Create RCL_1 branch to isolate Symbian^2 builds from changes that only work on Symbian^3.
Branch point is the latest that seems to work out of the box.
<?xml version="1.0" encoding="UTF-8"?>
<SystemDefinition schema="3.0.0">
<package id="qemu" name="QEMU" levels="hw-if">
<collection id="baseport" name="Baseport" level="hw-if">
<component id="syborg" name="Syborg" introduced="symbian^2" purpose="optional">
<unit bldFile="baseport/syborg" mrp="baseport/syborg/syborg.mrp"/>
</component>
</collection>
</package>
</SystemDefinition>