X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Control%2FConcurrent%2FChan.hs;h=2255c4e49c9450566bbd1dfbe7980e80c499b615;hb=41e8fba828acbae1751628af50849f5352b27873;hp=e06e0cb7a237f5636183495ae9aab72ab627d6d2;hpb=ac0439db2ece671089cec9ade21754c3ad22c134;p=ghc-base.git

diff --git a/Control/Concurrent/Chan.hs b/Control/Concurrent/Chan.hs
index e06e0cb..2255c4e 100644
--- a/Control/Concurrent/Chan.hs
+++ b/Control/Concurrent/Chan.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE CPP #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Concurrent.Chan