| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY firefox-download-http "&mozilla-http;/firefox/releases/&firefox-version;esr/source/firefox-&firefox-version;esr.source.tar.xz">
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| 8 | <!ENTITY firefox-download-ftp " ">
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| 9 | <!ENTITY firefox-md5sum "1467c03be7e9272f1255ef193e607db2">
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| 10 | <!ENTITY firefox-size "482 MB">
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| 11 |
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| 12 | <!-- NB with stylo, much of the build uses rust, and therefore cargo files.
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| 13 | But the extra cached cargo files, if any, seem to be minimal -->
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| 14 | <!ENTITY firefox-buildsize "6.4 GB (208 MB installed) without tests">
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| 15 | <!-- editors: with ff63 and rust-1.29, ./mach build -j4 is probably the
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| 16 | most practical way to get a timing on a machine with more cores, if taking
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| 17 | cores offline is not practical. If in doubt, round up -->
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| 18 | <!ENTITY firefox-time "22 SBU using -j4, without tests">
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| 19 | ]>
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| 20 |
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| 21 | <sect1 id="firefox" xreflabel="Firefox-&firefox-version;">
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| 22 | <?dbhtml filename="firefox.html" ?>
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| 23 |
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| 24 |
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| 25 | <!-- indicate this is the ESR variant,
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| 26 | The point is that the stable release differs slightly.
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| 27 | <title>Firefox-&firefox-version;</title>-->
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| 28 | <title>Firefox-&firefox-version;esr</title>
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| 29 |
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| 30 | <indexterm zone="firefox">
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| 31 | <primary sortas="a-Firefox">Firefox</primary>
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| 32 | </indexterm>
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| 33 |
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| 34 | <sect2 role="package">
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| 35 | <title>Introduction to Firefox</title>
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| 36 |
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| 37 | <para>
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| 38 | <application>Firefox</application> is a stand-alone browser based on the
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| 39 | <application>Mozilla</application> codebase.
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| 40 | </para>
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| 41 |
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| 42 | &lfs113_checked;
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| 43 |
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| 44 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 45 | <itemizedlist spacing="compact">
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| 46 | <listitem>
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| 47 | <para>
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| 48 | Download (HTTP): <ulink url="&firefox-download-http;"/>
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| 49 | </para>
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| 50 | </listitem>
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| 51 | <listitem>
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| 52 | <para>
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| 53 | Download (FTP): <ulink url="&firefox-download-ftp;"/>
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| 54 | </para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>
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| 58 | Download MD5 sum: &firefox-md5sum;
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| 59 | </para>
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| 60 | </listitem>
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| 61 | <listitem>
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| 62 | <para>
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| 63 | Download size: &firefox-size;
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| 64 | </para>
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| 65 | </listitem>
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| 66 | <listitem>
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| 67 | <para>
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| 68 | Estimated disk space required: &firefox-buildsize;
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| 69 | </para>
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| 70 | </listitem>
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| 71 | <listitem>
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| 72 | <para>
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| 73 | Estimated build time: &firefox-time;
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| 74 | </para>
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| 75 | </listitem>
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| 76 | </itemizedlist>
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| 77 |
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| 78 | <!--<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 79 | <itemizedlist spacing="compact">
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| 80 | <listitem>
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| 81 | <para>
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| 82 | Required patch:
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| 83 | <ulink url="&patch-root;/firefox-&firefox-version;-consolidated-1.patch"/>
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| 84 | </para>
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| 85 | </listitem>
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| 86 | <listitem>
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| 87 | <para>
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| 88 | Required patch for new <xref linkend="ffmpeg"/> API:
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| 89 | <ulink url="&patch-root;/firefox-&firefox-version;-ffmpeg_6-1.patch"/>
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| 90 | </para>
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| 91 | </listitem>
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| 92 | </itemizedlist>-->
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| 93 |
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| 94 | <note>
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| 95 | <para>
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| 96 | The directory name is firefox-&firefox-version;
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| 97 | </para>
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| 98 |
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| 99 | <para>
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| 100 | Extracting the tarball
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| 101 | will reset the permissions of the current directory to 0755 if you
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| 102 | have permission to do that. If you do this in a directory where
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| 103 | the sticky bit is set, such
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| 104 | as <filename class="directory">/tmp</filename> it will end with error
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| 105 | messages:
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| 106 | </para>
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| 107 |
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| 108 | <literallayout>tar: .: Cannot utime: Operation not permitted
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| 109 | tar: .: Cannot change mode to rwxr-xr-t: Operation not permitted
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| 110 | tar: Exiting with failure status due to previous errors
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| 111 | </literallayout>
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| 112 |
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| 113 | <para>
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| 114 | This does finish with non-zero status, but it does
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| 115 | <emphasis>NOT</emphasis> mean there is a real problem.
