source: general/genlib/gobject-introspection.xml@ 048071e

<?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 gobject-introspection-download-http
    "&gnome-download-http;/gobject-introspection/1.74/gobject-introspection-&gobject-introspection-version;.tar.xz">
  <!ENTITY gobject-introspection-download-ftp
    "&gnome-download-ftp;/gobject-introspection/1.74/gobject-introspection-&gobject-introspection-version;.tar.xz">
  <!ENTITY gobject-introspection-md5sum        "ed4e290c5ca8737a62c9a7f5347ae10d">
  <!ENTITY gobject-introspection-size          "1.0 MB">
  <!ENTITY gobject-introspection-buildsize     "42 MB (with tests)">
  <!ENTITY gobject-introspection-time          "0.2 SBU (With tests; both using parallelism=4)">
]>
<sect1 id="gobject-introspection" xreflabel="gobject-introspection-&gobject-introspection-version;">
  <?dbhtml filename="gobject-introspection.html"?>


  <title>gobject-introspection-&gobject-introspection-version;</title>

  <indexterm zone="gobject-introspection">
    <primary sortas="a-gobject-introspection">gobject-introspection</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to GObject Introspection</title>

    <para>
      The <application>GObject Introspection</application> is used
      to describe the program APIs and collect them in a uniform,
      machine readable format.
    </para>

    &lfs112_checked;

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

    <bridgehead renderas="sect3">GObject Introspection Dependencies</bridgehead>

    <bridgehead renderas="sect4">Required</bridgehead>
    <para role="required">
      <xref linkend="glib2"/>
    </para>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="cairo"/> (required for the tests),
      <xref linkend="gjs"/> (to satisfy one test),
      <xref linkend="gtk-doc"/>,
      <xref linkend="Mako"/>, and
      <xref linkend="markdown"/>
      <!--<ulink url="https://pypi.org/project/Markdown/">Markdown</ulink> (to satisfy one test)-->
      <!-- There was talk of this being required in the release notes. Can someone
      who doesn't have this installed verify?
      It is only needed for one test.  bdubbs March 3, 2019
      I do not have Markdown and all tests pass for 1.74.0.  Sep 2022
      More investigation notes that Markdown and Mako are needed for gi-doc-tool.
      January 2023
      -->
    </para>

    <para condition="html" role="usernotes">User Notes:
      <ulink url="&blfs-wiki;/gobject-introspection"/>
    </para>
  </sect2>

  <sect2 role="installation">
    <title>Installation of GObject Introspection</title>

    <para>
      Install <application>GObject Introspection</application> by running
      the following commands:
    </para>

<screen><userinput>mkdir build &amp;&amp;
cd    build &amp;&amp;

meson --prefix=/usr --buildtype=release .. &amp;&amp;
ninja</userinput></screen>

    <para>
      To test the results, issue: <command>ninja test</command>.
    </para>

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

<screen role="root"><userinput>ninja install</userinput></screen>

  </sect2>

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

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
      href="../../xincludes/meson-buildtype-release.xml"/>

    <para>
      <option>-Dgtk_doc=true</option>: Build and install
      the documentation.
    </para>

    <para>
      <option>-Dcairo=enabled</option>: Use cairo for tests.
    </para>

    <para>
      <option>-Ddoctool=enabled</option>: Install g-ir-doc-tool
      and run related tests. You must have
      <xref linkend="Mako" role="nodep"/> and
      <xref linkend="markdown" role="nodep"/> installed in order
      to install this utility.
    </para>

  </sect2>

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

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

      <!-- g-ir-doc-tool is installed if Mako and Markdown are present -->
      <seglistitem>
        <seg>
          g-ir-annotation-tool, g-ir-compiler, g-ir-doc-tool,
          g-ir-generate, g-ir-inspect, and g-ir-scanner
        </seg>
        <seg>
          libgirepository-1.0.so and
          _giscanner.&python3-lib-suffix;.so
        </seg>
        <seg>
          /usr/include/gobject-introspection-1.0,
          /usr/lib/girepository-1.0,
          /usr/lib/gobject-introspection,
          /usr/share/gir-1.0, and
          /usr/share/gobject-introspection-1.0
        </seg>
      </seglistitem>
    </segmentedlist>

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

      <varlistentry id="g-ir-annotation-tool">
        <term><command>g-ir-annotation-tool</command></term>
        <listitem>
          <para>
            creates or extracts annotation data from GI typelibs
          </para>
          <indexterm zone="gobject-introspection g-ir-annotation-tool">
            <primary sortas="b-g-ir-annotation-tool">g-ir-annotation-tool</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="g-ir-compiler">
        <term><command>g-ir-compiler</command></term>
        <listitem>
          <para>
            converts one or more GIR files into one or more typelib
          </para>
          <indexterm zone="gobject-introspection g-ir-compiler">
            <primary sortas="b-g-ir-compiler">g-ir-compiler</primary>
          </indexterm>
        </listitem>
      </varlistentry>

     <varlistentry id="g-ir-doc-tool">
        <term><command>g-ir-doc-tool</command></term>
        <listitem>
          <para>
            generates Mallard files that can be viewed with
            <command>yelp</command> or rendered to HTML with
            <command>yelp-build</command> from
            <ulink url="&gnome-download-http;/yelp-tools">yelp-tools</ulink>
          </para>
          <indexterm zone="gobject-introspection g-ir-doc-tool">
            <primary sortas="b-g-ir-doc-tool">g-ir-doc-tool</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="g-ir-inspect">
        <term><command>g-ir-inspect</command></term>
        <listitem>
          <para>
            is a utility that gives information about a GI typelib
          </para>
          <indexterm zone="gobject-introspection g-ir-inspect">
            <primary sortas="b-g-ir-inspect">g-ir-inspect</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="g-ir-generate">
        <term><command>g-ir-generate</command></term>
        <listitem>
          <para>
            is a GIR generator that uses the repository API
          </para>
          <indexterm zone="gobject-introspection g-ir-generate">
            <primary sortas="b-g-ir-generate">g-ir-generate</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="g-ir-scanner">
        <term><command>g-ir-scanner</command></term>
        <listitem>
          <para>
            is a tool which generates GIR XML files by parsing headers and
            introspecting GObject based libraries
          </para>
          <indexterm zone="gobject-introspection g-ir-scanner">
            <primary sortas="b-g-ir-scanner">g-ir-scanner</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libgirepository-1.0">
        <term><filename class="libraryfile">libgirepository-1.0.so</filename></term>
        <listitem>
          <para>
            provides an API to access the typelib metadata
          </para>
          <indexterm zone="gobject-introspection libgirepository-1.0">
            <primary sortas="c-libgirepository-1.0">libgirepository-1.0.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>