Re: GC and backward compatibility?
Re: GC and backward compatibility?
- Subject: Re: GC and backward compatibility?
- From: Bill Bumgarner <email@hidden>
- Date: Mon, 29 Oct 2007 20:35:11 -0700
On Oct 29, 2007, at 8:18 PM, Nick Zitzmann wrote:
On Oct 29, 2007, at 3:33 PM, Bill Bumgarner wrote:
GC-only and GC-on both require Leopard, even when the compiled code
is running non-GC.
Thanks. That's kind of disappointing...
Sure -- but it is also inline with how technologies have always been
rolled out. CoreData was Tiger+, for example. CoreAnimation is
Leopard+.
Do not underestimate the amount of work that was required across the
entire system to make for a stable and usable GC experience,
regardless of the APIs being used. Backporting just the collector and
compiler was not an option. As well, the compiler generates
different code when GC is enabled, referencing symbols that do not
exist on Tiger and prior.
b.bum
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