source: xsoft/graphweb/chromium.xml@ e5c8de01

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;

  <!ENTITY chromium-download-http "https://commondatastorage.googleapis.com/chromium-browser-official/chromium-&chromium-version;.tar.xz">
  <!ENTITY chromium-download-ftp  " ">
  <!ENTITY chromium-md5sum        "bf0629c03b3e3b957a9ee99c10b28210">
  <!ENTITY chromium-size          "531 MB">
  <!ENTITY chromium-buildsize     "6.1 GB">
  <!ENTITY chromium-time          "94 SBU (with 4 threads)">
  <!-- Ninja defaults to parallel build unless supplying -j1, SBU measured on
  dual core, hyperthreaded CPU (4 threads).                               -->
]>

<sect1 id="chromium" xreflabel="Chromium-&chromium-version;">
  <?dbhtml filename="chromium.html"?>

  <sect1info>
    <othername>$LastChangedBy$</othername>
    <date>$Date$</date>
  </sect1info>

  <title>Chromium-&chromium-version;</title>

  <indexterm zone="chromium">
    <primary sortas="a-Chromium">Chromium</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to Chromium</title>

    <para><application>Chromium</application> is an open-source browser project
    that aims to build a safer, faster, and more stable way for all users to
    experience the web.</para>

    &lfs81_checked;

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>Download (HTTP): <ulink url="&chromium-download-http;"/></para>
      </listitem>
      <listitem>
        <para>Download (FTP): <ulink url="&chromium-download-ftp;"/></para>
      </listitem>
      <listitem>
        <para>Download MD5 sum: &chromium-md5sum;</para>
      </listitem>
      <listitem>
        <para>Download size: &chromium-size;</para>
      </listitem>
      <listitem>
        <para>Estimated disk space required: &chromium-buildsize;</para>
      </listitem>
      <listitem>
        <para>Estimated build time: &chromium-time;</para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">Additional Downloads</bridgehead>

    <bridgehead renderas="sect4">Required patch to fix build issues with
    <application>gcc-7.1.0</application>:</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          <ulink url="&patch-root;/chromium-&chromium-version;-gcc7-1.patch"/>
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect4">Required patch to fix build issues with
    <application>GlibC-2.26</application>:</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          <ulink url="&patch-root;/chromium-&chromium-version;-glibc-2.26-1.patch"/>
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect4">Optional Chrome binaries to extract the
    <application>WideVine</application> plug-in (Netflix) support:</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>Download (HTTP):
          <ulink url="http://dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-stable/google-chrome-stable_&chromium-version;-1_amd64.deb"/>
        </para>
      </listitem>
      <listitem>
        <para>Download MD5 sum: 3282688ec79c41add2ad4390885dc203</para>
      </listitem>
      <listitem>
        <para>Download size: 63 MB</para>
      </listitem>
    </itemizedlist>
    <itemizedlist spacing="compact">
      <listitem>
        <para>Download (HTTP):
          <ulink url="http://mirror.retrosnub.co.uk/apt/google/pool/main/g/google-chrome-stable/google-chrome-stable_48.0.2564.116-1_i386.deb"/>
        </para>
      </listitem>
      <listitem>
        <para>Download MD5 sum: 895e877b9bfe5da05a061369c2078626</para>
      </listitem>
      <listitem>
        <para>Download size: 45 MB</para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">Chromium Dependencies</bridgehead>

    <bridgehead renderas="sect4">Required</bridgehead>
    <para role="required">
      <xref linkend="alsa-lib"/>,
      <xref linkend="cups"/>,
      <xref linkend="desktop-file-utils"/>,
      <xref linkend="dbus"/>,
      <xref linkend="perl-file-basedir"/>,
      <xref linkend="gtk3"/>,
      <xref linkend="hicolor-icon-theme"/>,
      <xref linkend="mitkrb"/>,
      <xref linkend="mesa"/>,
      <xref linkend="nodejs"/>,
      <xref linkend="nss"/>,
      <xref linkend="python2"/>,
      <xref linkend="usbutils"/>, and
      <xref linkend="x-window-system"/>
    </para>

