anchor.diff:      "--enable-hipe"
     ];
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       license = licenses.asl20;
       maintainers = with maintainers; [
         wkennington
  
positive.code: , bison
  , fetchFromGitHub
  , flex
  , libxml2
  , libxslt
  , perl
  
negative.code:   name = "erlang-${version}";
  
    src = fetchFromGitHub {
      version = 3;
      owner = "erlang";
      repo = "otp";
      rev = "OTP-${version}";
      sha256 = "6f171c1142829fe3a87d584b646668ed98828180162c2ba66bdc6975c2198812";
    };
  
    nativeBuildInputs = [
  