<project default="build-war">

  <property name="source.root" value="build"/>
  <property name="dest.dir" value="."/>
  <property name="deploy.name" value="${APP}"/>

  <target name="build-war">
    <jar jarfile="${dest.dir}/${deploy.name}.war">
      <fileset dir="${source.root}/delivery/files"/>
    </jar>
  </target>

</project>