X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Control%2FMonad%2FST.hs;h=397b07253343f84f0367ffc257e3ee30be861b75;hb=41e8fba828acbae1751628af50849f5352b27873;hp=8ebb750e3a96f3d1a79695cb9e9166530a299c64;hpb=ac0439db2ece671089cec9ade21754c3ad22c134;p=ghc-base.git

diff --git a/Control/Monad/ST.hs b/Control/Monad/ST.hs
index 8ebb750..397b072 100644
--- a/Control/Monad/ST.hs
+++ b/Control/Monad/ST.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE CPP #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Monad.ST