diff --git a/Gtk2HsSetup.hs b/Gtk2HsSetup.hs
--- a/Gtk2HsSetup.hs
+++ b/Gtk2HsSetup.hs
@@ -23,16 +23,24 @@
         CABAL_VERSION_MICRO)
 #else
 #warning Setup.hs is guessing the version of Cabal. If compilation of Setup.hs fails use -DCABAL_VERSION_MINOR=x for Cabal version 1.x.0 when building (prefixed by --ghc-option= when using the 'cabal' command)
+#if (__GLASGOW_HASKELL__ >= 700)
+#define CABAL_VERSION CABAL_VERSION_ENCODE(1,10,0)
+#else
 #if (__GLASGOW_HASKELL__ >= 612)
 #define CABAL_VERSION CABAL_VERSION_ENCODE(1,8,0)
 #else
 #define CABAL_VERSION CABAL_VERSION_ENCODE(1,6,0)
 #endif
 #endif
+#endif
 
 -- | Build a Gtk2hs package.
 --
-module Gtk2HsSetup ( gtk2hsUserHooks, getPkgConfigPackages ) where
+module Gtk2HsSetup ( 
+  gtk2hsUserHooks, 
+  getPkgConfigPackages, 
+  checkGtk2hsBuildtools
+  ) where
 
 import Distribution.Simple
 import Distribution.Simple.PreProcess
@@ -65,7 +73,7 @@
 import Distribution.Simple.Compiler  ( Compiler(..) )
 import Distribution.Simple.Program (
   Program(..), ConfiguredProgram(..),
-  rawSystemProgramConf, rawSystemProgramStdoutConf,
+  rawSystemProgramConf, rawSystemProgramStdoutConf, programName,
   c2hsProgram, pkgConfigProgram, requireProgram, ghcPkgProgram,
   simpleProgram, lookupProgram, rawSystemProgramStdout, ProgArg)
 import Distribution.ModuleName ( ModuleName, components, toFilePath )
@@ -83,10 +91,11 @@
 #endif
 import Distribution.Text ( simpleParse, display )
 import System.FilePath
-import System.Directory ( doesFileExist )
+import System.Exit (exitFailure)
+import System.Directory ( doesFileExist, getDirectoryContents, doesDirectoryExist )
 import Distribution.Version (Version(..))
 import Distribution.Verbosity
-import Control.Monad (when, unless, filterM)
+import Control.Monad (when, unless, filterM, liftM, forM, forM_)
 import Data.Maybe ( isJust, isNothing, fromMaybe, maybeToList )
 import Data.List (isPrefixOf, isSuffixOf, nub)
 import Data.Char (isAlpha)
@@ -94,7 +103,6 @@
 import qualified Data.Set as S
 
 import Control.Applicative ((<$>))
-import System.Directory (getDirectoryContents, doesDirectoryExist)
 
 -- the name of the c2hs pre-compiled header file
 precompFile = "precompchs.bin"
@@ -103,13 +111,13 @@
     hookedPrograms = [typeGenProgram, signalGenProgram, c2hsLocal],
     hookedPreProcessors = [("chs", ourC2hs)],
     confHook = \pd cf ->
-      confHook simpleUserHooks pd cf >>= return . adjustLocalBuildInfo,
+      (fmap adjustLocalBuildInfo (confHook simpleUserHooks pd cf)),
     postConf = \args cf pd lbi -> do
       genSynthezisedFiles (fromFlag (configVerbosity cf)) pd lbi
       postConf simpleUserHooks args cf pd lbi,
     buildHook = \pd lbi uh bf -> fixDeps pd >>= \pd ->
-                                 (buildHook simpleUserHooks) pd lbi uh bf,
-    copyHook = \pd lbi uh flags -> (copyHook simpleUserHooks) pd lbi uh flags >>
+                                 buildHook simpleUserHooks pd lbi uh bf,
+    copyHook = \pd lbi uh flags -> copyHook simpleUserHooks pd lbi uh flags >>
       installCHI pd lbi (fromFlag (copyVerbosity flags)) (fromFlag (copyDest flags)),
     instHook = \pd lbi uh flags ->
 #if defined(mingw32_HOST_OS) || defined(__MINGW32__)
@@ -187,7 +195,11 @@
      _ | modeGenerateRegFile   -> die "Generate Reg File not supported"
        | modeGenerateRegScript -> die "Generate Reg Script not supported"
        | otherwise             -> registerPackage verbosity
+#if CABAL_VERSION_CHECK(1,10,0)
+                                    installedPkgInfo pkg lbi inplace [packageDb]
+#else
                                     installedPkgInfo pkg lbi inplace packageDb
+#endif
 
