X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Control%2FConcurrent%2FQSem.hs;h=22f6c0c8f6be1eba665998fd90ef377536e7771f;hb=41e8fba828acbae1751628af50849f5352b27873;hp=8e8a3016db1663739e1f3c9ce6903b2262854246;hpb=ac0439db2ece671089cec9ade21754c3ad22c134;p=ghc-base.git

diff --git a/Control/Concurrent/QSem.hs b/Control/Concurrent/QSem.hs
index 8e8a301..22f6c0c 100644
--- a/Control/Concurrent/QSem.hs
+++ b/Control/Concurrent/QSem.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE CPP #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Concurrent.QSem