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| 116 | Do not untar as the <systemitem class="username">root</systemitem> user
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| 117 | in a directory where the sticky bit is set - that will unset it.
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| 118 | </para>
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| 119 |
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| 120 | <para>
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| 121 | As with other large packages which use C++ (or rust), the SBU times
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| 122 | to build this vary more widely than you might expect. The build times
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| 123 | will increase significantly if your machine has to swap.
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| 124 | </para>
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| 125 |
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| 126 | <para>
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| 127 | Although upstream prefer to use <application>PulseAudio</application>,
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| 128 | for the moment <application>Alsa</application> can still be used. Both
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| 129 | may need runtime configuration to get sound working.
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| 130 | </para>
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| 131 | </note>
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| 132 |
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| 133 | <bridgehead renderas="sect3">Firefox Dependencies</bridgehead>
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| 134 |
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| 135 | <bridgehead renderas="sect4">Required</bridgehead>
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| 136 | <para role="required">
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| 137 | <xref linkend="autoconf213"/>,
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| 138 | <xref linkend="cbindgen"/>,
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| 139 | <xref linkend="dbus-glib"/>,
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| 140 | <xref linkend="gtk3"/>,
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| 141 | <xref linkend="libnotify"/>,
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| 142 | <xref linkend="llvm"/> (with clang, used for bindgen even if using gcc),
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| 143 | <xref linkend="nodejs"/>,
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| 144 | <xref linkend="pulseaudio"/>
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| 145 | (or
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| 146 | <xref linkend="alsa-lib"/> if you edit the mozconfig;
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| 147 | now deprecated by mozilla), in either case please read the
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| 148 | Configuration Information,
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| 149 | <xref linkend="python3"/> (rebuilt after installing <xref linkend="sqlite"/>),
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| 150 | <xref linkend="startup-notification"/>,
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| 151 | <xref linkend="unzip"/>,
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| 152 | <xref linkend="yasm"/>, and
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| 153 | <xref linkend="zip"/>
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| 154 | </para>
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| 155 |
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| 156 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 157 | <para role="recommended">
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| 158 | <xref linkend="icu"/>,
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| 159 | <xref linkend="libevent"/>,
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| 160 | <xref linkend="libvpx"/>,
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| 161 | <xref linkend="libwebp"/>,
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| 162 | <xref linkend="nasm"/>,
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| 163 | <xref linkend="nss"/>
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| 164 | </para>
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| 165 |
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| 166 | <note>
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| 167 | <para>
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| 168 | If you don't install recommended dependencies, then internal copies of
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| 169 | those packages will be used. They might be tested to work, but they can
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| 170 | be out of date or contain security holes.
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| 171 | </para>
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| 172 | </note>
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| 173 |
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| 174 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 175 | <para role="optional">
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| 176 | <xref linkend="curl"/>,
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| 177 | <xref linkend="doxygen"/>,
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| 178 | <xref role="runtime" linkend="ffmpeg"/> (runtime, to play mov, mp3 or mp4 files),
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| 179 | <xref linkend="liboauth"/>,
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| 180 | <xref linkend="valgrind"/>,
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| 181 | <xref linkend="wget"/>,
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| 182 | <xref linkend="wireless_tools"/>,
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| 183 | <ulink url="https://github.com/libproxy/libproxy">libproxy</ulink>
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| 184 | </para>
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| 185 |
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| 186 | <para condition="html" role="usernotes">
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| 187 | Editor Notes: <ulink url="&blfs-wiki;/firefox"/>
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| 188 | </para>
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| 189 | </sect2>
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| 190 |
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| 191 | <sect2 role="installation">
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| 192 | <title>Installation of Firefox</title>
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| 193 |
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| 194 | <para>
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| 195 | The configuration of <application>Firefox</application> is accomplished
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| 196 | by creating a <filename>mozconfig</filename> file containing the desired
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| 197 | configuration options. A default <filename>mozconfig</filename> is
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| 198 | created below. To see the entire list of available configuration options
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| 199 | (and an abbreviated description of some of them), issue <command>./mach
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| 200 | configure -- --help | less</command>. You may also
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| 201 | wish to review the entire file and uncomment any other desired options.
