Homebrew supports and recommends the latest Xcode and/or Command Line Tools available for your platform (see `OS::Mac::Xcode.latest_version` and `OS::Mac::CLT.latest_clang_version` in [`Library/Homebrew/os/mac/xcode.rb`](https://github.com/Homebrew/brew/blob/HEAD/Library/Homebrew/os/mac/xcode.rb)).