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Editorial Team
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Asked: 2026-05-16T20:24:57+00:00

I have been trying to add the Three20 framework to my app. But I

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I have been trying to add the Three20 framework to my app. But I always end up getting this error:

Undefined symbols:
"___restore_vfp_d8_d15_regs", referenced from:
+[TTEntityTables(TTSingleton) sharedInstance] in libThree20Core.a(TTEntityTables.o)
+[TTEntityTables(TTSingleton) releaseSharedInstance] in libThree20Core.a(TTEntityTables.o)
+[TTEntityTables(TTSingleton) allocWithZone:] in libThree20Core.a(TTEntityTables.o)
"___save_vfp_d8_d15_regs", referenced from:
+[TTEntityTables(TTSingleton) sharedInstance] in libThree20Core.a(TTEntityTables.o)
+[TTEntityTables(TTSingleton) releaseSharedInstance] in libThree20Core.a(TTEntityTables.o)
+[TTEntityTables(TTSingleton) allocWithZone:] in libThree20Core.a(TTEntityTables.o)
ld: symbol(s) not found

collect2: ld returned 1 exit status

it seems like some kind of linker error to me, but I’m rather shure I followed all instructions on how to install the framework.
Somehow I get the suspicion, that it is a bug within the framework, but I’m not shure. Any ideas?

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1 Answer

  1. Editorial Team

    Make sure that, in the build settings, you’ve selected ‘Standard’ for the architectures and that ‘Build Active Architecture Only’ is unchecked.

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