[Cmake] enhanced FintQt.cmake

[Brad King]

Alexander Neundorf wrote:
> Hi, 
>  
> attached is a new version of FinQt.cmake . 
> It uses a variable QT_MT_REQUIRED , which has to be set if you need the 
> multithreaded version of Qt, and the variable QT_MIN_VERSION, which has to 
> be set to something like "3.1.0". Then it will check whether the currently 
> found Qt version has at least this version. 
> If not, it quits with MESSAGE(FATAL_ERROR ...). Is this the recommended 
> way to bail out in the error case ? 
> Additionally I removed the default directories containing "qt3" (since 
> this won't fit for other Qt versions) and added /usr/lib/qt/lib. 

Please submit this to the bug tracker as a feature request:

http://www.cmake.org/Bug

That way the contribution will be documented.

Thanks,
-Brad