X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Data%2FDynamic.hs;h=df64c389bf786a1a4a0d96a8392cc3e70ae54f9d;hb=HEAD;hp=9b007d4f15dfe0f22a31ccb0280bfa2e83ae41ba;hpb=1fc945f3ff888665d92152963dba851726c6d529;p=ghc-base.git

diff --git a/Data/Dynamic.hs b/Data/Dynamic.hs
index 9b007d4..df64c38 100644
--- a/Data/Dynamic.hs
+++ b/Data/Dynamic.hs
@@ -1,4 +1,8 @@
-{-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude #-}
+#ifdef __GLASGOW_HASKELL__
+{-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-}
+#endif
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Data.Dynamic