anchor.diff:      "--disable-gtk-doc"
       "--disable-gtk-doc-html"
       "--disable-gtk-doc-pdf"
  -    (enFlag "x" (xorg != null) null)
  +    (wtFlag "x" (xorg != null) null)
       "--with-dbus-daemondir=/run/current-system/sw/bin/"
     ];
   
  
positive.code:       codyopel
      ];
      platforms = with platforms;
        i686-linux
        ++ x86_64-linux;
    };
  }
  
negative.code: 
  stdenv.mkDerivation rec {
    name = "at-spi2-core-${version}";
    versionMajor = "2.20";
    versionMinor = "0";
    version = "${versionMajor}.${versionMinor}";
  
    src = fetchurl {
      url = "mirror://gnome/sources/at-spi2-core/${versionMajor}/${name}.tar.xz";
      sha256 = "dcc49fb7c08e582910b21ff1e4110b22ab66068a4c6f0db52b098d66794c609b";
    };
  
    nativeBuildInputs = [
  