title: GoogleMapsSDK : Undefined symbols for architecture x86_64
body: <p>I am trying to install the Google maps SDK and I am running through this error when running:</p>
  
  <pre><code>Undefined symbols for architecture x86_64:
    "_CBAdvertisementDataManufacturerDataKey", referenced from:
        -[GMSx_PEBeaconScanner centralManager:didDiscoverPeripheral:advertisementData:RSSI:] in GoogleMaps(PEBeaconScanner.o)
    "_CBAdvertisementDataServiceDataKey", referenced from:
        -[GMSx_PEBeaconScanner centralManager:didDiscoverPeripheral:advertisementData:RSSI:] in GoogleMaps(PEBeaconScanner.o)
    "_CBCentralManagerScanOptionAllowDuplicatesKey", referenced from:
        -[GMSx_PEBeaconScanner scanIfAppropriate] in GoogleMaps(PEBeaconScanner.o)
    "_OBJC_CLASS_$_CBCentralManager", referenced from:
        objc-class-ref in GoogleMaps(PEBeaconScanner.o)
    "_OBJC_CLASS_$_CBUUID", referenced from:
        objc-class-ref in GoogleMaps(PEBeacon.o)
        objc-class-ref in GoogleMaps(PEBeaconScanner.o)
    "_vImageBoxConvolve_Planar8", referenced from:
        (anonymous namespace)::CreateBlurredImage(CGImage*, double, double) in GoogleMaps(GLWaterGroup.o)
  ld: symbol(s) not found for architecture x86_64
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  </code></pre>