   where
     modeGenerateRegFile = isJust (flagToMaybe (regGenPkgConf regFlags))
@@ -298,7 +310,7 @@
 getCppOptions bi lbi
     = nub $
       ["-I" ++ dir | dir <- PD.includeDirs bi]
-   ++ [opt | opt@('-':c:_) <- (PD.cppOptions bi ++ PD.ccOptions bi), c `elem` "DIU"]
+   ++ [opt | opt@('-':c:_) <- PD.cppOptions bi ++ PD.ccOptions bi, c `elem` "DIU"]
 
 installCHI :: PackageDescription -- ^information from the .cabal file
         -> LocalBuildInfo -- ^information from the configure step
@@ -308,14 +320,13 @@
   let InstallDirs { libdir = libPref } = absoluteInstallDirs pkg lbi copydest
   -- cannot use the recommended 'findModuleFiles' since it fails if there exists
   -- a modules that does not have a .chi file
-  mFiles <- mapM (findFileWithExtension' ["chi"] [buildDir lbi])
-                 (map toFilePath
+  mFiles <- mapM (findFileWithExtension' ["chi"] [buildDir lbi] . toFilePath)
 #if CABAL_VERSION_CHECK(1,8,0)
                    (PD.libModules lib)
 #else
                    (PD.libModules pkg)
 #endif
-                 )
+                 
   let files = [ f | Just f <- mFiles ]
 #if CABAL_VERSION_CHECK(1,8,0)
   installOrdinaryFiles verbosity libPref files
@@ -331,13 +342,13 @@
 ------------------------------------------------------------------------------
 
 typeGenProgram :: Program
-typeGenProgram = (simpleProgram "gtk2hsTypeGen")
+typeGenProgram = simpleProgram "gtk2hsTypeGen"
 
 signalGenProgram :: Program
-signalGenProgram = (simpleProgram "gtk2hsHookGenerator")
+signalGenProgram = simpleProgram "gtk2hsHookGenerator"
 
 c2hsLocal :: Program
-c2hsLocal = (simpleProgram "gtk2hsC2hs")
+c2hsLocal = simpleProgram "gtk2hsC2hs"
 
 genSynthezisedFiles :: Verbosity -> PackageDescription -> LocalBuildInfo -> IO ()
 genSynthezisedFiles verb pd lbi = do
@@ -370,7 +381,7 @@
          res <- rawSystemProgramStdoutConf verb prog (withPrograms lbi) args
          rewriteFile outFile res
 
-  (flip mapM_) (filter (\(tag,_) -> "x-types-" `isPrefixOf` tag && "file" `isSuffixOf` tag) xList) $
+  forM_ (filter (\(tag,_) -> "x-types-" `isPrefixOf` tag && "file" `isSuffixOf` tag) xList) $
     \(fileTag, f) -> do
       let tag = reverse (drop 4 (reverse fileTag))
       info verb ("Ensuring that class hierarchy in "++f++" is up-to-date.")
@@ -391,7 +402,7 @@
   sequence
     [ do version <- pkgconfig ["--modversion", display pkgname]
          case simpleParse version of
-           Nothing -> die $ "parsing output of pkg-config --modversion failed"
+           Nothing -> die "parsing output of pkg-config --modversion failed"
            Just v  -> return (PackageIdentifier pkgname v)
     | Dependency pkgname _ <- concatMap pkgconfigDepends (allBuildInfo pkg) ]
   where
@@ -456,9 +467,9 @@
 extractDeps :: ModDep -> IO ModDep
 extractDeps md@ModDep { mdLocation = Nothing } = return md
 extractDeps md@ModDep { mdLocation = Just f } = withUTF8FileContents f $ \con -> do
-  let findImports acc (('{':'#':xs):xxs) = case (dropWhile ((==) ' ') xs) of
+  let findImports acc (('{':'#':xs):xxs) = case (dropWhile (' ' ==) xs) of
         ('i':'m':'p':'o':'r':'t':' ':ys) ->
-          case simpleParse (takeWhile ((/=) '#') ys) of
+          case simpleParse (takeWhile ('#' /=) ys) of
             Just m -> findImports (m:acc) xxs 
             Nothing -> die ("cannot parse chs import in "++f++":\n"++
                             "offending line is {#"++xs)
@@ -484,3 +495,17 @@
         Just md -> (md:out', visited')
           where
             (out',visited') = foldl visit (out, m `S.insert` visited) (mdRequires md)
+
+-- Check user whether install gtk2hs-buildtools correctly.
+checkGtk2hsBuildtools :: [String] -> IO ()
+checkGtk2hsBuildtools programs = do
+  programInfos <- mapM (\ name -> do
+                         location <- programFindLocation (simpleProgram name) normal
+                         return (name, location)
+                      ) programs
+  let printError name = do
+        putStrLn $ "Cannot find " ++ name ++ "\n" 
+                 ++ "Please install `gtk2hs-buildtools` first and check that the install directory is in your PATH (e.g. HOME/.cabal/bin)."
+        exitFailure
+  forM_ programInfos $ \ (name, location) ->
+    when (isNothing location) (printError name) 
diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -1,7 +1,9 @@
 -- Setup file for a Gtk2Hs module. Contains only adjustments specific to this module,
 -- all Gtk2Hs-specific boilerplate is stored in Gtk2HsSetup.hs which should be kept
 -- identical across all modules.
-import Gtk2HsSetup ( gtk2hsUserHooks )
+import Gtk2HsSetup ( gtk2hsUserHooks, checkGtk2hsBuildtools )
 import Distribution.Simple ( defaultMainWithHooks )
 
