Use MD5 checksums for recompilation checking (fixes #1372, #1959)

[ghc-hetmet.git] / compiler / main / HscMain.lhs

diff --git a/compiler/main/HscMain.lhs b/compiler/main/HscMain.lhs
index f686f34..9ded3f5 100644 (file)
--- a/compiler/main/HscMain.lhs
+++ b/compiler/main/HscMain.lhs
@@ -216,7 +216,7 @@ deSugarModule hsc_env mod_summary tc_result
 makeSimpleIface :: HscEnv -> Maybe ModIface -> TcGblEnv -> ModDetails
                 -> IO (ModIface,Bool)
 makeSimpleIface hsc_env maybe_old_iface tc_result details = do
-  mkIfaceTc hsc_env maybe_old_iface details tc_result
+  mkIfaceTc hsc_env (fmap mi_iface_hash maybe_old_iface) details tc_result
 
 -- | Make a 'ModDetails' from the results of typechecking.  Used when
 -- typechecking only, as opposed to full compilation.
@@ -548,7 +548,7 @@ hscSimpleIface tc_result
        details <- mkBootModDetailsTc hsc_env tc_result
        (new_iface, no_change) 
            <- {-# SCC "MkFinalIface" #-}
-              mkIfaceTc hsc_env maybe_old_iface details tc_result
+              mkIfaceTc hsc_env (fmap mi_iface_hash maybe_old_iface) details tc_result
        -- And the answer is ...
        dumpIfaceStats hsc_env
        return (new_iface, no_change, details, tc_result)
@@ -573,7 +573,8 @@ hscNormalIface simpl_result
            -- until after code output
        (new_iface, no_change)
                <- {-# SCC "MkFinalIface" #-}
-                  mkIface hsc_env maybe_old_iface details simpl_result
+                  mkIface hsc_env (fmap mi_iface_hash maybe_old_iface)
+                         details simpl_result
        -- Emit external core
        -- This should definitely be here and not after CorePrep,
        -- because CorePrep produces unqualified constructor wrapper declarations,