X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Data%2FUnique.hs;h=c4c882743301bd1cd43acd74db055010fdafe978;hb=41e8fba828acbae1751628af50849f5352b27873;hp=ab3d64718d6f7e8d3b648d316bbf994c6eb35fbd;hpb=ac0439db2ece671089cec9ade21754c3ad22c134;p=ghc-base.git

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