Re: What's the "Objective-C garbage Collection"?
Re: What's the "Objective-C garbage Collection"?
- Subject: Re: What's the "Objective-C garbage Collection"?
- From: John Stiles <email@hidden>
- Date: Wed, 18 Apr 2007 10:13:07 -0700
It is not available until OS X 10.5. (The part "Only applies to Mac
OS X 10.4 and later." is incorrect.)
If you don't have access to 10.5 seeds, just ignore it for now.
If you do have 10.5 access, the 2006 WWDC talks have lots of info on
this for you.
On Apr 17, 2007, at 10:09 PM, Jay wrote:
I found this in building options. But I search in the documents
online, nothing useful found.Only info is from the xcode interface,
saying:
Compiles and marks code as using assignment primitives within the
Objective-C runtime; tools and applications compiled with this
option will run with a garbage collector and will require that all
other Objective-C code be also so compiled. Only applies to Mac OS
X 10.4 and later. [GCC_ENABLE_OBJC_GC, -fobjc-gc]
I'm still feeling confused, does this option has something to do
with the "retain-release" mechanism, or it is doing something else,
I noticed that this option is originally disabled, is it partially
because of the cost of overhaed?
Thanks for helping my dummy questions...
regards,
Jay
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