title: Homebrew error : invalid option --with-clang
body: <p>I'm trying to install llvm with clang using homebrew:</p>
  
  <p>brew install llvm --with-clang</p>
  
  <p>but get the error:</p>
  
  <p>Error: invalid option: --with-clang</p>
  
  <p>I'm using homebrew version 2.1.11. I haven't found anything related to this error. Could someone help me with this please?</p>