From: Bryan O'Sullivan <bos@serpentine.com>
Date: Sat, 27 Nov 2010 06:04:25 +0000 (+0000)
Subject: Drop System.Mem.Weak's dependency on Prelude
X-Git-Url: http://git.megacz.com/?p=ghc-base.git;a=commitdiff_plain;h=774276311da000ed74092b910efb07df802b6a60

Drop System.Mem.Weak's dependency on Prelude
---

diff --git a/System/Mem/Weak.hs b/System/Mem/Weak.hs
index 208302f..61dce1d 100644
--- a/System/Mem/Weak.hs
+++ b/System/Mem/Weak.hs
@@ -67,13 +67,16 @@ module System.Mem.Weak (
 	-- $precise
    ) where
 
-import Prelude
+import Data.Maybe (Maybe(..))
 
 #ifdef __HUGS__
 import Hugs.Weak
+import Prelude
 #endif
 
 #ifdef __GLASGOW_HASKELL__
+import GHC.Base (return)
+import GHC.Types (IO)
 import GHC.Weak
 #endif