KArchive for Qt4

[Stephen Kelly]

Alexander Neundorf wrote:

>> the variable for includes is not complete. you include most bits by
>> doing include <threadweaver/foo>, but threadweaver/foo includes
>> "threadweaver_export.h", so the threadweaver_INCLUDE_DIR variable isn't
>> complete enough. I needed
>> include_directories(${threadweaver_INCLUDE_DIR}
>> ${threadweaver_INCLUDE_DIR}/threadweaver) to get it to be used.
> 
> Ok.
> I'll take this as another argument for having the Config.cmake files local
> per-project, and not using a default one coming from cmake or e-c-m.

This is somewhat related to David's question about kio includes. It won't be 
an issue anymore with CMake 2.8.11 anyway.