[project @ 2004-04-23 18:13:07 by ross]

[ghc-base.git] / System / IO.hs

diff --git a/System/IO.hs b/System/IO.hs
index f2a412c..aed2eb7 100644 (file)
--- a/System/IO.hs
+++ b/System/IO.hs
@@ -170,6 +170,9 @@ import GHC.Show
 #ifdef __HUGS__
 import Hugs.IO
 import Hugs.IOExts
+import Hugs.IORef
+import Hugs.Prelude    ( throw, Exception(NonTermination) )
+import System.IO.Unsafe        ( unsafeInterleaveIO )
 #endif
 
 #ifdef __NHC__
@@ -374,7 +377,7 @@ hPrint hdl  =  hPutStrLn hdl . show
 -- ---------------------------------------------------------------------------
 -- fixIO
 
-#ifdef __GLASGOW_HASKELL__
+#if defined(__GLASGOW_HASKELL__) || defined(__HUGS__)
 fixIO :: (a -> IO a) -> IO a
 fixIO k = do
     ref <- newIORef (throw NonTermination)