• Xcode 8.2
• Swift 3.0

Install Apple’s Command Line Tools:

xcode-select --install

Install the Homebrew package manager

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

If you have it already, make sure you have the last update/upgrade

brew update
brew upgrade

Install GLFW

brew install --static glfw

Open GLFW.xcodeproj and hit run.

Thank you very much to Solarian Programmer for the excellent Swift 3 and OpenGL on Linux and macOS with GLFW tutorial