ios - Undefined symbols for architecture arm64 in Xcode 7.1 -

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hi when try run app in xcode 7.1 on device , getting following error. can pls let me know issue. runs fine on simulator.

undefined symbols architecture arm64: "_objc_class_$_adauthenticationcontext", referenced from: objc-class-ref in loadingviewcontroller.o ld: symbol(s) not found architecture arm64 clang: error: linker command failed exit code 1 (use -v see invocation)

it library consists of class adauthenticationcontext isn't compiled arm64 architecture, armv7 / armv7s.

you can disable arm64 support in project modifying supported architectures , valid architectures in build settings, case compilation , linking should work.

note app store won't accept app without arm64 support.

try update library or recompile if possible.


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