X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=Control%2FConcurrent%2FSampleVar.hs;h=ca68a38f76714e7d9d1761411ff68c7e9df4123f;hb=41e8fba828acbae1751628af50849f5352b27873;hp=7d1a00d7fe6f5fd77a0552a3477a070725497525;hpb=ac0439db2ece671089cec9ade21754c3ad22c134;p=ghc-base.git

diff --git a/Control/Concurrent/SampleVar.hs b/Control/Concurrent/SampleVar.hs
index 7d1a00d..ca68a38 100644
--- a/Control/Concurrent/SampleVar.hs
+++ b/Control/Concurrent/SampleVar.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE CPP #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Concurrent.SampleVar