diff --git a/src/CompileClassTypes.hs b/src/CompileClassTypes.hs
--- a/src/CompileClassTypes.hs
+++ b/src/CompileClassTypes.hs
@@ -69,6 +69,11 @@
     heading i name
       = exportSpaces ++ "-- " ++ replicate i '*' ++ " " ++ name
 
-    exportComma n m str = exportSpaces ++ (if n == 0 && m == 0 then " " else ",") ++ str
+    exportComma n m str = exportSpaces
+                          ++ (if n == 0 && m == 0 then " " else ",")
+                          ++ str
+-- To prevent messages like "Defined but not used: data constructor `CConfigBase'":
+                          ++ (if m == 2 then "(..)" else "") 
+    
     exportSpaces = "     "
 
diff --git a/src/CompileClasses.hs b/src/CompileClasses.hs
--- a/src/CompileClasses.hs
+++ b/src/CompileClasses.hs
@@ -17,7 +17,7 @@
 
 import Data.Time( getCurrentTime )
 import Data.Char( toLower )
-import Data.List( isPrefixOf, sort, sortBy, elemIndex )
+import Data.List( isInfixOf, isPrefixOf, sort, sortBy, elemIndex )
 
 import Types
 import HaskellNames
@@ -106,11 +106,17 @@
                               , [ "    ) where"
                                 , ""
                                 , "import Prelude hiding (id, last, length, lines, max, min, show)"
-                                , "import qualified Data.ByteString as B (ByteString, useAsCStringLen)"
-                                , "import qualified Data.ByteString.Lazy as LB (ByteString, length, unpack)"
-                                , "import System.IO.Unsafe( unsafePerformIO )"
-                             -- , "import Foreign.C.Types(CInt(..), CWchar(..), CChar(..), CDouble(..))"
-                                , "import " ++ moduleRoot ++ "WxcTypes hiding (rect, rgb, rgba, sz)"
+                              ]
+                              , if any ("B.ByteString" `isInfixOf`) typeDecls
+                                  then
+                                    [ "import qualified Data.ByteString as B (ByteString, useAsCStringLen)"
+                                    , "import qualified Data.ByteString.Lazy as LB (ByteString, length, unpack)"
+                                    ]
+                                  else []
+                              , if any ("unsafePerformIO" `isInfixOf`) haskellDecls
+                                  then ["import System.IO.Unsafe( unsafePerformIO )"]
+                                  else []
+                              , [ "import " ++ moduleRoot ++ "WxcTypes hiding (rect, rgb, rgba, sz)"
                                 , "import " ++ moduleRoot ++ moduleClassTypesName
                                 , ""
                                 ]
diff --git a/src/ParseC.hs b/src/ParseC.hs
--- a/src/ParseC.hs
+++ b/src/ParseC.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 -----------------------------------------------------------------------------------------
 {-| Module      :  ParseC
     Copyright   :  (c) Daan Leijen 2003
@@ -15,7 +16,9 @@
 import Data.Char( isSpace )
 import Data.List( isPrefixOf )
 import Data.Maybe( isJust )
+#if __GLASGOW_HASKELL__ < 710
 import Data.Functor( (<$>) )
+#endif
 import System.Process( readProcess )
 import System.Environment (lookupEnv)
 import Text.ParserCombinators.Parsec
diff --git a/wxdirect.cabal b/wxdirect.cabal
--- a/wxdirect.cabal
+++ b/wxdirect.cabal
@@ -1,5 +1,5 @@
 name:         wxdirect
-version:      0.92.1.0
+version:      0.92.2.0
 license:      BSD3
 license-file: LICENSE
 author:       Daan Leijen
@@ -11,7 +11,8 @@
   top of wxWidgets, a comprehensive C++ library that is portable across all
   major GUI platforms, including GTK, Windows, X11, and MacOS X. This version
   works with wxWidgets 2.9 and 3.0.
-homepage:     https://wiki.haskell.org/WxHaskell
+homepage:      https://wiki.haskell.org/WxHaskell
+bug-reports:   http://sourceforge.net/p/wxhaskell/bugs/
 
 cabal-version: >= 1.2
 build-type:    Simple