distro-source/build.xml

<project name="dist" default="build" basedir=".">
  <property name="gwt.root" location=".." />
  <property name="project.tail" value="distro-source" />
  <import file="${gwt.root}/platforms.ant.xml" />

  <target name="clean" description="Cleans this project's intermediate and output files">
    <delete dir="${gwt.build.dist}" failonerror="false" />
    <delete dir="${gwt.build.staging}" failonerror="false" />
  </target>
</project>