[CMake] Disabling RTTI in a portable way

[Bill Hoffman]

Robert Dailey wrote:
> This seems like something within the scope of the problem domain CMake 
> was designed to address. It can be done differently for each compiler, 
> which means CMake should create an abstraction for this. Perhaps a 
> function like disable_rtti( target_name ), or some sort of target property.
> 
This is a feature request:


http://public.kitware.com/Bug/view.php?id=7643

-Bill