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| 202 | Create the file by issuing the following command:
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| 203 | </para>
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| 204 |
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| 205 | <screen><userinput>cat > mozconfig << "EOF"
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| 206 | <literal># If you have a multicore machine, all cores will be used by default.
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| 207 |
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| 208 | # If you have installed (or will install) wireless-tools, and you wish
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| 209 | # to use geolocation web services, comment out this line
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| 210 | ac_add_options --disable-necko-wifi
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| 211 |
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| 212 | # API Keys for geolocation APIs - necko-wifi (above) is required for MLS
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| 213 | # Uncomment the following line if you wish to use Mozilla Location Service
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| 214 | #ac_add_options --with-mozilla-api-keyfile=$PWD/mozilla-key
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| 215 |
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| 216 | # Uncomment the following line if you wish to use Google's geolocation API
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| 217 | # (needed for use with saved maps with Google Maps)
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| 218 | #ac_add_options --with-google-location-service-api-keyfile=$PWD/google-key
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| 219 |
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| 220 | # startup-notification is required since firefox-78
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| 221 |
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| 222 | # Uncomment the following option if you have not installed PulseAudio and
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| 223 | # want to use alsa instead
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| 224 | #ac_add_options --enable-audio-backends=alsa
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| 225 |
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| 226 | # Comment out following options if you have not installed
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| 227 | # recommended dependencies:
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| 228 | ac_add_options --with-system-icu
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| 229 | ac_add_options --with-system-libevent
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| 230 | ac_add_options --with-system-libvpx
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| 231 | ac_add_options --with-system-nspr
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| 232 | ac_add_options --with-system-nss
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| 233 | ac_add_options --with-system-webp
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| 234 |
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| 235 | # Unlike with thunderbird, although using the gold linker can
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| 236 | # save four megabytes in the installed file it does not make
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| 237 | # the build faster.
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| 238 |
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| 239 | # libdav1d (av1 decoder) requires nasm. Uncomment this if nasm
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| 240 | # has not been installed. Do not uncomment this if you have
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| 241 | # ffmpeg installed.
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| 242 | #ac_add_options --disable-av1
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| 243 |
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| 244 | # You cannot distribute the binary if you do this
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| 245 | ac_add_options --enable-official-branding
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| 246 |
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| 247 | # Stripping is now enabled by default.
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| 248 | # Uncomment these lines if you need to run a debugger:
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| 249 | #ac_add_options --disable-strip
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| 250 | #ac_add_options --disable-install-strip
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| 251 |
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| 252 | # Disabling debug symbols makes the build much smaller and a little
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| 253 | # faster. Comment this if you need to run a debugger. Note: This is
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| 254 | # required for compilation on i686.
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| 255 | ac_add_options --disable-debug-symbols
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| 256 |
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| 257 | # The elf-hack is reported to cause failed installs (after successful builds)
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| 258 | # on some machines. It is supposed to improve startup time and it shrinks
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| 259 | # libxul.so by a few MB - comment this if you know your machine is not affected.
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| 260 | ac_add_options --disable-elf-hack
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| 261 |
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| 262 | # The BLFS editors recommend not changing anything below this line:
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| 263 | ac_add_options --prefix=/usr
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| 264 | ac_add_options --enable-application=browser
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| 265 | ac_add_options --disable-crashreporter
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| 266 | ac_add_options --disable-updater
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| 267 | # enabling the tests will use a lot more space and significantly
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| 268 | # increase the build time, for no obvious benefit.
