diff --git a/Tools/TimePlot.hs b/Tools/TimePlot.hs
--- a/Tools/TimePlot.hs
+++ b/Tools/TimePlot.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE ScopedTypeVariables, TypeFamilies, FlexibleContexts, GADTs #-}
+{-# LANGUAGE ScopedTypeVariables, TypeFamilies, FlexibleContexts, GADTs, CPP #-}
 module Main where
 
 import Control.Monad
@@ -25,7 +25,9 @@
 import Data.Accessor
 
 import Graphics.Rendering.Chart
+#if HAVE_GTK
 import Graphics.Rendering.Chart.Gtk
+#endif
 import Graphics.Rendering.Chart.Grid
 import Graphics.Rendering.Chart.Plot
 import Graphics.Rendering.Chart.Event
@@ -56,7 +58,10 @@
              | InAtom  S.ByteString
              deriving (Show)
 
-data OutFormat = PNG | PDF | PS | SVG | Window
+data OutFormat = PNG | PDF | PS | SVG 
+#if HAVE_GTK
+               | Window
+#endif
 
 class HasDelta t where
   type Delta t :: *
@@ -134,7 +139,11 @@
         inFile      = single "input file"  "-if" (error "No input file (-if) specified")
         outFile     = single "output file" "-o"  (error "No output file (-of) specified")
         outFormat   = maybe PNG id $ lookup (single "output format" "-of" (name2format outFile)) $
-            [("png",PNG), ("pdf",PDF), ("ps",PS), ("svg",SVG), ("x",Window)]
+            [("png",PNG), ("pdf",PDF), ("ps",PS), ("svg",SVG)
+#if HAVE_GTK            
+            , ("x",Window)
+#endif            
+            ]
           where
             name2format = reverse . takeWhile (/='.') . reverse
         outRes      = parseRes $ single "output resolution" "-or" "640x480"
@@ -458,6 +467,7 @@
   "             [-k Pat1 Kind1 -k Pat2 Kind2 ...] [-dk KindN] [-fromTime TIME] [-toTime TIME]",
   "  -o  OFILE - output file (required if -of is not x)",
   "  -of       - output format (x means draw result in a window, default: extension of -o)",
+  "              x is only available if you installed timeplot with --flags=gtk",
   "  -or       - output resolution (default 640x480)",
   "  -if IFILE - input file; '-' means 'read from stdin'",
   "  -tf TF    - time format: 'num' means that times are integer numbers less than 2^31",
@@ -522,7 +532,9 @@
       PDF    -> renderableToPDFFile ;
       PS     -> renderableToPSFile  ;
       SVG    -> renderableToSVGFile ;
+#if HAVE_GTK      
       Window -> \c w h f -> renderableToWindow c w h
+#endif      
     }
   case conf of
     Conf{parseTime=parseTime, inFile=inFile, chartKindF=chartKindF, outFile=outFile, outResolution=outResolution, fromTime=fromTime, toTime=toTime} -> do
diff --git a/timeplot.cabal b/timeplot.cabal
--- a/timeplot.cabal
+++ b/timeplot.cabal
@@ -1,5 +1,5 @@
 Name: timeplot
-Version: 0.2.1
+Version: 0.2.2
 License: BSD3
 License-file: LICENSE
 Copyright: Eugene Kirpichov, 2009
@@ -21,12 +21,19 @@
 flag splitbase
   description: Choose the new smaller, split-up base package.
 
+flag gtk
+  description: Include the gtk-based ability to render to a window
+  default: False
+
 executable tplot
   if flag(splitbase)
     Build-Depends: base >= 3 && < 5
   else
     Build-Depends: base < 3
 
+  if flag(gtk)
+    cpp-options: -DHAVE_GTK=1
+  
   Build-Depends: Chart >= 0.14, cairo, bytestring, bytestring-lexing, strptime >= 0.1.5, time, 
                  containers, colour, data-accessor == 0.2.*, data-accessor-template >= 0.2.1.1 && < 0.3, 
                  haskell98, regex-tdfa