[fcce89bc] | 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 | <!-- TODO: rename firefox-version to ff78-version,
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| 8 | to make our life easier when Firefox goes into next ESR. -->
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| 9 | <!ENTITY ff78-version "&firefox-version;">
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| 10 | <!ENTITY js78-download-http "&mozilla-http;/firefox/releases/&ff78-version;esr/source/firefox-&ff78-version;esr.source.tar.xz">
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| 11 | <!ENTITY js78-download-ftp " ">
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| 12 | <!-- 78.1.0 -->
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| 13 | <!ENTITY js78-md5sum "4fec654ff75d469da53356644645e785">
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| 14 | <!ENTITY js78-size "317 MB">
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[923952b] | 15 | <!ENTITY js78-buildsize "2.9 GB (30 MB installed after removing 31MB static lib)">
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[fcce89bc] | 16 | <!ENTITY js78-time "2.2 SBU (with parallelism = 4)">
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| 17 | ]>
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| 18 |
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| 19 | <sect1 id="js78" xreflabel="js78-&ff78-version;">
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| 20 | <?dbhtml filename="js78.html"?>
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| 21 |
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| 22 | <sect1info>
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| 23 | <othername>$LastChangedBy$</othername>
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| 24 | <date>$Date$</date>
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| 25 | </sect1info>
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| 26 |
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| 27 | <title>JS-&ff78-version;</title>
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| 28 |
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| 29 | <indexterm zone="js78">
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| 30 | <primary sortas="a-js78">js78</primary>
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| 31 | </indexterm>
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| 32 |
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| 33 | <!-- WIP, do NOT add into book for now. -->
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| 34 |
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| 35 | <sect2 role="package">
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| 36 | <title>Introduction to JS</title>
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| 37 |
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| 38 | <para>
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| 39 | <application>JS</application> is Mozilla's JavaScript engine
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| 40 | written in C. JS78 is taken from Firefox.
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| 41 | </para>
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| 42 |
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| 43 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 44 | <itemizedlist spacing="compact">
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| 45 | <listitem>
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| 46 | <para>
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| 47 | Download (HTTP): <ulink url="&js78-download-http;"/>
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| 48 | </para>
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| 49 | </listitem>
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| 50 | <listitem>
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| 51 | <para>
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| 52 | Download (FTP): <ulink url="&js78-download-ftp;"/>
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| 53 | </para>
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| 54 | </listitem>
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| 55 | <listitem>
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| 56 | <para>
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| 57 | Download MD5 sum: &js78-md5sum;
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| 58 | </para>
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| 59 | </listitem>
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| 60 | <listitem>
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| 61 | <para>
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| 62 | Download size: &js78-size;
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| 63 | </para>
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| 64 | </listitem>
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| 65 | <listitem>
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| 66 | <para>
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| 67 | Estimated disk space required: &js78-buildsize;
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| 68 | </para>
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| 69 | </listitem>
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| 70 | <listitem>
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| 71 | <para>
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| 72 | Estimated build time: &js78-time;
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| 73 | </para>
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| 74 | </listitem>
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| 75 | </itemizedlist>
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| 76 |
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| 77 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 78 | <itemizedlist spacing="compact">
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| 79 | <listitem>
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| 80 | <para>
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| 81 | Required patch:
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| 82 | <ulink url="&patch-root;/js78-code_coverage-1.patch"/>
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| 83 | </para>
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| 84 | </listitem>
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| 85 | </itemizedlist>
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| 86 |
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| 87 | <bridgehead renderas="sect3">JS78 Dependencies</bridgehead>
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| 88 |
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| 89 | <bridgehead renderas="sect4">Required</bridgehead>
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| 90 | <para role="required">
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| 91 | <xref linkend="autoconf213"/>,
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| 92 | <xref linkend="icu"/>,
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| 93 | <xref linkend="rust"/>, and
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| 94 | <xref linkend="which"/>
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| 95 | </para>
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| 96 |
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| 97 | <!-- It seems nasm is only used for aarch64-win64. -->
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| 98 | <!--bridgehead renderas="sect4">Optional</bridgehead>
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| 99 | <para role="optional">
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| 100 | <xref linkend="nasm"/>
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| 101 | </para-->
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| 102 |
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| 103 | <para condition="html" role="usernotes">
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| 104 | User Notes: <ulink url="&blfs-wiki;/js78"/>
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| 105 | </para>
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| 106 | </sect2>
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| 107 |
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| 108 | <sect2 role="installation">
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| 109 | <title>Installation of JS</title>
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| 110 |
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| 111 | <caution>
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| 112 | <para>
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| 113 | If you are upgrading JS78 from a previously installed old version,
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| 114 | save all work and exit your GNOME Session if you have one running.
