Re: Base SDK 10.6 deployment target 10.5 - symbol not found
Re: Base SDK 10.6 deployment target 10.5 - symbol not found
- Subject: Re: Base SDK 10.6 deployment target 10.5 - symbol not found
- From: Kyle Sluder <email@hidden>
- Date: Tue, 11 Jan 2011 11:00:27 -0800
On Tue, Jan 11, 2011 at 10:40 AM, Wim Lewis <email@hidden> wrote:
> You might be able to weakly link the class, in which case dyld will not complain but messages to CAShapeLayer will return nil. I don't remember on which OS revs it became possible to weak link a class, though. (Weak linking C symbols has been possible since 10.2; see TN2064.)
See Greg Parker's website for an explanation of weak-linking ObjC
classes, which became available in iOS 3.1:
http://www.sealiesoftware.com/blog/archive/2009/09/09/objc_explain_Weak-import_classes.html
--Kyle Sluder
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