    <bridgehead renderas="sect4">Recommended</bridgehead>
    <para role="recommended">
      <xref linkend="ffmpeg"/>,
      <xref linkend="flac"/>,
      <xref linkend="git"/>,
<!--      <xref linkend="icu"/>, -->
<!--      <xref linkend="libevent"/>, -->
      <xref linkend="libexif"/>,
      <xref linkend="libjpeg"/>,
      <xref linkend="libpng"/>,
      <xref linkend="libsecret"/>,
<!--      <xref linkend="libvpx"/>, -->
      <xref linkend="libwebp"/>,
      <xref linkend="pciutils"/>,
      <xref linkend="pulseaudio"/>,
      <xref linkend="xdg-utils"/>, and
      <xref linkend="yasm"/>
    </para>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="GConf"/>,
      <xref linkend="icu"/> (currently broken),
      <xref linkend="gnome-keyring"/>,
      <xref linkend="libevent"/> (currently broken),
      <xref linkend="libvpx"/> (currently broken),
      <xref linkend="libxml2"/> (currently broken),
      <ulink url="https://devel.freebsoft.org/speechd">speech-dispatcher</ulink>
      (for the screen reader), and
      <ulink url="https://google.github.io/snappy">snappy</ulink>
    </para>

    <para condition="html" role="usernotes">User Notes:
    <ulink url="&blfs-wiki;/chromium"/></para>

  </sect2>

  <sect2 role="installation">
    <title>Installation of Chromium</title>

   <para>Apply a patch to fix errors with building with
   <application>GCC-7.1.0</application>:</para>

<screen><userinput>patch -Np1 -i ../chromium-&chromium-version;-gcc7-1.patch</userinput></screen>

    <para>Apply a patch to fix an issue when building against GlibC-2.26:</para>

<screen><userinput>patch -Np1 -i ../chromium-&chromium-version;-glibc-2.26-1.patch</userinput></screen>

    <para>Enable the use of the
    <ulink url="http://www.widevine.com/">WideVine</ulink> plugin, needed for
    Netflix support (see the WideVine section below). Define an
    available product name ("Pinkie Pie" in this case) with the following
    command:</para>

<screen><userinput>sed 's/WIDEVINE_CDM_AVAILABLE/&amp;\n\n#define WIDEVINE_CDM_VERSION_STRING "Pinkie Pie"/' \
    -i third_party/widevine/cdm/stub/widevine_cdm_version.h</userinput></screen>

    <para>Fix to minor build errors in gn:</para>

<screen><userinput>sed -e "/histogram_samples.cc/a\      'base/metrics/histogram_snapshot_manager.cc'," \
    -e "/heap_profiler_event_writer.cc/s/event_/heap_dump_/" \
    -i tools/gn/bootstrap/bootstrap.py</userinput></screen>

    <para>Fix a build issue with current ATK:</para>

<screen><userinput>sed '/atk_state_set_add_state/s@atk_state_set,@state_set,@' \
    -i content/browser/accessibility/browser_accessibility_auralinux.cc</userinput></screen>

    <para>Remove third-party build files that interfere with system versions:</para>

    <note>
      <para>
        Chromium uses many external projects, the selections below are not set
        in stone, however they have been tested thoroughly. With Chromium
        &chromium-version;, system versions of icu, libevent, libvpx, libxml2,
        and zlib are known to break the build at this time.
        <!-- icu: Not at 59 internally -->
        <!-- libevent: needs internal headers -->
        <!-- libvpx: breaks build in gfx -->
        <!-- libxml2: breaks build with ui -->
        <!-- zlib requires libminizip -->
      </para>
    </note>

<!-- Again, thanks to Arch, this is much better than listing all the needed
shipped libs required to use the remove_bundled_files.py script -->
<screen><userinput>for LIB in ffmpeg flac harfbuzz-ng<!-- icu libevent--> libjpeg \
           libjpeg_turbo libpng libwebp<!-- libxml libvpx--> libxslt yasm; do
    find -type f -path "*third_party/$LIB/*"     \
        \! -path "*third_party/$LIB/chromium/*"  \
        \! -path "*third_party/$LIB/google/*"    \
        \! -path "*base/third_party/icu/*"       \
        \! -path "*base/third_party/libevent/*"  \
        \! -regex '.*\.\(gn\|gni\|isolate\|py\)' \
        -delete
done &amp;&amp;

python build/linux/unbundle/replace_gn_files.py \
    --system-libraries ffmpeg flac harfbuzz-ng<!-- icu libevent--> libjpeg \
                       libpng libwebp<!-- libxml libvpx--> libxslt yasm &amp;&amp;
python third_party/libaddressinput/chromium/tools/update-strings.py</userinput></screen>

    <para><application>Chromium</application> uses an internal tool, <ulink
    url="https://chromium.googlesource.com/chromium/src/tools/gn">gn</ulink>,
    to generate the <application>Ninja</application> build files. Complete
    configuration of the build using the following commands:</para>

