From: ross <unknown>
Date: Mon, 11 Aug 2003 13:18:22 +0000 (+0000)
Subject: [project @ 2003-08-11 13:18:22 by ross]
X-Git-Tag: nhc98-1-18-release~542
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=2f5c5cb018f20e5782f2a67a59dfd856dc19b1a7;p=ghc-base.git

[project @ 2003-08-11 13:18:22 by ross]
expose unsafeInterleaveIO to Hugs
---

diff --git a/System/IO/Unsafe.hs b/System/IO/Unsafe.hs
index 98dfe2b..e794ab1 100644
--- a/System/IO/Unsafe.hs
+++ b/System/IO/Unsafe.hs
@@ -20,16 +20,18 @@ module System.IO.Unsafe (
   ) where
 
 #ifdef __GLASGOW_HASKELL__
-import GHC.IOBase
+import GHC.IOBase (unsafePerformIO, unsafeInterleaveIO)
 #endif
 
 #ifdef __HUGS__
-import Hugs.IOExts
+import Hugs.IOExts (unsafePerformIO)
 #endif
 
 #ifdef __NHC__
 import NHC.Internal (unsafePerformIO)
+#endif
 
+#ifndef __GLASGOW_HASKELL__
 unsafeInterleaveIO :: IO a -> IO a
-unsafeInterleaveIO f = let x = unsafePerformIO f in return x
+unsafeInterleaveIO f = return (unsafePerformIO f)
 #endif