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| 115 | Replacing the JS78 binary will cause the GNOME Shell to crash and
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| 116 | return you to your display manager or TTY. After installing the new
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| 117 | version, if GNOME Shell still doesn't work, reinstall
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| 118 | <xref linkend="gjs"/>.
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| 119 | </para>
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| 120 | </caution>
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| 121 |
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| 122 | <note>
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| 123 | <para>
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| 124 | Unlike most other packages in BLFS, the instructions below require you
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| 125 | to untar <filename>firefox-&ff78-version;esr.tar.xz</filename> and
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| 126 | change into the <filename>firefox-&ff78-version;</filename> folder.
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| 127 | </para>
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| 128 |
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| 129 | <para>
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| 130 | Extracting the tarball
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| 131 | will reset the permissions of the current directory to 0755 if you
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| 132 | have permission to do that. If you do this in a directory where
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| 133 | the sticky bit is set, such
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| 134 | as <filename class="directory">/tmp</filename> it will end with error
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| 135 | messages:
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| 136 | </para>
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| 137 |
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| 138 | <literallayout>tar: .: Cannot utime: Operation not permitted
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| 139 | tar: .: Cannot change mode to rwxr-xr-t: Operation not permitted
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| 140 | tar: Exiting with failure status due to previous errors
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| 141 | </literallayout>
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| 142 |
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| 143 | <para>
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| 144 | This does finish with non-zero status, but it does
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| 145 | <emphasis>NOT</emphasis> mean there is a real problem.
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| 146 | Do not untar as the <systemitem class="username">root</systemitem> user
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| 147 | in a directory where the sticky bit is set - that will unset it.
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| 148 | </para>
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| 149 |
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| 150 | </note>
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| 151 |
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| 152 | <!-- It's likely to be merged in 78.2.0. -->
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| 153 | <para>
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| 154 | Apply a patch required by <xref linkend="gjs"/>:
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| 155 | </para>
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| 156 |
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| 157 | <screen><userinput>patch -Np1 -i ../js78-code_coverage-1.patch</userinput></screen>
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| 158 |
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| 159 | <para>
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| 160 | Install <application>JS</application> by running the following
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| 161 | commands:
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| 162 | </para>
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| 163 |
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| 164 | <note>
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| 165 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 166 | href="../../xincludes/mozshm.xml"/>
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| 167 |
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| 168 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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| 169 | href="../../xincludes/mozconfigure.xml"/>
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| 170 | </note>
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| 171 |
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| 172 |
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| 173 | <screen><userinput>mkdir obj &&
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| 174 | cd obj &&
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| 175 |
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| 176 | CC=gcc CXX=g++ \
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| 177 | ../js/src/configure --prefix=/usr \
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| 178 | --with-intl-api \
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| 179 | --with-system-zlib \
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| 180 | --with-system-icu \
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| 181 | --disable-jemalloc \
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| 182 | --disable-debug-symbols \
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| 183 | --enable-readline &&
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| 184 | make</userinput></screen>
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| 185 |
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| 186 | <para>
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| 187 | <!-- All JIT tests pass with 78.1.0 and GNOME patch. -->
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| 188 | To run JIT test suite, issue:
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| 189 | <command>make -C js/src check-jit-test
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| 190 | JITTEST_EXTRA_ARGS="--timeout 300"</command>.
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| 191 | The other parts of test suite are not functional on BLFS.
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| 192 | </para>
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| 193 |
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| 194 | <para>
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| 195 | Now, as the <systemitem class="username">root</systemitem> user:
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| 196 | </para>
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| 197 |
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| 198 | <screen role="root"><userinput>make install &&
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| 199 | rm -v /usr/lib/libjs_static.ajs &&
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| 200 | sed '/@NSPR_CFLAGS@/d' /usr/bin/js78-config</userinput></screen>
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| 201 |
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| 202 | </sect2>
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| 203 |
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| 204 | <!-- Several gjs-1.65.90 tests fail with js78. Not sure why.