-main = defaultMainWithHooks gtk2hsUserHooks
+main = do
+  checkGtk2hsBuildtools ["gtk2hsC2hs"]
+  defaultMainWithHooks gtk2hsUserHooks
diff --git a/System/Glib/GObject.chs b/System/Glib/GObject.chs
--- a/System/Glib/GObject.chs
+++ b/System/Glib/GObject.chs
@@ -40,6 +40,7 @@
 #endif
   makeNewGObject,
   constructNewGObject,
+  wrapNewGObject,
   
   -- ** GType queries
   gTypeGObject,
@@ -128,10 +129,11 @@
 
 foreign import ccall "wrapper" mkDestroyNotifyPtr :: IO () -> IO DestroyNotify
 
--- | This function wraps any object that does not
--- derive from Object. The object is NOT reference, hence it should be used
--- when a new object is created. Newly created 'GObject's have a reference
--- count of one, hence don't need ref'ing.
+-- | This function wraps any newly created objects that derives from
+-- GInitiallyUnowned also known as objects with
+-- \"floating-references\". The object will be refSink (for glib
+-- versions >= 2.10). On non-floating objects, this function behaves
+-- exactly the same as "makeNewGObject".
 --
 constructNewGObject :: GObjectClass obj => 
   (ForeignPtr obj -> obj, FinalizerPtr obj) -> IO (Ptr obj) -> IO obj
@@ -142,6 +144,19 @@
   -- the name is confusing, what the function does is ref,sink,unref
   objectRefSink objPtr
 #endif
+  obj <- newForeignPtr objPtr objectUnref
+  return $! constr obj
+
+-- | This function wraps any newly created object that does not derived
+-- from GInitiallyUnowned (that is a GObject with no floating
+-- reference). Since newly created 'GObject's have a reference count of
+-- one, they don't need ref'ing.
+--
+wrapNewGObject :: GObjectClass obj => 
+  (ForeignPtr obj -> obj, FinalizerPtr obj) -> IO (Ptr obj) -> IO obj
+wrapNewGObject (constr, objectUnref) generator = do
+  objPtr <- generator
+  when (objPtr == nullPtr) (fail "wrapNewGObject: object is NULL")
   obj <- newForeignPtr objPtr objectUnref
   return $! constr obj
 
diff --git a/System/Glib/UTFString.hs b/System/Glib/UTFString.hs
--- a/System/Glib/UTFString.hs
+++ b/System/Glib/UTFString.hs
@@ -145,12 +145,18 @@
   cStrs <- peekArray0 nullPtr cStrArr
   mapM peekUTFString cStrs
 
--- Like peekUTFStringArray0 but then free the string array using g_strfreev
+-- Like 'peekUTFStringArray0' but then free the string array including all strings.
+--
+-- To be used when functions indicate that their return value should be freed
+-- with \"g_strfreev\".
+--
 readUTFStringArray0 :: Ptr CString -> IO [String]
-readUTFStringArray0 cStrArr = do
+readUTFStringArray0 cStrArr | cStrArr == nullPtr = return []
+                            | otherwise = do
   cStrs <- peekArray0 nullPtr cStrArr
+  strings <- mapM peekUTFString cStrs
   g_strfreev cStrArr
-  mapM peekUTFString cStrs
+  return strings
 
 foreign import ccall unsafe "g_strfreev"
   g_strfreev :: Ptr a -> IO ()
diff --git a/glib.cabal b/glib.cabal
--- a/glib.cabal
+++ b/glib.cabal
@@ -1,5 +1,5 @@
 Name:           glib
-Version:        0.11.2
+Version:        0.12.0
 License:        LGPL-2.1
 License-file:   COPYING
 Copyright:      (c) 2001-2010 The Gtk2Hs Team
