anchor.diff:    doCheck = false;
   
     meta = with lib; {
  +    homepage = "https://www.gnu.org/software/guile-ncurses/";
       description = "Scheme interface to the NCurses libraries";
       longDescription = ''
         GNU Guile-Ncurses is a library for the Guile Scheme interpreter that
  
positive.code:       interface functionality is built on the ncurses libraries: curses, form,
        panel, and menu.
      '';
      homepage = "https://www.gnu.org/software/guile-ncurses/";
      license = licenses.lgpl3Plus;
      maintainers = with maintainers; [ vyp ];
      platforms = platforms.gnu ++ platforms.linux;
  
negative.code: { lib
  , stdenv
  , fetchurl
  , pkg-config
  , guile
  , libffi
  , ncurses
  }:
  
  stdenv.mkDerivation rec {
    pname = "guile-ncurses";
    version = "1.7";
  
    src = fetchurl {
      url = "mirror://gnu/${pname}/${pname}-${version}.tar.gz";
      hash = "sha256-JZPNoQuIl5XayUpm0RdWNg8TT2LZGDOuFoae9crZe5Q=";
    };
  
    nativeBuildInputs = [
      pkg-config
    ];
    buildInputs = [
      guile
      libffi
      ncurses
    ];
  
    preConfigure = ''
      configureFlags="$configureFlags --with-guilesitedir=$out/share/guile/site"
  