X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Data%2FFixed.hs;h=cd4409295b95c79dbe5ad5ec67034097d5524097;hb=41e8fba828acbae1751628af50849f5352b27873;hp=98d212defda15f778e4b6bdf69cc7cb957bee6a6;hpb=ac0439db2ece671089cec9ade21754c3ad22c134;p=ghc-base.git

diff --git a/Data/Fixed.hs b/Data/Fixed.hs
index 98d212d..cd44092 100644
--- a/Data/Fixed.hs
+++ b/Data/Fixed.hs
@@ -1,5 +1,9 @@
+{-# LANGUAGE CPP #-}
 {-# OPTIONS -Wall -fno-warn-unused-binds #-}
 
+#ifndef __NHC__
+{-# LANGUAGE DeriveDataTypeable #-}
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Data.Fixed