build.xml

<project name="duby" default="jar">
  <target name="bootstrap">
    <mkdir dir="dist"/>
    <jar jarfile="dist/duby.jar">
      <fileset dir="lib"/>
      <fileset dir="." includes="bin/*"/>
      <fileset dir="../jvmscript/lib"/>
    </jar>
  </target>
  
  <target name="clean">
    <delete quiet="true" dir="build"/>
    <delete quiet="true" dir="dist"/>
  </target>
  
  <target name="compile">
    <mkdir dir="build"/>
    <java classname="org.jruby.Main"
          classpath="javalib/jruby-complete.jar:javalib/JRubyParser.jar:dist/duby.jar"
          fork="true" failonerror="true" dir="src">
      <arg value="-e"/>
      <arg value="load 'bin/dubyc'"/>
      <arg value="--"/>
      <arg value="-d"/>
      <arg file="build"/>
      <arg value="org/jruby/duby"/>
    </java>
  </target>

  <target name="jar" depends="compile">
    <mkdir dir="dist"/>
    <jar jarfile="dist/duby.jar">
      <fileset dir="lib"/>
      <fileset dir="build"/>
      <fileset dir="." includes="bin/*"/>
      <fileset dir="../jvmscript/lib"/>
    </jar>
  </target>
</project>