source: BOOK/final-system/common/readline.xml@ ca39770

<?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;
]>

<sect1 id="ch-system-readline" role="wrap">
  <?dbhtml filename="readline.html"?>

  <title>Readline-&readline-version;</title>

  <indexterm zone="ch-system-readline">
    <primary sortas="a-Readline">Readline</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>The Readline package is a set of libraries that offers command-line
    editing and history capabilities.</para>

  </sect2>

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

    <para os="p1">The following patch contains updates from the maintainer. The
    maintainer of Readline only releases these patches to fix serious issues:</para>

<screen os="p2"><userinput>patch -Np1 -i ../&readline-branch_update-patch;</userinput></screen>

<para os="s1">Reinstalling Readline moves the old libraries to
    &lt;libraryname&gt; and a linking bug may occur in 
    <command>ldconfig</command>. Prevent this with the following seds:</para>

<screen os="s2"><userinput>sed -i '/MV.*old/d' Makefile.in
sed -i '/{OLDSUFF}/c:' support/shlib-install</userinput></screen>

    <para os="a">Prepare Readline for compilation:</para>

<screen os="b"><userinput>./configure \
    --prefix=/usr \
    --libdir=/lib \
    --docdir=/usr/share/doc/readline-&readline-version;</userinput></screen>

    <para os="c">Compile the package:</para>

<screen os="d"><userinput>make SHLIB_LIBS=-lncurses</userinput></screen>

    <para os="e">This package does not come with a test suite.</para>

    <para os="f">Install the package:</para>

<screen os="g"><userinput>make SHLIB_LIBS=-lncurses htmldir=/usr/share/doc/readline-&readline-version; install</userinput></screen>

    <para os="h">Now move the static libraries to a more appropriate location:</para>

<screen os="i"><userinput>mv -v /lib/lib{readline,history}.a /usr/lib</userinput></screen>

    <para os="j">Next, relink the dynamic libraries into <filename class="directory">/usr/lib</filename> and remove the <filename class="extension">.so</filename> files in <filename class="directory">/lib</filename>.</para>

<screen os="k"><userinput>ln -svf ../../lib/$(readlink /lib/libreadline.so) /usr/lib/libreadline.so
ln -svf ../../lib/$(readlink /lib/libhistory.so) /usr/lib/libhistory.so
rm -v /lib/lib{readline,history}.so</userinput></screen>

  </sect2>

  <sect2 id="contents-readline" role="content">
    <title>Contents of Readline</title>

    <segmentedlist>
      <segtitle>Installed libraries</segtitle>
      <segtitle>Installed directories</segtitle>

      <seglistitem>
        <seg>libhistory.[a,so], libreadline.[a,so]</seg>
        <seg>/usr/include/readline, /usr/share/doc/readline-&readline-version;, /usr/share/readline</seg>
      </seglistitem>
    </segmentedlist>

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

      <varlistentry id="libhistory">
        <term><filename class="libraryfile">libhistory</filename></term>
        <listitem>
          <para>Provides a consistent user interface
          for recalling lines of history</para>
          <indexterm zone="ch-system-readline libhistory">
            <primary sortas="c-libhistory">libhistory</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libreadline">
        <term><filename class="libraryfile">libreadline</filename></term>
        <listitem>
          <para>Aids in the consistency of user interface
          across discrete programs that need to provide a command line
          interface</para>
          <indexterm zone="ch-system-readline libreadline">
            <primary sortas="c-libreadline">libreadline</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>