lfs-book/chapter08/libtool.xml

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

  <sect1info condition="script">
    <productname>libtool</productname>
    <productnumber>&libtool-version;</productnumber>
    <address>&libtool-url;</address>
  </sect1info>

  <title>Libtool-&libtool-version;</title>

  <indexterm zone="ch-system-libtool">
    <primary sortas="a-Libtool">Libtool</primary>
  </indexterm>

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

    <para>The Libtool package contains the GNU generic library support script.
    It wraps the complexity of using shared libraries in a consistent, portable
    interface.</para>

    <segmentedlist>
      <segtitle>&buildtime;</segtitle>
      <segtitle>&diskspace;</segtitle>

      <seglistitem>
        <seg>&libtool-fin-sbu;</seg>
        <seg>&libtool-fin-du;</seg>
      </seglistitem>
    </segmentedlist>

  </sect2>

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

    <para>Prepare Libtool for compilation:</para>

<screen><userinput remap="configure">./configure --prefix=/usr</userinput></screen>

    <para>Compile the package:</para>

<screen><userinput remap="make">make</userinput></screen>

<para>To test the results<!--(about 11.0 SBU)-->, issue:</para>

<screen><userinput remap="test">make check</userinput></screen>

    <note><para>The test time for libtool can be reduced significantly on a
    system with multiple cores.  To do this, append
    <command>TESTSUITEFLAGS=-j&lt;N&gt;</command> to the line above.  For
    instance, using -j4 can reduce the test time by over 60
    percent.</para></note>

    <para>Five tests are known to fail in the LFS build environment due
    to a circular dependency, but all tests pass if rechecked after 
    automake is installed.</para>

    <para>Install the package:</para>

<screen><userinput remap="install">make install</userinput></screen>

    <!-- dev: - -disable-static works but causes additional test failures
              so we manually remove the static library -->

    <para>Remove an useless static library:</para>

<screen><userinput remap="install">rm -fv /usr/lib/libltdl.a</userinput></screen>

  </sect2>

  <!-- - - - - - - - - - -->
  <!-- Multilib - 32bit  -->
  <!-- - - - - - - - - - -->
  
  <sect2 arch="ml_32,ml_all" role="installation">
    <title>Installation of Libtool - 32bit</title>

    <para>Clean previous build:</para>

<screen><userinput remap="pre">make distclean</userinput></screen>

    <para>Prepare Libtool for compilation:</para>

<screen><userinput remap="configure">CC="gcc -m32" ./configure \
    --prefix=/usr         \
    --libdir=&usr-lib-m32;  \
    --host=i686-pc-linux-gnu</userinput></screen>

    <para>Compile the package:</para>

<screen><userinput remap="make">make</userinput></screen>

    <para>Install the package:</para>

<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
cp -Rv DESTDIR&usr-lib-m32;/* &usr-lib-m32;
rm -rf DESTDIR</userinput></screen>

  </sect2><!-- m32 -->

  <!-- - - - - - - - - - -->
  <!-- Multilib - x32bit -->
  <!-- - - - - - - - - - -->
  
  <sect2 arch="ml_x32,ml_all" role="installation">
    <title>Installation of Libtool - x32bit</title>

    <para>Clean previous build:</para>

<screen><userinput remap="pre">make distclean</userinput></screen>

    <para>Prepare Libtool for compilation:</para>

<screen><userinput remap="configure">CC="gcc -mx32" ./configure \
    --prefix=/usr         \
    --libdir=&usr-lib-mx32;  \
    --host=x86_64-pc-linux-gnux32</userinput></screen>

    <para>Compile the package:</para>

<screen><userinput remap="make">make</userinput></screen>

    <para>Install the package:</para>

<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
cp -Rv DESTDIR&usr-lib-mx32;/* &usr-lib-mx32;
rm -rf DESTDIR</userinput></screen>

  </sect2><!-- mx32 -->

  <sect2 id="contents-libtool" role="content">
    <title>Contents of Libtool</title>

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

      <seglistitem>
        <seg>libtool and libtoolize</seg>
        <seg>libltdl.so</seg>
        <seg>/usr/include/libltdl and /usr/share/libtool</seg>
      </seglistitem>
    </segmentedlist>

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

      <varlistentry id="libtool">
        <term><command>libtool</command></term>
        <listitem>
          <para>Provides generalized library-building support services</para>
          <indexterm zone="ch-system-libtool libtool">
            <primary sortas="b-libtool">libtool</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libtoolize">
        <term><command>libtoolize</command></term>
        <listitem>
          <para>Provides a standard way to add <command>libtool</command>
          support to a package</para>
          <indexterm zone="ch-system-libtool libtoolize">
            <primary sortas="b-libtoolize">libtoolize</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libltdl">
        <term><filename class="libraryfile">libltdl</filename></term>
        <listitem>
          <para>Hides the various difficulties of dlopening libraries</para>
          <indexterm zone="ch-system-libtool libltdl">
            <primary sortas="c-libltdl">libltdl</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>