[CMake] Using relative paths with INSTALL

[Clinton Stimpson]

Timothy M. Shead wrote:
> We're going off on a tangent here, so I'll restate my question.  
> Forget the context.  If I write
>
>   INSTALL(FILES foo DESTINATION ../bar)
>
> ... it works fine today.  Will it work in the future?  Is it 
> guaranteed to work on all platforms?  I ask because I recognize that 
> it is an unusual use-case.
>
> Many thanks,
> Tim
>
But you'd only ever do that with the cpack bundle generator, right?
Why not use the drag-n-drop generator instead?  Then you won't have to 
go outside the install prefix.  This is one of the reasons I contributed 
the drag-n-drop generator.

Clint