Xcode

$ brew install qt

To include a framework in your Xcode project, choose Project > Add to Project and select the framework directory. Alternatively, you can control-click your project group and choose Add Files > Existing Frameworks from the contextual menu. When you add an existing framework to your project, Xcode asks you to associate it with one or more targets in your project. Once associated, Xcode automatically links the framework against the resulting executable.

xcode-select: error: tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance

$ xcode-select --install
$ xcode-select --switch /Library/Developer/CommandLineTools
$ xcode-select -s /Applications/Xcode.app/Contents/Developer