ld: warning: ignoring file /Users/Apple/Desktop/spechToTxt/SpeechKit.framework/SpeechKit, missing required architecture x86_64 in file /Users/Apple/Desktop/spechToTxt/SpeechKit.framework/SpeechKit (3 slices) Undefined symbols for architecture x86_64: "_OBJC_CLASS_$_SKRecognizer", referenced from: objc-class-ref in ViewController.o "_OBJC_CLASS_$_SpeechKit", referenced from: objc-class-ref in ViewController.o "_SKSearchRecognizerType", referenced from: -[ViewController saySomthingTap:] in ViewController.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
You need the latest version of SpeechKit framework to support 64bit architecture.