<target name="compile" depends="builddir">

	<!-- The javacc targets could be smarter... -->

	<target name="checkjjt">

		<uptodate property="jjtree.notRequired" 

				targetfile="${src-dir}/bsh/bsh.jj"

		>

			<srcfiles dir="${src-dir}/bsh" includes="bsh.jjt"/>

		</uptodate>

	</target>

	<target name="checkjj">

		<uptodate property="javacc.notRequired" 

				targetfile="${src-dir}/bsh/Parser.java"

		>

			<srcfiles dir="${src-dir}/bsh" includes="bsh.jj"/>

		</uptodate>

	</target>

	<!-- Create bsh.jj when bsh.jjt changes. -->

	<target name="jjtree" unless="jjtree.notRequired" depends="checkjjt">

		<java classname="jjtree"

			fork="yes"

			failonerror="yes" >

			<arg 

				line="-OUTPUT_DIRECTORY=${src-dir}/bsh ${src-dir}/bsh/bsh.jjt"/>

			<classpath>

				<fileset refid="lib-fileset"/>

			</classpath>

		</java>

	</target>

	<!-- Create Parser.java when bsh.jj changes. -->

	<target name="javacc" unless="javacc.notRequired" depends="checkjj">

		<java classname="javacc"

			fork="yes"

			failonerror="yes" >

			<!-- classpath="${javacc-lib}" -->

			<arg line="-OUTPUT_DIRECTORY=${src-dir}/bsh ${src-dir}/bsh/bsh.jj"/>

			<classpath>

				<fileset refid="lib-fileset"/>

			</classpath>

		</java>

	</target>

	<target name="compile" depends="jjtree,javacc,builddir">