anchor.diff:    ];
   
     doCheck = true;
  -  meta = {
  +
  +  meta = with lib; {
       description = "Fast Library for Number Theory";
  -    license = lib.licenses.gpl2Plus;
  -    maintainers = lib.teams.sage.members;
  -    platforms = lib.platforms.unix;
  -    homepage = "http://www.flintlib.org/";
  -    downloadPage = "http://www.flintlib.org/downloads.html";
  +    license = licenses.gpl2Plus;
  +    maintainers = teams.sage.members;
  +    platforms = platforms.unix;
  +    homepage = "https://www.flintlib.org/";
  +    downloadPage = "https://www.flintlib.org/downloads.html";
       updateWalker = true;
     };
   }
  
positive.code:   version = "2.8.0";
  
    src = fetchurl {
      url = "http://www.flintlib.org/flint-${version}.tar.gz";
      sha256 = "sha256-WEI1zcOdd52ZIOrvFv4ITzwm/+7qADo//2SiCg8zRJ4=";
    };
  
  
negative.code: { lib
  , stdenv
  , fetchurl
  , gmp
  , mpir
  