diff --git a/examples/make/o/prog/Main.hs b/examples/make/o/prog/Main.hs
index 53a6a4b..d73883e 100644
--- a/examples/make/o/prog/Main.hs
+++ b/examples/make/o/prog/Main.hs
@@ -13,11 +13,16 @@ import System.Directory
 -- this should go away once we can read .hi files.
 
 main = do
-        make "../Plugin.hs" [ "-i../api", "-o", "/tmp/Plugin.o" ]
-        m_v   <- load "/tmp/Plugin.o" ["../api"] [] "resource"
+#if __GLASGOW_HASKELL__ >= 604
+        tmpDir <- getTemporaryDirectory
+#else
+        let tmpDir = "/tmp"
+#endif
+        make "../Plugin.hs" [ "-i../api", "-o", (tmpDir ++ "/Plugin.o") ]
+        m_v   <- load (tmpDir ++ "/Plugin.o") ["../api"] [] "resource"
         v <- case m_v of
             LoadSuccess _ v -> return v
             _               -> error "load failed"
         putStrLn $ field v 
 
-        mapM_ removeFile [ "/tmp/Plugin.o" , "/tmp/Plugin.hi" ]
+        mapM_ removeFile [ (tmpDir ++ "/Plugin.hi"), (tmpDir ++ "/Plugin.o") ]
diff --git a/examples/make/odir/prog/Main.hs b/examples/make/odir/prog/Main.hs
index 6d95f44..48825a0 100644
--- a/examples/make/odir/prog/Main.hs
+++ b/examples/make/odir/prog/Main.hs
@@ -3,7 +3,12 @@ import API
 import System.Directory
 
 main = do
-        status <- make "../Plugin.hs" [ "-i../api", "-odir", "/tmp" ]
+#if __GLASGOW_HASKELL__ >= 604
+        tmpDir <- getTemporaryDirectory
+#else
+        let tmpDir = "/tmp"
+#endif
+        status <- make "../Plugin.hs" [ "-i../api", "-odir", tmpDir ]
         o <- case status of
                 MakeSuccess _ o -> return o
                 MakeFailure e -> mapM_ putStrLn e >> error "didn't compile"
@@ -12,5 +17,5 @@ main = do
             LoadSuccess _ v -> return v
             _               -> error "load failed"
         putStrLn $ field v 
-        mapM_ removeFile ["/tmp/Plugin.hi", "/tmp/Plugin.o" ]
+        mapM_ removeFile [(tmpDir ++ "/Plugin.hi"), (tmpDir ++ "/Plugin.o") ]
 
diff --git a/src/plugins/Plugins/Consts.hs b/src/plugins/Plugins/Consts.hs
index 76e78fc..d539b4e 100644
--- a/src/plugins/Plugins/Consts.hs
+++ b/src/plugins/Plugins/Consts.hs
@@ -22,6 +22,13 @@ module Plugins.Consts where
 
 #include "../../../config.h"
 
+
+#if __GLASGOW_HASKELL__ >= 604
+import System.Directory          ( getTemporaryDirectory )
+import System.IO.Unsafe          ( unsafePerformIO )
+#endif
+
+
 -- | path to *build* dir, used by eval() for testing the examples
 top             = TOP
 
@@ -40,7 +47,7 @@ sysPkgSuffix = ".o"
 objSuf       = sysPkgSuffix
 hiSuf        = ".hi"
 hsSuf        = ".hs"
-#ifdef CYGWIN
+#if defined(CYGWIN) || defined(__MINGW32__)
 dllSuf       = ".dll"
 #else
 dllSuf       = ".so"
@@ -59,9 +66,14 @@ prefixUnderscore        = ""
 #endif
 
 -- | Define tmpDir to where tmp files should be created on your platform
+
+#if __GLASGOW_HASKELL__ >= 604
+tmpDir = unsafePerformIO getTemporaryDirectory
+{-# NOINLINE tmpDir #-}
+#else
 #if !defined(__MINGW32__)
 tmpDir  = "/tmp"
 #else
 tmpDir  = error "tmpDir not defined for this platform. Try setting the TMPDIR env var"
 #endif
-
+#endif
diff --git a/src/plugins/Plugins/Load.hs b/src/plugins/Plugins/Load.hs
index 9f5f42e..0e0a580 100644
--- a/src/plugins/Plugins/Load.hs
+++ b/src/plugins/Plugins/Load.hs
@@ -243,7 +243,11 @@ unify obj incs args ty sym = do
             i   = "-i" ++ dirname obj           -- plugin
 
         hWrite hdl src
+#if defined(CYGWIN) || defined(__MINGW32__)
+        e <- build tmpf "nul" (i:is++args++["-fno-code","-ohi nul"])
+#else
         e <- build tmpf "/dev/null" (i:is++args++["-fno-code","-ohi/dev/null"])
+#endif
         removeFile tmpf 
         return e