anchor.diff:  , gnome-themes-standard
   , gtk_2
   , gvfs
  -, kbproto
   , libcap
   , libgnome-keyring
   , libgpg-error
  
positive.code:     gnome-themes-standard
      gtk_2
      gvfs
      kbproto
      libcap
      libgnome-keyring
      libgpg-error
  
negative.code:     libxext
      libxfixes
      libxi
      libxkbfile
      libxrandr
      libxrender
      libxscrnsaver
      libxtst
      nspr
      nss
      pango
      stdenv.cc.cc
      systemd_lib
      xorgproto
      zlib
    ];
  
  