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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