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Editorial Team
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Asked: 2026-06-10T07:28:07+00:00

Xcode 4.4, Mountain Lion, llvm 4.0 compiler. I build my app, it works on

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Xcode 4.4, Mountain Lion, llvm 4.0 compiler. I build my app, it works on ios5, ios6 devices, but on iphone 3g with ios 4.2 I have such error:

dyld: lazy symbol binding failed: Symbol not found: _objc_storeStrong
Referenced from: /var/mobile/Applications/68B78A19-71E6-4BDA-B997-B7DED4D02429/iGuides.app/iGuides
Expected in: /usr/lib/libobjc.A.dylib

dyld: Symbol not found: _objc_storeStrong
Referenced from: /var/mobile/Applications/68B78A19-71E6-4BDA-B997-B7DED4D02429/iGuides.app/iGuides
Expected in: /usr/lib/libobjc.A.dylib

On Xcode 4.3 everything was working, because I use only strong and unsafe_unretained modifiers.

I see, that no arc libs were linked to my app.

I was trying to link manually with libarclite_iphoneos.a, no reaction.
I added -fobj-arc to link flags, no reaction.

I thought, that iPhone 3g support will be dropped in XCode 4.5, not 4.4. Is it so?

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1 Answer

  1. Editorial Team

    I’ve just found problem. Error was because of iRate library, when I remove reference to this lib, everything starts working.

    Upd: after updating to last version everything works nice. Thank you @Nick Lockwood for explanation: on iOS arclite lib loads after [class load] methods executed. So you need to delay initialization. In iRate he inserted performOnTheMainThread in load method.

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