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| 269 | ac_add_options --disable-tests
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| 270 |
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| 271 | # The default level of optimization again produces a working build with gcc.
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| 272 | ac_add_options --enable-optimize
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| 273 |
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| 274 | ac_add_options --enable-system-ffi
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| 275 | ac_add_options --enable-system-pixman
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| 276 |
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| 277 | ac_add_options --with-system-jpeg
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| 278 | ac_add_options --with-system-png
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| 279 | ac_add_options --with-system-zlib
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| 280 |
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| 281 | # Using sandboxed wasm libraries has been moved to all builds instead
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| 282 | # of only mozilla automation builds. It requires extra llvm packages
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| 283 | # and was reported to seriously slow the build. Disable it.
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| 284 | ac_add_options --without-wasm-sandboxed-libraries
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| 285 |
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| 286 | # The following option unsets Telemetry Reporting. With the Addons Fiasco,
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| 287 | # Mozilla was found to be collecting user's data, including saved passwords and
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| 288 | # web form data, without users consent. Mozilla was also found shipping updates
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| 289 | # to systems without the user's knowledge or permission.
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| 290 | # As a result of this, use the following command to permanently disable
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| 291 | # telemetry reporting in Firefox.
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| 292 | unset MOZ_TELEMETRY_REPORTING
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| 293 |
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| 294 | mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/firefox-build-dir</literal>
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| 295 | EOF</userinput></screen>
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| 296 |
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| 297 | <para>
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| 298 | Compile <application>Firefox</application> by issuing the following
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| 299 | commands:
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| 300 | </para>
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| 301 | <!-- Not needed with clang. Upstream bug at
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| 302 | https://bugzilla.mozilla.org/show_bug.cgi?id=1729459
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| 303 |
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| 304 | <para>
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| 305 | If building on a 32 bit machine, the following sed works around
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| 306 | an issue with an incompatible <quote>double</quote> type in one
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| 307 | header file:
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| 308 | </para>
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| 309 |
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| 310 | <screen><userinput>case "$(uname -m)" in
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| 311 | i?86) sed -e '/typedef[ ]*double/s/double/long double/' \
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| 312 | -i modules/fdlibm/src/math_private.h ;;
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| 313 | esac</userinput></screen>
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| 314 | -->
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| 315 | <para>
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| 316 | If the geolocation APIs are needed:
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| 317 | </para>
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| 318 |
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| 319 | <note>
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| 320 | <para>
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| 321 | <!-- Taken from Arch Linux - an immensely helpful link - Thanks -->
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| 322 | The Google and Mozilla API Keys below are specific to LFS. If using
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| 323 | these instructions for another distro, or if you intend to distribute
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| 324 | binary copies of the software using these instructions, please obtain
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| 325 | your own keys following the instructions located at
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| 326 | <ulink url="https://www.chromium.org/developers/how-tos/api-keys"/> and
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| 327 | <ulink url="https://location.services.mozilla.com/api"/> respectively.
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| 328 | <!-- BLFS Devs, register an account at Google with your
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| 329 | @linuxfromscratch.org email address, and I'll make you an administrator
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| 330 | for the 'Google APIs for LFS' project (where the API and OAuth keys
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| 331 | were created for use in the book).-->
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| 332 | </para>
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| 333 | </note>
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| 334 |
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| 335 | <screen><userinput>echo "AIzaSyDxKL42zsPjbke5O8_rPVpVrLrJ8aeE9rQ" > google-key
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| 336 | echo "613364a7-9418-4c86-bcee-57e32fd70c23" > mozilla-key</userinput></screen>
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| 337 |
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| 338 | <note>
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| 339 |
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| 340 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 341 | href="../../xincludes/mozshm.xml"/>
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| 342 |
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| 343 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 344 | href="../../xincludes/mozmach.xml"/>
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| 345 |
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| 346 | </note>
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| 347 |
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| 348 | <!--<para>
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| 349 | Fix building Firefox with Clang 16 or C++ headers from GCC 13.
