app/commonemail package_definition is complete fantasy - we have no qt files at all yet
Simple fix is to invoke the top-level group\bld.inf
source,dst,type,pattern,sysdef
http://developer.symbian.org/oss/FCL/sf/os/usb/,/sf/os/usb,branch,CompilerCompatibility,
http://developer.symbian.org/oss/FCL/sf/os/kernelhwsrv/,/sf/os/kernelhwsrv,branch,CompilerCompatibility,layers.sysdef.xml