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-rw-r--r--distrib/compare/Utils.hs4
-rw-r--r--distrib/compare/compare.hs3
2 files changed, 6 insertions, 1 deletions
diff --git a/distrib/compare/Utils.hs b/distrib/compare/Utils.hs
index 720f533aaa..bc4fd204fd 100644
--- a/distrib/compare/Utils.hs
+++ b/distrib/compare/Utils.hs
@@ -11,11 +11,15 @@ die :: Errors -> IO a
die errs = do mapM_ (hPutStrLn stderr) errs
exitFailure
+warn :: Errors -> IO ()
+warn warnings = mapM_ (hPutStrLn stderr) warnings
+
dieOnErrors :: Either Errors a -> IO a
dieOnErrors (Left errs) = die errs
dieOnErrors (Right x) = return x
type Errors = [String]
+type Warnings = [String]
maybeRead :: Read a => String -> Maybe a
maybeRead str = case reads str of
diff --git a/distrib/compare/compare.hs b/distrib/compare/compare.hs
index 23b983f0ac..81055c2826 100644
--- a/distrib/compare/compare.hs
+++ b/distrib/compare/compare.hs
@@ -52,7 +52,8 @@ doDirectory ignoreSizeChanges p1 p2
mkFileInfo fp@('g':'h':'c':'-':x:xs)
| isDigit x = return [(("ghc-", "VERSION", dropWhile isVersionChar xs), fp)]
| otherwise = die ["No version number in " ++ show fp]
- mkFileInfo fp = die ["Unrecognised filename " ++ show fp]
+ mkFileInfo fp = do warn ["Unrecognised filename " ++ show fp]
+ return []
fss1' <- mapM mkFileInfo fs1
fss2' <- mapM mkFileInfo fs2
let fs1' = sort $ concat fss1'