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| 350 | And, work around a build failure with Rustc-1.70.0:
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| 351 | </para>
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| 352 |
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| 353 | <screen><userinput remap="pre">patch -Np1 -i ../firefox-&firefox-version;-consolidated-1.patch</userinput></screen>
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| 354 |
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| 355 | <para>
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| 356 | Apply the following patch so that firefox is able to play H.264 videos:
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| 357 | </para>
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| 358 |
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| 359 | <screen><userinput remap="pre">patch -Np1 -i ../firefox-&firefox-version;-ffmpeg_6-1.patch</userinput></screen>-->
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| 360 |
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| 361 | <para>
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| 362 | Now invoke the Python <command>mach</command> script to compile the package.
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| 363 | </para>
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| 364 |
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| 365 | <screen><userinput>export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=none &&
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| 366 | export MOZBUILD_STATE_PATH=${PWD}/mozbuild &&
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| 367 | ./mach configure &&
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| 368 | ./mach build</userinput></screen>
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| 369 |
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| 370 | <para>
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| 371 | The <filename>mozconfig</filename> above disables the tests because
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| 372 | they use a lot more time and disk space for no obvious benefit. If
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| 373 | you have nevertheless enabled them, you can run the tests by executing
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| 374 | <command>./mach gtest</command>. This will require a network connection,
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| 375 | and to be run from within an Xorg session - there is a popup dialog
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| 376 | when it fails to connect to ALSA (that does not create a failed test).
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| 377 | One or two tests will fail. To see the details of the failure(s) you
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| 378 | will need to log the output from that command so that you can review it.
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| 379 | </para>
|
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| 380 |
|
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| 381 | <para>
|
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| 382 | Now, as the <systemitem class="username">root</systemitem> user:
|
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| 383 | </para>
|
|---|
| 384 |
|
|---|
| 385 | <screen role="root"><userinput>MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=none ./mach install</userinput></screen>
|
|---|
| 386 |
|
|---|
| 387 | <para>
|
|---|
| 388 | Empty the environment variables which were set above:
|
|---|
| 389 | </para>
|
|---|
| 390 |
|
|---|
| 391 | <screen><userinput>unset MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE MOZBUILD_STATE_PATH</userinput></screen>
|
|---|
| 392 |
|
|---|
| 393 | </sect2>
|
|---|
| 394 |
|
|---|
| 395 | <sect2 role="commands">
|
|---|
| 396 | <title>Command Explanations</title>
|
|---|
| 397 |
|
|---|
| 398 | <!--<xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
|
|---|
| 399 | href="../../xincludes/SIOCGSTAMP.xml"/>-->
|
|---|
| 400 |
|
|---|
| 401 | <para>
|
|---|
| 402 | <command>export MOZBUILD_STATE_PATH=${PWD}/mozbuild</command>: The build
|
|---|
| 403 | is now supposed to tell you that it intends to create <filename
|
|---|
| 404 | class="directory">~/.mozbuild</filename>, and offer you an option to
|
|---|
| 405 | press <ENTER> to accept this, or Ctrl-C to cancel and restart the
|
|---|
| 406 | build after specifying the directory. In practice, the message may not
|
|---|
| 407 | appear until after <ENTER> is keyed, i.e. the build stalls.
|
|---|
| 408 | </para>
|
|---|
| 409 |
|
|---|
| 410 | <para>
|
|---|
| 411 | That directory is used for a (probably random) telemetry identifier.
|
|---|
| 412 | Creating this in the build directory, and deleting that after the
|
|---|
| 413 | installation, prevents it being used. If you wish to participate in
|
|---|
| 414 | telemetry, export MOZBUILD_STATE_PATH to point to its default directory
|
|---|
| 415 | and remove the entry from the <filename>mozconfig</filename>.
|
|---|
| 416 | </para>
|
|---|
| 417 |
|
|---|
| 418 | <para>
|
|---|
| 419 | <command>MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE=none</command>: Use the
|
|---|
| 420 | system python to create a virtual environment for <command>mach</command>
|
|---|
| 421 | without downloading any python wheels nor using the system python modules.
|
|---|
| 422 | This prevents version mismatches between system modules and bundled ones.
