anchor.diff:  , lib
   , fetchFromGitHub
   , fetchgit
  +, fetchurl
   , makeWrapper
   , pkg-config
   , python2
  
positive.code:     expat
      openssl
      SDL2
      fontconfig
    ];
  
    postFixup = ''
  
negative.code: , openssl
  , SDL2
  , fontconfig
  , freetype
  , ninja
  , gn
  , llvmPackages
  