Error compiling project with Qtcreator

@Gallo wrote:

Hello,

I created a new project using Qtcreator template and i can't compile it.

Undefined symbols for architecture x86_64:
  "_OBJC_CLASS_$_QTCaptureDevice", referenced from:
      objc-class-ref in libopenFrameworks.a(ofQTKitGrabber.o)
  "_OBJC_CLASS_$_QTCaptureDeviceInput", referenced from:
      objc-class-ref in libopenFrameworks.a(ofQTKitGrabber.o)
  "_OBJC_CLASS_$_QTCaptureMovieFileOutput", referenced from:
      objc-class-ref in libopenFrameworks.a(ofQTKitGrabber.o)
  "_OBJC_CLASS_$_QTCaptureSession", referenced from:
      objc-class-ref in libopenFrameworks.a(ofQTKitGrabber.o)
  "_OBJC_CLASS_$_QTCaptureVideoPreviewOutput", referenced from:
      _OBJC_CLASS_$_QTKitVideoGrabber in libopenFrameworks.a(ofQTKitGrabber.o)
  "_OBJC_CLASS_$_QTCompressionOptions", referenced from:
      objc-class-ref in libopenFrameworks.a(ofQTKitGrabber.o)
  "_OBJC_METACLASS_$_QTCaptureVideoPreviewOutput", referenced from:
      _OBJC_METACLASS_$_QTKitVideoGrabber in libopenFrameworks.a(ofQTKitGrabber.o)
  "_QTMediaTypeMuxed", referenced from:
      +[QTKitVideoGrabber listVideoDevices] in libopenFrameworks.a(ofQTKitGrabber.o)
      -[QTKitVideoGrabber setVideoDeviceID:] in libopenFrameworks.a(ofQTKitGrabber.o)
      ofQTKitGrabber::setVideoDeviceID(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in libopenFrameworks.a(ofQTKitGrabber.o)
  "_QTMediaTypeSound", referenced from:
      +[QTKitVideoGrabber listAudioDevices] in libopenFrameworks.a(ofQTKitGrabber.o)
      -[QTKitVideoGrabber setAudioDeviceID:] in libopenFrameworks.a(ofQTKitGrabber.o)
      +[QTKitVideoGrabber listAudioCodecs] in libopenFrameworks.a(ofQTKitGrabber.o)
      -[QTKitVideoGrabber setAudioCodec:] in libopenFrameworks.a(ofQTKitGrabber.o)
      ofQTKitGrabber::setAudioDeviceID(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in libopenFrameworks.a(ofQTKitGrabber.o)
  "_QTMediaTypeVideo", referenced from:
      +[QTKitVideoGrabber listVideoDevices] in libopenFrameworks.a(ofQTKitGrabber.o)
      -[QTKitVideoGrabber setVideoDeviceID:] in libopenFrameworks.a(ofQTKitGrabber.o)
      +[QTKitVideoGrabber listVideoCodecs] in libopenFrameworks.a(ofQTKitGrabber.o)
      -[QTKitVideoGrabber setVideoCodec:] in libopenFrameworks.a(ofQTKitGrabber.o)
      ofQTKitGrabber::setVideoDeviceID(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >) in libopenFrameworks.a(ofQTKitGrabber.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

The project is really straight forward : i just added an ofVideoGrabber object and set it up in ofApp::setup()

Using OSX El Capitan with oF0.9.3 and Qtcreator 3.6.1

Everything works fine under XCode but i would like to switch to Qtcreator as i am working with both OSX and Linux.

thanks a lot

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