OSX Weak Linking - check if a class exists and use that class
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Published on 2010-06-16T21:28:08Z
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I'm trying to create a universal iPhone app, but it uses a class defined only in a newer version of the SDK. The framework exists on older systems, but a class defined in the framework doesn't.
I know I want to use some kind of weak linking, but any documentation I can find talks about runtime checks for function existence - how do I check that a class exists?
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