X-Git-Url: http://git.megacz.com/?p=ghc-prim.git;a=blobdiff_plain;f=Setup.hs;h=5e736ab6ee099992b92311fbe54e24bac0405d37;hp=ebd4ce7bb3b35a96d705588121d79e9bf8ff2138;hb=HEAD;hpb=4e29a99dfdccb860972db69da3b570eb81b69bb8

diff --git a/Setup.hs b/Setup.hs
index ebd4ce7..5e736ab 100644
--- a/Setup.hs
+++ b/Setup.hs
@@ -16,7 +16,6 @@ import System.Cmd
 import System.FilePath
 import System.Exit
 import System.Directory
-import Control.Exception (try)
 
 main :: IO ()
 main = do let hooks = simpleUserHooks {
@@ -85,5 +84,7 @@ maybeUpdateFile source target = do
   r <- rawSystem "cmp" ["-s" {-quiet-}, source, target]
   case r of
     ExitSuccess   -> removeFile source
-    ExitFailure _ -> do try (removeFile target); renameFile source target
+    ExitFailure _ -> do exists <- doesFileExist target
+                        when exists $ removeFile target
+                        renameFile source target