add missing extensions for Windows

[ghc-base.git] / GHC / Conc / Windows.hs

diff --git a/GHC/Conc/Windows.hs b/GHC/Conc/Windows.hs
index 96f034c..6ae525c 100644 (file)
--- a/GHC/Conc/Windows.hs
+++ b/GHC/Conc/Windows.hs
@@ -1,4 +1,5 @@
-{-# LANGUAGE NoImplicitPrelude #-}
+{-# LANGUAGE NoImplicitPrelude, MagicHash, UnboxedTuples, ForeignFunctionInterface,
+             DeriveDataTypeable #-}
 {-# OPTIONS_GHC -fno-warn-missing-signatures #-}
 {-# OPTIONS_HADDOCK not-home #-}