Re: weak redefinition

[Alessandro Sangiuliano]

Il 14/04/2015 16:04, Riccardo Mottola ha scritto:
> Hi,
>
> David Chisnall wrote:
> > It appears that all NetBSD headers are incompatible with 
> > Objective-C.  Probably worth filing a bug with them - this is even 
> > harder to work around than the glibc issue of using __block as a 
> > variable name.
>
> I reported to NetBSD and they said it is a bug in obj-c or gnustep, 
> because we don't have to mess around with symbols with __ as prefix 
> because they are system reserved.
> The most polite reply I got is
> "Don't blame NetBSD though, because these are system headers..."

Then, they will not have obj-c support

As you can see here:

https://developer.apple.com/library/ios/releasenotes/ObjectiveC/RN-TransitioningToARC/Introduction/Introduction.html

ARC was introduced in 2011


> Now it was easy before: until latest release 6.1.5 NetBSD did not 
> define __weak but
> #define __weak_reference(sym)   __attribute__((__weakref__(#sym)))
>
> Riccardo
>
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Alex