|
|---|
| 423 | </para>
|
|---|
| 424 |
|
|---|
| 425 | <para>
|
|---|
| 426 | <command>./mach configure</command>: This validates the supplied
|
|---|
| 427 | dependencies and the <filename>mozconfig</filename>.
|
|---|
| 428 | </para>
|
|---|
| 429 |
|
|---|
| 430 | <para>
|
|---|
| 431 | <option>./mach build --verbose</option>: Use this alternative if you
|
|---|
| 432 | need details of which files are being compiled, together with any C or
|
|---|
| 433 | C++ flags being used. But do not add '--verbose' to the install command
|
|---|
| 434 | since it is not accepted there.
|
|---|
| 435 | </para>
|
|---|
| 436 |
|
|---|
| 437 | <para>
|
|---|
| 438 | <option>./mach build -jN</option>: The build should, by default, use
|
|---|
| 439 | all the online CPU cores. If using all the cores causes the build to swap
|
|---|
| 440 | because you have insufficient memory, using fewer cores can be faster.
|
|---|
| 441 | </para>
|
|---|
| 442 |
|
|---|
| 443 | <para>
|
|---|
| 444 | <option><envar>CC=gcc CXX=g++</envar></option>: BLFS used to
|
|---|
| 445 | prefer to use gcc and g++ instead of upstream's defaults of the
|
|---|
| 446 | <application>clang</application> programs. With the release of
|
|---|
| 447 | gcc-12 the build takes longer with gcc and g++, primarily because
|
|---|
| 448 | of extra warnings, and is bigger. Set these environment variables
|
|---|
| 449 | <emphasis>before you run the configure script</emphasis>
|
|---|
| 450 | if you wish to continue to use gcc, g++. Building
|
|---|
| 451 | with GCC on i?86 is currently broken.
|
|---|
| 452 | </para>
|
|---|
| 453 |
|
|---|
| 454 | </sect2>
|
|---|
| 455 |
|
|---|
| 456 | <sect2 role="configuration">
|
|---|
| 457 | <title>Configuring Firefox</title>
|
|---|
| 458 |
|
|---|
| 459 | <para>
|
|---|
| 460 | If you use a desktop environment like <application>Gnome</application> or
|
|---|
| 461 | <application>KDE</application> you may want to create a
|
|---|
| 462 | <filename>firefox.desktop</filename> file so that
|
|---|
| 463 | <application>Firefox</application> appears in the panel's menus.
|
|---|
| 464 | As the &root; user:
|
|---|
| 465 | </para>
|
|---|
| 466 |
|
|---|
| 467 | <screen role="root"><userinput>mkdir -pv /usr/share/applications &&
|
|---|
| 468 | mkdir -pv /usr/share/pixmaps &&
|
|---|
| 469 |
|
|---|
| 470 | MIMETYPE="text/xml;text/mml;text/html;" &&
|
|---|
| 471 | MIMETYPE+="application/xhtml+xml;application/vnd.mozilla.xul+xml;" &&
|
|---|
| 472 | MIMETYPE+="x-scheme-handler/http;x-scheme-handler/https" &&
|
|---|
| 473 |
|
|---|
| 474 | cat > /usr/share/applications/firefox.desktop << EOF &&
|
|---|
| 475 | <literal>[Desktop Entry]
|
|---|
| 476 | Encoding=UTF-8
|
|---|
| 477 | Name=Firefox Web Browser
|
|---|
| 478 | Comment=Browse the World Wide Web
|
|---|
| 479 | GenericName=Web Browser
|
|---|
| 480 | Exec=firefox %u
|
|---|
| 481 | Terminal=false
|
|---|
| 482 | Type=Application
|
|---|
| 483 | Icon=firefox
|
|---|
| 484 | Categories=GNOME;GTK;Network;WebBrowser;
|
|---|
| 485 | MimeType=$MIMETYPE
|
|---|
| 486 | StartupNotify=true</literal>
|
|---|
| 487 | EOF
|
|---|
| 488 |
|
|---|
| 489 | unset MIMETYPE &&
|
|---|
| 490 |
|
|---|
| 491 | ln -sfv /usr/lib/firefox/browser/chrome/icons/default/default128.png \
|
|---|
| 492 | /usr/share/pixmaps/firefox.png</userinput></screen>
|
|---|
| 493 |
|
|---|
| 494 | <sect3><title>Configuration Information</title>
|
|---|
| 495 |
|
|---|
| 496 | <para>
|
|---|
| 497 | The application settings for firefox are accessible by keying
|
|---|
| 498 | <command>about:config</command> in the address bar.
