build.xml

<?xml version="1.0"?>
<project name="AnimatsChess" basedir="." default="jar">
    <property name="src" value="src"/>
    <property name="output" value="build"/>

    <target name="jar" depends="compile">
		<copy todir="build">
			<fileset dir="classes"/>
		</copy>
        <jar destfile="bin/AnimatsChess.jar">
            <fileset dir="build"/>
			<manifest>
				<attribute name="Main-Class" value="net.animats.chess.AnimatsChess"/>
			</manifest>
        </jar>
    </target>

    <target name="compile" depends="create">
        <javac destdir="build">            
            <src path="${src}"/>            
        </javac>
    </target>

    <target name="create" depends="clean">
        <mkdir dir="${output}"/>
    </target>

    <target name="clean">
        <delete dir="${output}"/>
    </target>

</project>