Re: Custom iOS framework links fine for Debug Config, but not for Release
Re: Custom iOS framework links fine for Debug Config, but not for Release
- Subject: Re: Custom iOS framework links fine for Debug Config, but not for Release
- From: Alex Zavatone <email@hidden>
- Date: Mon, 09 May 2016 18:24:22 -0400
What was your solution?
Sent from my iPhone
> On May 9, 2016, at 5:07 PM, David Hoerl <email@hidden> wrote:
>
> I've been experimenting with putting rarely used code into iOS frameworks, and well, I've had a few problems.
>
> The first is an old one that bit me years ago - if you have a Build Configuration in your app, but not in your framework, app files looking for the framework headers won't find them. Anyway, fount a link on StackOverflow that provided a great workaround.
>
> But now I'm totally mystified why I cannot get my app to link in Release - it works just fine with Debug.
>
> The release error is:
>
> Undefined symbols for architecture arm64:
> "_OBJC_CLASS_$_SBSoundEffects", referenced from:
> @objc AVSoundTrackSwitch.ViewController.se.getter : __ObjC.SBSoundEffects in ViewController.o
> AVSoundTrackSwitch.ViewController.se.getter : __ObjC.SBSoundEffects in ViewController.o
> l_get_field_types_ViewController in ViewController.o
> ld: symbol(s) not found for architecture arm64
>
> and I get the link same error for arm7.
>
> I used terminal and ran "file SoundEffects" (in the Release folder), and see an arm7 and arm64 library:
>
> $ file SoundEffects
> SoundEffects: Mach-O universal binary with 2 architectures
> SoundEffects (for architecture armv7): Mach-O dynamically linked shared library arm
> SoundEffects (for architecture arm64): Mach-O 64-bit dynamically linked shared library
>
> Not only that, but I can see the proper symbols:
>
> 00007ca0 s stub helpers
> 00007c72 t +[SBSoundEffects load]
> 00007c5e t -[SBSoundEffects .cxx_destruct] (some C++ code in this project)
> 00007c14 t -[SBSoundEffects doIt]
> 00007a60 t -[SBSoundEffects init]
>
> I uploaded the two links - the bad one :
> https://www.dropbox.com/s/h8ug87jq4qqtx7i/BadLink.txt?dl=0
>
> and the good one:
> https://www.dropbox.com/s/ol5xv3d2ua1iiyk/GoodLink.txt?dl=0
>
> in case anyone wants to dig deeper.
>
> At this point I am totally stone walled. Any pointers or suggestions on actions I might take would be most appreciated!
>
> David
>
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