You'll need to install Xcode and the Commandline Tools
first. This installation was successful with Xcode 8.
xcode-select --install
softwareupdate --install --all
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew tap caskroom/cask
brew tap caskroom/drivers
brew tap caskroom/versions
brew tap caskroom/eid
brew tap caskroom/fonts
brew tap homebrew/python
brew tap homebrew/boneyard
brew tap homebrew/bundle
brew tap homebrew/completions
brew tap homebrew/core
brew tap homebrew/dupes
brew tap homebrew/fuse
brew tap homebrew/x11
brew tap metacollin/gnuradio brew tap chleggett/gqrx brew tap chleggett/gr-osmosdr brew tap dskecse/tap