[RFA] ObjC testsuite use simple NSConstantString implementation

[Nicola Pero]

> > Would conditionalizing '-framework Foundation' on '--disable-libobjc'  
> > (_and_ Darwinness, of course) be a good compromise?
> 
> Not really because again this still does not work on the Darwin OS  
> which does
> not have the Foundation framework and if we are testing the  
> NeXT^wApple's runtime.
> 
> I will hopefully have a patch to add support for the GNU runtime on  
> Darwin machines
> which does not conflict with the NeXT runtime at all so running the  
> Objective-C
> testsuite on both runtimes will become possible.
> 
> I think the patch which David posted is the best alternative for not having the
> Foundation framework.

Yes - I agree on all this (sorry to reiterate my point).

Thanks