build.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project default="create_run_jar" name="Create Runnable Jar for Project Tdip with libraries in sub-folder">
    <!--this file was created by Eclipse Runnable JAR Export Wizard-->
    <!--ANT 1.7 is required                                        -->
    <!--define folder properties-->
    <property name="dir.buildfile" value="."/>
    <property name="dir.workspace" value="./"/>
    <property name="dir.jarfile" value="${dir.buildfile}"/>
    <property name="lib.dir"     value="./lib"/>
    <path id="classpath">
        <fileset dir="${lib.dir}" includes="**/*.jar"/>
    </path>

    <target name="compile">
        <javac includeantruntime="false"  srcdir="${dir.workspace}/src" destdir="${dir.workspace}/bin" >
        <classpath refid="classpath" />
        </javac>
    </target>
    <target name="create_run_jar" depends="compile">
        <jar destfile="${dir.jarfile}/AliDip2BK.jar">
            <manifest>
                <attribute name="Main-Class" value="alice.dip.Dip2BK"/>
            </manifest>
            <fileset dir="${dir.workspace}/bin"/>
        </jar>
    </target>
</project>