    <note>
      <para>
        <!-- Taken from Arch Linux - an immensely helpful link - Thanks -->
        The Google API Key and OAuth tokens below are specific to LFS. If using
        these instructions for another distro, or if you intend to distribute
        binary copies of the software using these instructions, please obtain
        your own keys following the instructions located at
        <ulink url="http://www.chromium.org/developers/how-tos/api-keys"/>.
        <!-- BLFS Devs, register an account at Google with your
        @linuxfromscratch.org email address, and I'll make you an administrator
        for the 'Google APIs for LFS' project (where the API and OAuth keys
        were created for use in the book).-->
      </para>
    </note>

<screen><userinput>GN_CONFIG=('google_api_key="AIzaSyDxKL42zsPjbke5O8_rPVpVrLrJ8aeE9rQ"'
'google_default_client_id="595013732528-llk8trb03f0ldpqq6nprjp1s79596646.apps.googleusercontent.com"'
'google_default_client_secret="5ntt6GbbkjnTVXx-MSxbmx5e"'
'clang_use_chrome_plugins=false'
'enable_hangout_services_extension=true'
'enable_nacl=false'
'enable_nacl_nonsfi=false'
'enable_swiftshader=false'
'enable_widevine=true'
'fatal_linker_warnings=false'
'ffmpeg_branding="Chrome"'
'fieldtrial_testing_like_official_build=true'
'is_debug=false'
'is_clang=false'
'link_pulseaudio=true'
'linux_use_bundled_binutils=false'
'proprietary_codecs=true'
'remove_webcore_debug_symbols=true'
'symbol_level=0'
'treat_warnings_as_errors=false'
'use_allocator="none"'
'use_cups=true'
'use_gconf=false'
'use_gnome_keyring=false'
'use_gold=false'
'use_gtk3=true'
'use_kerberos=true'
'use_pulseaudio=true'
'use_sysroot=false')</userinput></screen>

    <para>Build <application>gn</application> and use it to prepare the
    <application>Ninja</application> build files:</para>

<screen><userinput>python tools/gn/bootstrap/bootstrap.py --gn-gen-args "${GN_CONFIG[*]}" &amp;&amp;
out/Release/gn gen out/Release --args="${GN_CONFIG[*]}"</userinput></screen>

    <warning>
      <para>Ninja, by default, sets the number of jobs to the number of
      available threads. If your machine is memory constrained, with regard to
      number of threads, you should reduce the number of jobs by passing the 
      <parameter>-j#</parameter> switch to the <command>ninja</command> command
      below. Plan for roughly 1.25GB per thread while linking
      <application>WebKit</application> to avoid out of memory errors.</para>
    </warning>

    <para>Build <application>Chromium</application> using the following
    commands:</para>

<screen><userinput>mkdir -p third_party/node/linux/node-linux-x64/bin &amp;&amp;
ln -s /usr/bin/node third_party/node/linux/node-linux-x64/bin/ &amp;&amp;
ninja -C out/Release chrome chrome_sandbox chromedriver widevinecdmadapter</userinput></screen>

    <para>This package was already tested as part of the build.</para>

    <para>Now, as the <systemitem class="username">root</systemitem> user,
    install the package:</para>

<screen role="root"><userinput>install -vDm755  out/Release/chrome \
                 /usr/lib/chromium/chromium                   &amp;&amp;
install -vDm4755 out/Release/chrome_sandbox \
                 /usr/lib/chromium/chrome-sandbox             &amp;&amp;
install -vDm755  out/Release/chromedriver \
                 /usr/lib/chromium/chromedriver               &amp;&amp;
ln -svf /usr/lib/chromium/chromium /usr/bin                   &amp;&amp;
ln -svf /usr/lib/chromium/chromedriver /usr/bin/              &amp;&amp;

install -vm644  out/Release/icudtl.dat /usr/lib/chromium/     &amp;&amp;
install -vDm644 out/Release/gen/content/content_resources.pak \
                /usr/lib/chromium/                            &amp;&amp;
install -vm644  out/Release/{*.pak,*.bin} \
                /usr/lib/chromium/                            &amp;&amp;

cp -av out/Release/locales /usr/lib/chromium/                 &amp;&amp;
chown -Rv root:root /usr/lib/chromium/locales                 &amp;&amp;

install -vDm644 out/Release/chrome.1 \
                /usr/share/man/man1/chromium.1</userinput></screen>

    <para>While still the <systemitem class="username">root</systemitem> user,
    install icons and the .desktop file:</para>

