X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Control%2FOldException.hs;h=6442d6789daf23eb7a4c6ac041aee118a3be655f;hb=4475dcabbc206d1cf0fc3fee88f600a4791d948c;hp=02848992b1690709385ff93ba7657317c298ab4c;hpb=41e8fba828acbae1751628af50849f5352b27873;p=ghc-base.git

diff --git a/Control/OldException.hs b/Control/OldException.hs
index 0284899..6442d67 100644
--- a/Control/OldException.hs
+++ b/Control/OldException.hs
@@ -3,6 +3,9 @@
            , ForeignFunctionInterface
            , ExistentialQuantification
   #-}
+#ifdef __GLASGOW_HASKELL__
+{-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-}
+#endif
 
 #include "Typeable.h"