|
|---|
| 499 | </para>
|
|---|
| 500 |
|
|---|
| 501 | <para>
|
|---|
| 502 | Occasionally, getting working sound in
|
|---|
| 503 | <application>firefox</application> can be a problem. Although upstream
|
|---|
| 504 | prefers pulseaudio,
|
|---|
| 505 | on balance using <application>Alsa</application> may be easier.
|
|---|
| 506 | </para>
|
|---|
| 507 |
|
|---|
| 508 | <para>
|
|---|
| 509 | If you enabled <application>Alsa</application> for sound, you may need
|
|---|
| 510 | to alter one variable to get working sound. If you run
|
|---|
| 511 | <command>firefox</command> from a terminal and try to play something
|
|---|
| 512 | with sound you might encounter error messages like:
|
|---|
| 513 | </para>
|
|---|
| 514 |
|
|---|
| 515 | <para>
|
|---|
| 516 | <literal>Sandbox: seccomp sandbox violation: pid 3941, tid 4030,
|
|---|
| 517 | syscall 16, args 48 2147767296 139909894784796 0 0 0.</literal>
|
|---|
| 518 | </para>
|
|---|
| 519 |
|
|---|
| 520 | <para>
|
|---|
| 521 | That was on x86_64, on i686 the syscall number is 54. To allow this
|
|---|
| 522 | syscall, in <command>about:config</command> change
|
|---|
| 523 | <command>security.sandbox.content.syscall_whitelist</command> to 16
|
|---|
| 524 | (or 54 if using i686).
|
|---|
| 525 | </para>
|
|---|
| 526 |
|
|---|
| 527 | <para>
|
|---|
| 528 | If you use <command>pulseaudio</command> in a Desktop Environment, it
|
|---|
| 529 | might already be started by that DE. But if it is not, although
|
|---|
| 530 | firefox-57 managed to start it, firefox-58 did not. If you run
|
|---|
| 531 | <command>firefox</command> from a terminal and this problem is present,
|
|---|
| 532 | trying to play sound will
|
|---|
| 533 | encounter error messages warning <literal>Can't get cubeb
|
|---|
| 534 | context!</literal>
|
|---|
| 535 | </para>
|
|---|
| 536 |
|
|---|
| 537 | <para>
|
|---|
| 538 | The fix for this is to close firefox, start pulseaudio to check it
|
|---|
| 539 | does start (if not, read the information on Configuring in <xref
|
|---|
| 540 | linkend="pulseaudio"/>) and restart firefox to check it is working.
|
|---|
| 541 | If it now works, add the following to your <filename>~/.xinitrc</filename>:
|
|---|
| 542 | <phrase revision="sysv">
|
|---|
| 543 | <literal>pulseaudio --verbose --log-target=syslog&</literal></phrase>
|
|---|
| 544 | <phrase revision="systemd">
|
|---|
| 545 | <literal>pulseaudio --verbose --log-target=journald&</literal></phrase>
|
|---|
| 546 | (unfortunately, on some systems this does not work).
|
|---|
| 547 | </para>
|
|---|
| 548 |
|
|---|
| 549 | <para>
|
|---|
| 550 | You may wish to use multiple profiles within firefox. To do that, invoke
|
|---|
| 551 | firefox as <command>firefox --ProfileManager</command>. You can also
|
|---|
| 552 | check which profile is currently in use from
|
|---|
| 553 | <command>about:profiles</command>.