<screen role="root"><userinput>for size in 16 32; do
    install -vDm644 \
        "chrome/app/theme/default_100_percent/chromium/product_logo_$size.png" \
        "/usr/share/icons/hicolor/${size}x${size}/apps/chromium.png"
done &amp;&amp;

for size in 22 24 48 64 128 256; do
    install -vDm644 "chrome/app/theme/chromium/product_logo_$size.png" \
        "/usr/share/icons/hicolor/${size}x${size}/apps/chromium.png"
done &amp;&amp;

cat &gt; /usr/share/applications/chromium.desktop &lt;&lt; "EOF"
[Desktop Entry]
Encoding=UTF-8
Name=Chromium Web Browser
Comment=Access the Internet
GenericName=Web Browser
Exec=chromium %u
Terminal=false
Type=Application
Icon=chromium
Categories=GTK;Network;WebBrowser;
MimeType=application/xhtml+xml;text/xml;application/xhtml+xml;text/mml;x-scheme-handler/http;x-scheme-handler/https;
EOF</userinput></screen>

    <note>
      <para>If upgrading from a previous build of chromium using gtk+-2.x, you
      may need to remove the <filename
      class="directory">~/.config/chromium</filename> directory.</para>
    </note>

    <bridgehead renderas="sect3">Extracting the WideVine plugin from Chrome</bridgehead>

    <para>Extract the downloaded deb file with the following commands:</para>

<screen><userinput>mkdir temp                                         &amp;&amp;
cd temp                                            &amp;&amp;
case $(uname -m) in
    x86_64) ar -x ../../google-chrome-stable_&chromium-version;-1_amd64.deb
    ;;
    i?86)   ar -x ../../google-chrome-stable_48.0.2564.116-1_i386.deb
    ;;
esac</userinput></screen>

    <para>As the <systemitem class="username">root</systemitem> user, enable
    the WideVine plugin with the following commands:</para>

<!-- Note that libwidevinecdmadapter.so is not in the tarball.  It is
created only if enable_widevine=true i sset in GN_CONFIG -->

<screen role="root"><userinput>tar -xf data.tar.xz                                                        &amp;&amp;
install -vm755 ../out/Release/libwidevinecdmadapter.so /usr/lib/chromium/  &amp;&amp;
install -vm755 opt/google/chrome/libwidevinecdm.so  /usr/lib/chromium/</userinput></screen>

  </sect2>

  <sect2 role="commands">
    <title>Command Explanations</title>

    <para><command>GN_CONFIG=(...)</command>: this array contains
    all of the defines used in the build.</para>

    <para><command>python tools/gn/bootstrap/bootstrap.py --gn-gen-args "${GN_CONFIG[*]}"</command>:
    this command replaces defines in the gn files with the values contained in 
    <envar>${GN_CONFIG[@]}</envar>.</para>

    <para><command>out/Release/gn gen out/Release --args="${GN_CONFIG[*]}"</command>:
    this command runs a Google provided configuration script
    <application>gn</application> on the source tree to produce
    a <application>Ninja</application> configuration suitable for the build
    machine.</para>

    <para><command>mkdir...ln -s /usr/bin/node
    third_party/node/linux/node-linux-x64/bin/</command>: these commands
    replaced the local <application>Node.js</application> (no longer available)
    with the system installed <application>Node.js</application>.</para>

    <para><command>ar -x ../../google-chrome-stable*.deb</command>:
    the <command>ar</command> utility is used to extract Debian archives.</para>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Libraries</segtitle>
      <segtitle>Installed Directories</segtitle>

      <seglistitem>
        <seg>/usr/lib/chromium/chromium,
        /usr/lib/chromium/chromedriver, and
        /usr/lib/chromium/chrome-sandbox</seg>
        <seg>none</seg>
        <seg>/usr/lib/chromium</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="chromium-lib">
        <term><command>/usr/lib/chromium/chromium</command></term>
        <listitem>
          <para> is the main chromium executable.</para>
          <indexterm zone="chromium chromium-lib">
            <primary sortas="b-chromiumlib">chromium</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="chromedriver">
        <term><command>/usr/lib/chromium/chromedriver</command></term>
        <listitem>
          <para> is a
          <ulink url="http://www.seleniumhq.org/projects/webdriver/">
          WebDriver</ulink> for Chromium.</para>
          <indexterm zone="chromium chromedriver">
            <primary sortas="b-chromedriver">chromedriver</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="chrome-sandbox">
        <term><command>/usr/lib/chromium/chrome-sandbox</command></term>
        <listitem>
          <para> creates a sandboxed environment for running untrusted
          code (plugins).</para>
          <indexterm zone="chromium chrome-sandbox">
            <primary sortas="b-chrome-sandbox">chrome-sandbox</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>