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| 205 | OTOH an "otherwise" GNOME-3.36 environment works fine. -->
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| 206 |
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| 207 | <sect2 role="commands">
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| 208 | <title>Command Explanations</title>
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| 209 |
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| 210 | <para>
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| 211 | <envar>CC=gcc CXX=g++</envar>: Upstream now prefers
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| 212 | <application>clang</application>, override it like other Mozilla
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| 213 | packages in BLFS book.
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| 214 | </para>
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| 215 |
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| 216 | <para>
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| 217 | <parameter>--with-*</parameter>: These parameters allow the build system
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| 218 | to use system versions of the above libraries. These are required for
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| 219 | stability.
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| 220 | </para>
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| 221 |
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| 222 | <para>
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| 223 | <parameter>--enable-readline</parameter>: This switch enables Readline
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| 224 | support in the JS shell.
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| 225 | </para>
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| 226 |
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| 227 | <para>
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| 228 | <parameter>--disable-jemalloc</parameter>: This switch disables the
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| 229 | internal memory allocator used in JS78. jemalloc causes a conflict with glibc.
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| 230 | </para>
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| 231 |
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| 232 | <para>
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| 233 | <parameter>--disable-debug-symbols</parameter>: Don't generate debug
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| 234 | symbols since they are very large and most users won't need it. Remove
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| 235 | it if you want to debug JS78.
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| 236 | </para>
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| 237 |
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| 238 | <para>
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| 239 | <command>rm -v /usr/lib/libjs_static.ajs</command>: Remove a large
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| 240 | static library which is not used by any BLFS package.
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| 241 | </para>
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| 242 |
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| 243 | <para>
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| 244 | <!-- recheck on 78.2.0 -->
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| 245 | <command>sed '/@NSPR_CFLAGS@/d' /usr/bin/js78-config</command>:
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| 246 | Prevent <command>js78-config</command> to print buggy CFLAGS.
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| 247 | </para>
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| 248 |
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| 249 | </sect2>
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| 250 |
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| 251 | <sect2 role="content">
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| 252 | <title>Contents</title>
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| 253 |
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| 254 | <segmentedlist>
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| 255 | <segtitle>Installed Programs</segtitle>
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| 256 | <segtitle>Installed Libraries</segtitle>
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| 257 | <segtitle>Installed Directories</segtitle>
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| 258 |
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| 259 | <seglistitem>
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| 260 | <seg>
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| 261 | js78 and js78-config
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| 262 | </seg>
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| 263 | <seg>
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| 264 | libmozjs-78.so
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| 265 | </seg>
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| 266 | <seg>
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| 267 | /usr/include/mozjs-78
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| 268 | </seg>
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| 269 | </seglistitem>
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| 270 | </segmentedlist>
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| 271 |
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| 272 | <variablelist>
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| 273 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 274 | <?dbfo list-presentation="list"?>
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| 275 | <?dbhtml list-presentation="table"?>
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| 276 |
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| 277 | <varlistentry id="js6-js78">
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| 278 | <term><command>js78</command></term>
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| 279 | <listitem>
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| 280 | <para>
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| 281 | provides a command line interface to the
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| 282 | <application>JavaScript</application> engine.
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| 283 | </para>
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| 284 | <indexterm zone="js78 js78">
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| 285 | <primary sortas="b-js78">js78</primary>
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| 286 | </indexterm>
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| 287 | </listitem>
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| 288 | </varlistentry>
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| 289 |
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| 290 | <varlistentry id="js78-config">
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| 291 | <term><command>js78-config</command></term>
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| 292 | <listitem>
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| 293 | <para>
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| 294 | is used to find the JS compiler and linker flags.
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| 295 | </para>
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| 296 | <indexterm zone="js78 js78-config">
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| 297 | <primary sortas="b-js78-config">js78-config</primary>
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| 298 | </indexterm>
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| 299 | </listitem>
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| 300 | </varlistentry>
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| 301 |
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| 302 | <varlistentry id="libmozjs-78">
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| 303 | <term><filename class="libraryfile">libmozjs-78.so</filename></term>
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| 304 | <listitem>
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| 305 | <para>
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| 306 | contains the Mozilla JavaScript API functions.
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| 307 | </para>
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| 308 | <indexterm zone="js78 libmozjs-78">
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| 309 | <primary sortas="c-libmozjs78">libmozjs-78.so</primary>
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| 310 | </indexterm>
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| 311 | </listitem>
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| 312 | </varlistentry>
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| 313 | </variablelist>
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| 314 | </sect2>
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| 315 | </sect1>
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