build.xml

<project name="jfast" default="dist">

    <property name="version" value="1.0lcs4" />
    <property name="build"   value="build" />
    <property name="source"  value="source" />
    <property name="dist"    value="dist" />
        
    <!-- clean build data -->
    <target name="clean">
        <delete dir="${build}" />
        <delete dir="${dist}" />
    </target>    
    
    <!-- compile -->
    <target name="compile">
        <mkdir dir="${build}" />
        <javac srcdir="${source}" destdir="${build}" />
    </target>
    
    <!-- create jar -->
    <target name="dist" depends="compile">
        <mkdir dir="${dist}" />
        <jar destfile="${dist}/${ant.project.name}-${version}.jar" 
            basedir="${build}" />
    </target>

</project>