Make use of system include paths returned by Raptor config query.
<?xml version="1.0" encoding="UTF-8"?>
<project name="com.nokia.sdt.uidesigner.help" default="build.index" basedir=".">
<target name="build.index" if="eclipse.running" >
<help.buildHelpIndex manifest="${basedir}/plugin.xml" destination="${basedir}" />
</target>
</project>