build.xml

<project name="rtlsdrj" default="dist" basedir=".">
	
  <description></description>
  
  <!-- set global properties for this build -->
  <property name="src" location="src"/>
  <property name="bin" location="build/bin" />
  <property name="doc" location="build/doc" />
  <property name="dist" location="build/dist" />
  <property name="include" location="build/include" />

  <property name="javac.source" value="1.6" />
  <property name="javac.target" value="1.6" />
  <property name="javac.debug" value="true" />
  <property name="javac.verbose" value="true" />
  <property name="javah.verbose" value="true" />
  <property name="javadoc.verbose" value="true" />

  <path id="project.classpath">
    <pathelement path="${classpath}"/>
    <!-- <pathelement location="some.jar"/> -->
  </path>

  <target name="clean" description="clean up" >
    <delete dir="${bin}" />
    <delete dir="${doc}" />
    <delete dir="${dist}" />
    <delete dir="${include}" />
  </target>
  
  <target name="init" depends="clean" description="create the directories">
    <tstamp />
    <mkdir dir="${bin}" />
    <mkdir dir="${doc}" />
    <mkdir dir="${dist}" />
    <mkdir dir="${include}" />
  </target>
	
  <target name="bin" depends="init" description="compile the source" >
    <javac srcdir="${src}" destdir="${bin}" verbose="${javac.verbose}"
      debug="${javac.debug}" source="${javac.source}"
      target="${javac.target}" classpathref="project.classpath">
      <!-- <compilerarg line="-Xlint:deprecation -Xlint:unchecked"/> -->
    </javac>
    <javah classpath="${bin}" class="de.rtlsdr.RtlDevice"
      outputFile="${include}/rtlsdrj.h" />
    <exec executable="javap" output="${include}/sigs.txt">
      <arg value="-s" />
      <arg value="-classpath" />
      <arg value="${bin}" />
      <arg value="de.rtlsdr.RtlCallback" />
      <arg value="de.rtlsdr.RtlDevice" />
      <arg value="de.rtlsdr.RtlException" />
      <arg value="de.rtlsdr.UsbStrings" />
      <arg value="de.rtlsdr.XtalFreq" />
    </exec>
  </target>
  
  <target name="doc" depends="init" description="generate the java docs">
    <javadoc packagenames="de.rtlsdr.*" sourcepath="${src}" destdir="${doc}"
      author="true" version="true" use="true" windowtitle="${ant.project.name}"
      Encoding="utf-8" docencoding="iso-8859-1">
      <doctitle>${ant.project.name}</doctitle>
        <bottom><![CDATA[<i>Copyright &#169; 2013, Robert Schoch.</i>]]></bottom>
        <tag name="todo" scope="all" description="ToDo:"/>
        <group title="RTL-SDR Java Native Calls" packages="de.rtlsdr:de.rtlsdr.*" />
      </javadoc>
  </target>

  <target name="dist" depends="bin,doc" description="generate the distribution" >
    <jar jarfile="${dist}/${ant.project.name}-src.jar" basedir="${src}"/>
    <jar jarfile="${dist}/${ant.project.name}-bin.jar" basedir="${bin}"/>
    <jar jarfile="${dist}/${ant.project.name}-doc.jar" basedir="${doc}"/>
  </target>
  
</project>