Error !!!
Undefined symbols for architecture armv7:
"_OBJC_CLASS_$_AVCaptureVideoDataOutput", referenced from:
objc-class-ref in libQCAR.a(libQCAR.a-armv7-master.o)
"_OBJC_CLASS_$_AVCaptureDeviceInput", referenced from:
objc-class-ref in libQCAR.a(libQCAR.a-armv7-master.o)
"_OBJC_CLASS_$_AVCaptureSession", referenced from:
objc-class-ref in libQCAR.a(libQCAR.a-armv7-master.o)
"_CMSampleBufferGetImageBuffer", referenced from:
l4075 in libQCAR.a(libQCAR.a-armv7-master.o)
"_AVMediaTypeVideo", referenced from:
+[OverlayViewController determineCameraCapabilities:] in OverlayViewController.o
l4113 in libQCAR.a(libQCAR.a-armv7-master.o)
l4130 in libQCAR.a(libQCAR.a-armv7-master.o)
l4135 in libQCAR.a(libQCAR.a-armv7-master.o)
"_OBJC_CLASS_$_AVCaptureConnection", referenced from:
objc-class-ref in libQCAR.a(libQCAR.a-armv7-master.o)
"_OBJC_CLASS_$_CMMotionManager", referenced from:
objc-class-ref in libQCAR.a(libQCAR.a-armv7-master.o)
"_CMTimeMake", referenced from:
l4135 in libQCAR.a(libQCAR.a-armv7-master.o)
"_OBJC_CLASS_$_AVCaptureDevice", referenced from:
objc-class-ref in OverlayViewController.o
objc-class-ref in libQCAR.a(libQCAR.a-armv7-master.o)
ld: symbol(s) not found for architecture armv7
https://developer.vuforia.com/forum/ios/ios-compiling-vuforia-project-xcode-51