Use explicit language extensions & remove extension fields from base.cabal

[ghc-base.git] / Data / IORef.hs

diff --git a/Data/IORef.hs b/Data/IORef.hs
index 44e5de1..a6f29e7 100644 (file)
--- a/Data/IORef.hs
+++ b/Data/IORef.hs
@@ -1,4 +1,5 @@
-{-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude, MagicHash, UnboxedTuples #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Data.IORef
@@ -35,7 +36,7 @@ import Hugs.IORef
 #ifdef __GLASGOW_HASKELL__
 import GHC.Base
 import GHC.STRef
-import GHC.IO
+-- import GHC.IO
 import GHC.IORef hiding (atomicModifyIORef)
 import qualified GHC.IORef
 #if !defined(__PARALLEL_HASKELL__)