   use absolute paths:
  </p>
  <pre>
    &lt;property name="dest.dir" location="dest"/&gt;
    &lt;uptodate property="checkUptodate.uptodate"&gt;
      &lt;srcfiles dir="src" includes="*"/&gt;
      &lt;mapper type="merge" to="${dest.dir}/output.done"/&gt;
    &lt;/uptodate&gt;
  </pre>



</body>
</html>

