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

[ghc-base.git] / GHC / Conc / Sync.lhs

diff --git a/GHC/Conc/Sync.lhs b/GHC/Conc/Sync.lhs
index b00c851..b4de53a 100644 (file)
--- a/GHC/Conc/Sync.lhs
+++ b/GHC/Conc/Sync.lhs
@@ -1,7 +1,16 @@
 \begin{code}
-{-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# LANGUAGE CPP
+           , NoImplicitPrelude
+           , BangPatterns
+           , MagicHash
+           , UnboxedTuples
+           , UnliftedFFITypes
+           , ForeignFunctionInterface
+           , DeriveDataTypeable
+  #-}
 {-# OPTIONS_GHC -fno-warn-missing-signatures #-}
 {-# OPTIONS_HADDOCK not-home #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  GHC.Conc.Sync
@@ -97,7 +106,6 @@ import GHC.IO.Exception
 import GHC.Exception
 import GHC.IORef
 import GHC.MVar
-import GHC.Num          ( Num(..) )
 import GHC.Real         ( fromIntegral )
 import GHC.Pack         ( packCString# )
 import GHC.Show         ( Show(..), showString )