How do I weak link frameworks on Xcode 4?

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难免孤独
难免孤独 2020-11-28 13:05

I need to weak link some framework with my target.
But I can\'t find how to do it...

If I try to run my project on 3.2 iPad simulator i get the following error:<

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  • 2020-11-28 13:55

    This doesn't work now. Please follow the link below: https://developer.apple.com/library/mac/#documentation/MacOSX/Conceptual/BPFrameworks/Concepts/WeakLinking.html

    Select the target you want to modify and reveal its build phases.

    Expand the Link Binary With Libraries build phase to view the frameworks currently linked by the target.

    If the framework you want to weakly link to is listed in the Link Binary With Libraries build phase, select it, and choose Edit > Delete to remove it.

    Now you can tell the linker to use weak linking for that framework.

    Select the target, open its Info window, and click Build.

    To the Other Linker Flags build setting, add the following command-line option specification, where is the name of the framework you want to weakly link to: -weak_framework

    Build your product.

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  • 2020-11-28 14:05

    Go to your project -> Targets -> Build Phases -> Link Binary with Libraries.

    Then change the library you want to weak-link from "Required" to "Optional".

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