lfs-book-zh_CN/appendixa/libtool-shortdesc.xml

<sect2><title>Contents of Libtool</title>

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<para>GNU libtool is a generic library support script. Libtool hides
  the complexity of using shared libraries behind a consistent,
  portable interface.</para>

<para><emphasis>Installed programs</emphasis>: libtool and libtoolize</para>

<para><emphasis>Installed libraries</emphasis>: libltdl.[a,so].</para>

</sect2>