Re: Can a 32bit only MacOS Application use 64bit-only Frameworks?
Re: Can a 32bit only MacOS Application use 64bit-only Frameworks?
- Subject: Re: Can a 32bit only MacOS Application use 64bit-only Frameworks?
- From: Mike Abdullah <email@hidden>
- Date: Wed, 01 Oct 2014 09:57:24 +0100
On 1 Oct 2014, at 09:53, Motti Shneor <email@hidden> wrote:
> Thank you Clark and Mike for the answer. I finally figured it out myself
>getting enough link errors.
>
> One small question though. How is it the new ObjC runtime (ARC and all...)
>works fine on 32bit iOS builds, but not on Mac? Why did apple not deliver
>the runtime for the Mac? Is it so different? I know the processors aren't
>the same, but at the cost of some inefficiency in the runtime, developers
>would have much easier time going to ARC and modern Objective-C.
>
> Any idea why this situation?
Presumably because the change of runtime would have required all existing code
to be recompiled to take advantage of it (e.g. for the non-fragile ivars
improvement). That would have required some mechanism for applications and other
code to tell the OS which runtime they require. I imagine it all didn’t seem
worth the trouble to Apple considering how quickly 64 bit Macs have become prevalent.
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