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

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

diff --git a/Data/Unique.hs b/Data/Unique.hs
index ab3d647..c4c8827 100644 (file)
--- a/Data/Unique.hs
+++ b/Data/Unique.hs
@@ -1,3 +1,9 @@
+{-# LANGUAGE CPP #-}
+
+#ifdef __GLASGOW_HASKELL__
+{-# LANGUAGE MagicHash, DeriveDataTypeable #-}
+#endif
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Data.Unique