<target name="compile" depends="-resource-src, -aidl" description="Compiles project's .duby files into .class files">
      <exec executable="javac" dir="gen">
	<arg value="-d"/>
	<arg value="../bin/classes"/>
	<arg value="../gen/singalong/helloduby/R.java"/>
      </exec>

      <exec executable="dubyc" dir="src">
	<env key="CLASSPATH" file="${sdk.dir}/platforms/${target-version}/android.jar" />
	<arg value="-d" />
	<arg value="../bin/classes" />
	<arg value="-c"/>
	<arg value="../bin/classes" />
	<arg value="." />
      </exec>
</target>