([0-9]\+\).*/\1/')

    _flags+=(
      'clang_base_path="/usr"'
      'clang_use_chrome_plugins=false'
      "clang_version=\"$_clang_version\""
      'chrome_pgo_phase=0' # needs newer clang to read the bundled PGO profile
    )

    # Allow the use of nightly features with stable Rust compiler
    # https://github.com/ungoogled-software/ungoogled-chromium/pull/2696#issuecomment-1918173198
    export RUSTC_BOOTSTRAP=1

    _flags+=(
      'rust_sysroot_absolute="/usr"'
      "rustc_version=\"$(rustc --version)\""
    )
  fi

  # enable HEVC decoding
  _flags+=(
    'enable_platform_hevc=true'
    'enable_hevc_parser_and_hw_decoder=true'
  )

  # Append ungoogled chromium flags to _flags array
  _ungoogled_repo="$srcdir/$pkgname-$_uc_ver"
  readarray -t -O ${#_flags[@]} _flags < "${_ungoogled_repo}/flags.gn"

  # Facilitate deterministic builds (taken from build/config/compiler/BUILD.gn)
  CFLAGS+='   -Wno-builtin-macro-redefined'
  CXXFLAGS+=' -Wno-builtin-macro-redefined'
  CPPFLAGS+=' -D__DATE__=  -D__TIME__=  -D__TIMESTAMP__='

  # Do not warn about unknown warning options
  CFLAGS+='   -Wno-unknown-warning-option'
  CXXFLAGS+=' -Wno-unknown-warning-option'

  # Let Chromium set its own symbol level
  CFLAGS=${CFLAGS/-g }
  CXXFLAGS=${CXXFLAGS/-g }

  # https://github.com/ungoogled-software/ungoogled-chromium-archlinux/issues/123
  CFLAGS=${CFLAGS/-fexceptions}
  CFLAGS=${CFLAGS/-fcf-protection}
  CXXFLAGS=${CXXFLAGS/-fexceptions}
  CXXFLAGS=${CXXFLAGS/-fcf-protection}

  # This appears to cause random segfaults when combined with ThinLTO
  # https://bugs.archlinux.org/task/73518
  CFLAGS=${CFLAGS/-fstack-clash-protection}
  CXXFLAGS=${CXXFLAGS/-fstack-clash-protection}

  # https://crbug.com/957519#c122
  CXXFLAGS=${CXXFLAGS/-Wp,-D_GLIBCXX_ASSERTIONS}

  gn gen out/Release --args="${_flags[*]}"
  ninja -C out/Release chrome chrome_sandbox chromedriver
}

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

  cd ../chromium-$pkgver

  install -D out/Release/chrome "$pkgdir/usr/lib/chromium/chromium"
  install -D out/Release/chromedriver "$pkgdir/usr/bin/chromedriver"
  install -Dm4755 out/Release/chrome_sandbox "$pkgdir/usr/lib/chromium/chrome-sandbox"

  install -Dm644 chrome/installer/linux/common/desktop.template \
    "$pkgdir/usr/share/applications/chromium.desktop"
  install -Dm644 chrome/app/resources/manpage.1.in \
    "$pkgdir/usr/share/man/man1/chromium.1"
  sed -i \
    -e 's/@@MENUNAME@@/Chromium/g' \
    -e 's/@@PACKAGE@@/chromium/g' \
    -e 's/@@USR_BIN_SYMLINK_NAME@@/chromium/g' \
    "$pkgdir/usr/share/applications/chromium.desktop" \
    "$pkgdir/usr/share/man/man1/chromium.1"

  install -Dm644 chrome/installer/linux/common/chromium-browser/chromium-browser.appdata.xml \
    "$pkgdir/usr/share/metainfo/chromium.appdata.xml"
  sed -ni \
    -e 's/chromium-browser\.desktop/chromium.desktop/' \
    -e '/<update_contact>/d' \
    -e '/<p>/N;/<p>\n.*\(We invite\|Chromium supports Vorbis\)/,/<\/p>/d' \
    -e '/^<?xml/,$p' \
    "$pkgdir/usr/share/metainfo/chromium.appdata.xml"

  local toplevel_files=(
    chrome_100_percent.pak
    chrome_200_percent.pak
    chrome_crashpad_handler
    libqt5_shim.so
    libqt6_shim.so
    resources.pak
    v8_context_snapshot.bin

    # ANGLE
    libEGL.so
    libGLESv2.so

    # SwiftShader ICD
    libvk_swiftshader.so
    libvulkan.so.1
    vk_swiftshader_icd.json
  )

  if [[ -z ${_system_libs[icu]+set} ]]; then
    toplevel_files+=(icudtl.dat)
  fi

  cp "${toplevel_files[@]/#/out/Release/}" "$pkgdir/usr/lib/chromium/"
  install -Dm644 -t "$pkgdir/usr/lib/chromium/locales" out/Release/locales/*.pak

  for size in 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:
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