Remove all 2.0 pkgdefs in symbian4 and rename all 3.0 pkgdefs to package_definition.xml
<?xml version="1.0" encoding="UTF-8"?>
<SystemDefinition schema="3.0.0" xmlns:qt="http://www.nokia.com/qt">
<package id="webruntime" name="Web Runtime">
<!-- need to break up this package nito collections and components -->
<collection id="webruntime_info" name="Web Runtime Info">
<component id="webruntime_build" name="Web Runtime Build" introduced="^4">
<unit bldFile="." qt:proFile="cwrt.pro" qt:qmakeArgs=""what+=ninetwo" "what+=tenone" "what+=qt_unstable" "what+=wrtlite" "what+=exportiby""/>
</component>
</collection>
</package>
</SystemDefinition>