Re: Native ObjC exceptions configure test broken with libobjc2

[Andrew Pinski]

On Sep 18, 2010, at 11:31 AM, David Chisnall <address@hidden> wrote:

> On 18 Sep 2010, at 19:24, Nicola Pero wrote:
>
> > I'd suggest that libobjc2 could include a minimal Object  
> > implementation.
> > Having Object is handy to perform simple configure tests and both  
> > the Apple
> > and GNU runtime include a minimal implementation for that  
> > reason ... it would
> > make sense for libobjc2 to do so too ;-)
>
> Actually, this test will fail with Apple's Modern Runtime too -  
> Object no longer implements +new.  If you define __OBJC2__ (which  
> recent Apple compilers do, you only get these two methods on Object:
>
> +class;
> -(BOOL) isEqual:anObject;
>
> +new is no longer allowed, so there is no defined way of creating  
> Object instances.  Using Object is generally not sensible, so I  
> don't support it in libobjc2.

Except that is part of the gnu runtime abi so not defining it will  
break other things in general.

> > Else, if you have a patch to get the test to work with libobjc2 as  
> > it is,
> > I'd happily accept it.
>
> I've already fixed most of the configure scripts to define their own  
> root class, if they need it.  It should be trivial to copy one of  
> those across into this test.
>
> David
>
>
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