Asking for a CMake feature

[Brad King]

Albert Astals Cid wrote:
> unsermake had a nice feature that when doing
> make install
> did only really install what had changed, that is quite important, because 
> imagine you fix one header in kdelibs and do make install, ALL headers are 
> installed and automatically all your programs want to start rebuilding 
> because they think the header changed. 
> 
> If only the changed header is installed things rebuild much less and my 
> productivity increases.
> 
> So, please please please, can CMake devels make this happen?

Fixed in CVS CMake.

-Brad