protobuf/java/lite/process-lite-sources-build.xml

<project name="process-lite-sources">
    <exec executable="awk" output="${generated.testsources.dir}/com/google/protobuf/TestUtil.java">
      <arg value="-f" />
      <arg value="${basedir}/lite.awk" />
      <arg value="${basedir}/../core/src/test/java/com/google/protobuf/TestUtil.java" />
    </exec>
</project>