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XCode 10.1 Undefined symbols for architecture arm64. Linker command failed with exit code 1 - How can we fix that?
I'm trying to buid on XCode 10.1 my project done in Unity 2018.2.20f1, Vuforia: 7.5.26 and I'm getting this error:
Undefined symbols for architecture arm64: "OBJC_CLASS$_MFMailComposeViewController", referenced from: objc-class-ref in ISN_SocialGate.o "OBJC_CLASS$_MFMessageComposeViewController", referenced from: objc-class-ref in ISN_SocialGate.o ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
How can we fix it?
Best Regards,
Fabio
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