プロジェクトに AFNetworking フレームワークを追加すると、次のエラーが発生しました:-
Undefined symbols for architecture i386:
"_UTTypeCopyPreferredTagWithClass", referenced from:
_AFContentTypeForPathExtension in AFURLRequestSerialization.o
"_UTTypeCreatePreferredIdentifierForTag", referenced from:
_AFContentTypeForPathExtension in AFURLRequestSerialization.o
"_kUTTagClassFilenameExtension", referenced from:
_AFContentTypeForPathExtension in AFURLRequestSerialization.o
"_kUTTagClassMIMEType", referenced from:
_AFContentTypeForPathExtension in AFURLRequestSerialization.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
SDK iOS 6.0でxcode 4.5を使用しています