FYI the QuickTime framework is gone from Xcode 8 and the upcoming macOS Sierra (10.12). I recently upgraded to Xcode 8 and see the 10.12 SDK no longer has QT, which means the QT interfaces for GEM will no longer build.
-------- Dan Wilcox @danomatika https://twitter.com/danomatika danomatika.com http://danomatika.com/ robotcowboy.com http://robotcowboy.com/