File PKGBUILD of Package ungoogled-chromium-xdg

# Maintainer: Noah Vogt (noahvogt) <noah@noahvogt.com>
# 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>

# binary version of this package (-bin): github.com/noahvogt/ungoogled-chromium-xdg-bin-aur

pkgname=ungoogled-chromium-xdg
pkgver=142.0.7444.175
pkgrel=1
_launcher_ver=8
_manual_clone=0
_system_clang=1
pkgdesc="A lightweight approach to removing Google web service dependency - without creating a useless ~/.pki directory"
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')
makedepends=('python' 'gn' 'ninja' 'clang' 'lld' 'gperf' 'nodejs' 'pipewire'
             'rust' 'rust-bindgen' 'qt6-base' 'java-runtime-headless'
             'git' 'compiler-rt')
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'
            'upower: Battery Status API support')
options=('!lto') # Chromium adds its own flags for ThinLTO
source=(https://commondatastorage.googleapis.com/chromium-browser-official/chromium-$pkgver-lite.tar.xz
        https://github.com/foutrelis/chromium-launcher/archive/v$_launcher_ver/chromium-launcher-$_launcher_ver.tar.gz
        chromium-138-nodejs-version-check.patch
        chromium-138-rust-1.86-mismatched_lifetime_syntaxes.patch
        compiler-rt-adjust-paths.patch
        increase-fortify-level.patch
        use-oauth2-client-switches-as-default.patch
        chromium-141-cssstylesheet-iwyu.patch)
sha256sums=('619b37ab0273f72fac859fff8dd89fbf1b7ae7e7ccb8d67bc79281b24f683bc9'
            '213e50f48b67feb4441078d50b0fd431df34323be15be97c55302d3fdac4483a'
            '11a96ffa21448ec4c63dd5c8d6795a1998d8e5cd5a689d91aea4d2bdd13fb06e'
            '5abc8611463b3097fc5ce58017ef918af8b70d616ad093b8b486d017d021bbdf'
            'ec8e49b7114e2fa2d359155c9ef722ff1ba5fe2c518fa48e30863d71d3b82863'
            'd634d2ce1fc63da7ac41f432b1e84c59b7cceabf19d510848a7cff40c8025342'
            'e6da901e4d0860058dc2f90c6bbcdc38a0cf4b0a69122000f62204f24fa7e374'
            'de5c873564b09713b65dd9e6a0b9049d7b3cf8f881436f36e1c091824b63e876')

# ungoogled-chromium-xdg patches
source=(${source[@]}
        xdg-basedir.patch
        no-omnibox-suggestion-autocomplete.patch)
sha256sums=(${sha256sums[@]}
            '2848ccca54ec4a118471b833d20cf3a32fff7775d5b0fc881f9e1660dcd6ca23'
            'ff1591fa38e0ede7e883dc7494b813641b7a1a7cb1ded00d9baaee987c1dbea8')

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

provides=("chromium=${pkgver}" "chromedriver=${pkgver}")
conflicts=('chromium' 'chromedriver')
_uc_usr=ungoogled-software
_uc_rel=1
_uc_ver="$pkgver-$_uc_rel"
optdepends=("${optdepends[@]}"
            'chromium-extension-web-store: Web Store Functionality')
source=(${source[@]}
        ${pkgname%-*}-$_uc_ver.tar.gz::https://github.com/$_uc_usr/ungoogled-chromium/archive/refs/tags/$_uc_ver.tar.gz)
sha256sums=(${sha256sums[@]}
            'ec3584995b6a69373fc06f6230602c1ebc68f802feedba44c962dc25bb896e33')

# 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 -DAVIF_ENABLE_EXPERIMENTAL_GAIN_MAP=ON
  [libjpeg]=libjpeg-turbo
  [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/')
)
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.
#
# 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/

# Open Build Service:
# Pathname can't be converted from UTF-8 to current locale.
export LANG=C.utf-8

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

  # 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

  # Fixes from Gentoo
  patch -Np1 -i ../chromium-138-nodejs-version-check.patch
  patch -Np1 -i ../chromium-141-cssstylesheet-iwyu.patch

  # Fixes from NixOS
  patch -Np1 -i ../chromium-138-rust-1.86-mismatched_lifetime_syntaxes.patch

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

  # Increase _FORTIFY_SOURCE level to match Arch's default flags
  patch -Np1 -i ../increase-fortify-level.patch

  # Custom Patches

  # move ~/.pki directory to ${XDG_DATA_HOME:-$HOME/.local}/share/pki
  patch -p1 -i ../xdg-basedir.patch

  # You can now set '1' in the flag #omnibox-ui-max-autocomplete-matches to
  # effectively disable autocompletion in the url bar (and therefore the so-
  # called 'shoulder surfing').
  patch -p1 -i ../no-omnibox-suggestion-autocomplete.patch

  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%xdg*}$_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 ./

  # 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/
  mkdir -p third_party/jdk/current/bin
  ln -s /usr/bin/java third_party/jdk/current/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 ${_unwanted_bundled_libs[@]}; do
    find "third_party/$_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[@]}"

  # Generate missing header
  python3 build/util/lastchange.py -m DAWN_COMMIT_HASH \
    -s third_party/dawn --revision gpu/webgpu/DAWN_VERSION \
    --header gpu/webgpu/dawn_commit_hash.h
}

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'
    'fatal_linker_warnings=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_widevine=true'
    'use_qt5=false'
    'use_qt6=true'
    'moc_qt6_path="/usr/lib/qt6"'
    'enable_platform_hevc=true'
    'enable_hevc_parser_and_hw_decoder=true'
    'use_clang_modules=false'
  )

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

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


  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"'
      'rust_bindgen_root="/usr"'
      "rustc_version=\"$(rustc --version)\""
    )
  fi

  # 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}

  if [[ $CARCH == aarch64 ]] || [[ $CARCH == riscv64 ]]; then
    # On aarch64 and riscv64, certain files (e.g. in libvpx and libyuv) needs to
    # be compiled with additional arch features (e.g. dotprod, sve, sme, rvv)
    # Having an arch setting in the C(XX)FLAGS overrides those
    # and causes compilation failure
    CFLAGS="${CFLAGS/-march=*([^ ]) }"
    CXXFLAGS="${CXXFLAGS/-march=*([^ ]) }"
  fi

  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"

  # Fill in common Chrome/Chromium AppData template with Chromium info
  (
    tmpl_file=chrome/installer/linux/common/appdata.xml.template
    info_file=chrome/installer/linux/common/chromium-browser.info
    . $info_file; PACKAGE=chromium
    export $(grep -o '^[A-Z_]*' $info_file)
    sed -E -e 's/@@([A-Z_]*)@@/\${\1}/g' -e '/<update_contact>/d' $tmpl_file | envsubst
  ) \
  | install -Dm644 /dev/stdin "$pkgdir/usr/share/metainfo/chromium.appdata.xml"

  local toplevel_files=(
    chrome_100_percent.pak
    chrome_200_percent.pak
    chrome_crashpad_handler
    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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