target name init main generated mkdir dir builddir generated apply exe

    <target name="init.main.generated">
        <mkdir dir="${builddir.generated}"/>
        <apply executable="mkdir" dest="${builddir.generated}"
            failonerror="true" parallel="false" addsourcefile="false" relative="true">
            <arg value="-p"/>
            <targetfile/>
            <fileset dir="${srcdir.main.ragel}" includes="**/*.rl"/>
            <mapper type="regexp" from="(.*)/[^/]+[.]rl" to="${builddir.generated}/\1"/>
        </apply>
    </target>

    <target name="generate.main" depends="init.main.generated">
        <apply executable="ragel" dest="${builddir.generated}"
            failonerror="true" parallel="false">
            <arg value="-J"/>
            <arg value="-o"/>
            <targetfile/>
            <srcfile/>
            <fileset dir="src/main/ragel" includes="**/*.rl"/>
            <mapper type="glob" from="*.rl" to="*.java"/>
        </apply>
    </target>