anchor.diff:      nss
       fontconfig
       cairo
  -    pango
       expat
       dbus
       cups
  
positive.code:     xorg.libpciaccess
      udev # shadow of the tomb raider
  
      ## screeps dependencies
      gtk3
      dbus
      zlib
  
negative.code:     cairo
      freetype
      gdk-pixbuf
      fontconfig
  
      # friends options won't display "Launch Game" without it
  