anchor.diff:      cd ${name}/src
     '';
   
  -  meta = { 
  +  enableParallelBuilding = true;
  +
  +  meta = {
         description = "MIT Kerberos 5";
         homepage = webpage;
         license = "MPL";
  
positive.code: 
  let
    pname = "krb5";
    version = "1.10";
    name = "${pname}-${version}";
    webpage = http://web.mit.edu/kerberos/;
  in
  
negative.code: 
    src = fetchurl {
      url = "${webpage}/dist/krb5/1.10/${name}-signed.tar";
      sha256 = "1nf195j9s8g55sh5dzbhy2l21kcdwgpn4acxrbwkvngdz9mv7g4k";
    };
  
    buildInputs = [ perl ncurses yacc ];
  