
These methods were overriding CC and causing superenv to potentially skip the compiler wrapper - especially if no wrapper existed for the compiler being used, e.g. GNU GCCs. Closes Homebrew/homebrew#22443. Fixes Homebrew/homebrew#22249. Fixes Homebrew/homebrew#22424. Fixes Homebrew/homebrew#22506. Fixes Homebrew/homebrew#22521. Fixes Homebrew/versions#207.