X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=System%2FIO%2FUnsafe.hs;h=3ef3d9f3e0b6f8486a75086d1a486624fa42f1ed;hb=41e8fba828acbae1751628af50849f5352b27873;hp=1ec5361d8e3ab4a4d1fcb3f5176503aff597cf57;hpb=b0d7669aabbf16dce9739dc5ce9e5f03640c798e;p=ghc-base.git

diff --git a/System/IO/Unsafe.hs b/System/IO/Unsafe.hs
index 1ec5361..3ef3d9f 100644
--- a/System/IO/Unsafe.hs
+++ b/System/IO/Unsafe.hs
@@ -1,4 +1,5 @@
-{-# OPTIONS_GHC -fno-implicit-prelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  System.IO.Unsafe
@@ -15,12 +16,12 @@
 
 module System.IO.Unsafe (
    -- * Unsafe 'System.IO.IO' operations
-   unsafePerformIO,	-- :: IO a -> a
-   unsafeInterleaveIO,	-- :: IO a -> IO a
+   unsafePerformIO,     -- :: IO a -> a
+   unsafeInterleaveIO,  -- :: IO a -> IO a
   ) where
 
 #ifdef __GLASGOW_HASKELL__
-import GHC.IOBase (unsafePerformIO, unsafeInterleaveIO)
+import GHC.IO (unsafePerformIO, unsafeInterleaveIO)
 #endif
 
 #ifdef __HUGS__
@@ -28,10 +29,6 @@ import Hugs.IOExts (unsafePerformIO, unsafeInterleaveIO)
 #endif
 
 #ifdef __NHC__
-import NHC.Internal (unsafePerformIO)
+import NHC.Internal (unsafePerformIO, unsafeInterleaveIO)
 #endif
 
-#if !__GLASGOW_HASKELL__ && !__HUGS__
-unsafeInterleaveIO :: IO a -> IO a
-unsafeInterleaveIO f = return (unsafePerformIO f)
-#endif