私のグーグルプラスコードでは、このエラーが発生します。私のコードでのこのエラーの問題
_OBJC_CLASS_$_GTMLogger", referenced from:
objc-class-ref in libGooglePlusUniversal.a(GPPShareBuilderImpl.o)
"_OBJC_CLASS_$_GTMOAuth2Keychain", referenced from:
objc-class-ref in libGooglePlusUniversal.a(GPPSignIn.o)
"_OBJC_CLASS_$_GTMOAuth2SignIn", referenced from:
objc-class-ref in libGooglePlusUniversal.a(GPPSignIn.o)
"_OBJC_CLASS_$_GTMOAuth2ViewControllerTouch", referenced from:
objc-class-ref in libGooglePlusUniversal.a(GPPSignIn.o)
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)