BuildPlugin.xml

<!--
 usage : java -jar <eclipse launcher jar> -application org.eclipse.ant.core.antRunner -data <workspace dir> -buildfile plugin.xml

 example : java -jar C:\eclipse\plugins\org.eclipse.equinox.launcher_1.0.101.R34x_v20081125.jar -application org.eclipse.ant.core.antRunner -data "workspace" -buildfile BuildPlugin.xml
  -->

<project default="main">

    <target name="main">
        <property name="baseLocation" value="${eclipse.home}"/>
        <property name="buildspace.dir" value="${basedir}" />
        <property name="builder" value="${buildspace.dir}" />
        <property name="buildDirectory" value="${buildspace.dir}/GrxUIonEclipse-project-0.9.8"/>

        <property name="pluginPath" value="${buildspace.dir}" />

        <eclipse.buildScript 
            elements="plugin@com.generalrobotix.ui.grxui"
            baseLocation="${baseLocation}"
            buildDirectory="${buildDirectory}"
         />

        <ant antfile="${buildDirectory}/build.xml" dir="${buildDirectory}" target="build.update.jar" >
            <property name="javacTarget" value="1.6"/>
            <property name="javacSource" value="1.6"/>
        </ant>

        <copy todir="./">
            <fileset dir="${buildDirectory}" includes="com.generalrobotix.ui.grxui*.jar"/>
        </copy>

</target>
</project>