lel make facilities provided by
      the open source tool <a href="http://www.gnu.org/software/make/"><em>GNU
      Make</em></a>.</p>

      <p>It provides a number of powerful features aimed primarily at building
      Fortran 9x code.</p>
    </dd>

    <dt>Extract System</dt>

    <dd>
      <p>This system provides the interface between the CM and build systems.
      Code is extracted and presented in a suitable form for the build system.
      Code can be mirrored to a different build platform if nec