|
|---|
| 554 | </para>
|
|---|
| 555 |
|
|---|
| 556 | <para>
|
|---|
| 557 | Although WebRender (using the GPU for compositing) is not used by
|
|---|
| 558 | default, it now appears to work well on supported hardware (ATI, Nvidia
|
|---|
| 559 | and Intel GPUs with Mesa-18 or later). For an explanation, please see
|
|---|
| 560 | <ulink
|
|---|
| 561 | url="https://hacks.mozilla.org/2017/10/the-whole-web-at-maximum-fps-how-webrender-gets-rid-of-jank/">hacks.mozilla.org</ulink>.
|
|---|
| 562 | The only downside seems to be that on a machine with limited RAM it might
|
|---|
| 563 | use more RAM.
|
|---|
| 564 | </para>
|
|---|
| 565 |
|
|---|
| 566 | <para>
|
|---|
| 567 | To check if WebRender is being used, look in about:support. In the Graphics
|
|---|
| 568 | section, Compositing will either show 'Basic' (i.e. not in use) or
|
|---|
| 569 | 'WebRender'. To enable it, go to about:config and change gfx.webrender.all
|
|---|
| 570 | to True. You will need to restart firefox.
|
|---|
| 571 | </para>
|
|---|
| 572 |
|
|---|
| 573 | <para>
|
|---|
| 574 | It may be useful to mention the processes from firefox which can appear in
|
|---|
| 575 | <command>top</command> - as well as firefox itself, there may be multiple
|
|---|
| 576 | Web Content processes, and now an RDD Process (Remote Data Decoder) which
|
|---|
| 577 | appears when playing web videos encoded with av1 (libdav1d). If WebRender
|
|---|
| 578 | has been enabled, a GPU Process will also appear when firefox has to
|
|---|
| 579 | repaint (e.g. scrolling, opening a new tab, or playing a video).
|
|---|
| 580 | </para>
|
|---|
| 581 |
|
|---|
| 582 | </sect3>
|
|---|
| 583 | </sect2>
|
|---|
| 584 |
|
|---|
| 585 | <sect2 role="content">
|
|---|
| 586 | <title>Contents</title>
|
|---|
| 587 |
|
|---|
| 588 | <segmentedlist>
|
|---|
| 589 | <segtitle>Installed Programs</segtitle>
|
|---|
| 590 | <segtitle>Installed Libraries</segtitle>
|
|---|
| 591 | <segtitle>Installed Directory</segtitle>
|
|---|
| 592 |
|
|---|
| 593 | <seglistitem>
|
|---|
| 594 | <seg>
|
|---|
| 595 | firefox
|
|---|
| 596 | </seg>
|
|---|
| 597 | <seg>
|
|---|
| 598 | Numerous libraries, browser components, plugins, extensions, and
|
|---|
| 599 | helper modules installed in /usr/lib/firefox
|
|---|
| 600 | </seg>
|
|---|
| 601 | <seg>
|
|---|
| 602 | /usr/lib/firefox
|
|---|
| 603 | </seg>
|
|---|
| 604 | </seglistitem>
|
|---|
| 605 | </segmentedlist>
|
|---|
| 606 |
|
|---|
| 607 | <variablelist>
|
|---|
| 608 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|---|
| 609 | <?dbfo list-presentation="list"?>
|
|---|
| 610 | <?dbhtml list-presentation="table"?>
|
|---|
| 611 |
|
|---|
| 612 | <varlistentry id="firefox-prog">
|
|---|
| 613 | <term><command>firefox</command></term>
|
|---|
| 614 | <listitem>
|
|---|
| 615 | <para>
|
|---|
| 616 | is a <application>GTK+-3</application> internet browser that uses
|
|---|
| 617 | the Mozilla Gecko rendering engine
|
|---|
| 618 | </para>
|
|---|
| 619 | <indexterm zone="firefox firefox-prog">
|
|---|
| 620 | <primary sortas="b-firefox">firefox</primary>
|
|---|
| 621 | </indexterm>
|
|---|
| 622 | </listitem>
|
|---|
| 623 | </varlistentry>
|
|---|
| 624 |
|
|---|
| 625 | </variablelist>
|
|---|
| 626 |
|
|---|
| 627 | </sect2>
|
|---|
| 628 |
|
|---|
| 629 | </sect1>
|
|---|
