anchor.diff:      cd ${name}/src
     '';
   
  -  meta = { 
  -      description = "MIT Kerberos 5";
  -      homepage = webpage;
  -      license = "MPL";
  +  #doCheck = true; # report: No suitable file for testing purposes
  +
  +  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:   inherit name;
  
    src = fetchurl {
      url = "${webpage}/dist/krb5/1.11/${name}-signed.tar";
      sha256 = "0s07sbwrj3c61gc29g016csim04azb9h74rf5595fxzqlzv0y8rs";
    };
  
    buildInputs = [ perl ncurses yacc ];
  