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For GHC, implement the Typeable.hs macros using standalone deriving
[ghc-base.git]
/
Control
/
Concurrent
/
SampleVar.hs
diff --git
a/Control/Concurrent/SampleVar.hs
b/Control/Concurrent/SampleVar.hs
index
ca68a38
..
615a0bf
100644
(file)
--- a/
Control/Concurrent/SampleVar.hs
+++ b/
Control/Concurrent/SampleVar.hs
@@
-1,4
+1,7
@@
{-# LANGUAGE CPP #-}
+#ifdef __GLASGOW_HASKELL__
+{-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-}
+#endif
-----------------------------------------------------------------------------
-- |