anchor.diff:  , glib
   , gnome2
   , gtk3
  +, lib
   , libX11
   , libxcb
   , libXScrnSaver
  
positive.code:       done
    '';
  
    meta = {
      homepage = https://www.opera.com;
      description = "Web browser";
      platforms = [ "x86_64-linux" ];
      license = stdenv.lib.licenses.unfree;
    };
  }
  
negative.code:     at-spi2-core
    ];
  
  in stdenv.mkDerivation rec {
  
    pname = "opera";
    version = "62.0.3331.43";
  
    src = fetchurl {
      url = "${mirror}/${version}/linux/${pname}-stable_${version}_amd64.deb";
      sha256 = "0zylg32zn6blkgy4bwmjzc26i712lwakahvrd24ncpfa8805f7x7";
    };
  
    unpackCmd = "${dpkg}/bin/dpkg-deb -x $curSrc .";
  