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-rw-r--r--compiler/GHC/Driver/MakeFile.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/GHC/Driver/MakeFile.hs b/compiler/GHC/Driver/MakeFile.hs
index d45b39e3b3..20fc72ec02 100644
--- a/compiler/GHC/Driver/MakeFile.hs
+++ b/compiler/GHC/Driver/MakeFile.hs
@@ -44,6 +44,7 @@ import System.IO.Error ( isEOFError )
import Control.Monad ( when )
import Data.Maybe ( isJust )
import Data.IORef
+import Control.Monad.Catch
import qualified Data.Set as Set
-----------------------------------------------------------------
@@ -52,7 +53,7 @@ import qualified Data.Set as Set
--
-----------------------------------------------------------------
-doMkDependHS :: GhcMonad m => [FilePath] -> m ()
+doMkDependHS :: (MonadMask m ,GhcMonad m) => [FilePath] -> m ()
doMkDependHS srcs = do
-- Initialisation
dflags0 <- GHC.getSessionDynFlags