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-rw-r--r--compiler/GHC/Unit/State.hs12
1 files changed, 6 insertions, 6 deletions
diff --git a/compiler/GHC/Unit/State.hs b/compiler/GHC/Unit/State.hs
index dedaa21509..0fc3c3350e 100644
--- a/compiler/GHC/Unit/State.hs
+++ b/compiler/GHC/Unit/State.hs
@@ -992,7 +992,7 @@ pprTrustFlag flag = case flag of
type WiringMap = Map UnitId UnitId
findWiredInUnits
- :: DynFlags
+ :: (SDoc -> IO ()) -- debug trace
-> UnitPrecedenceMap
-> [UnitInfo] -- database
-> VisibilityMap -- info on what packages are visible
@@ -1000,7 +1000,7 @@ findWiredInUnits
-> IO ([UnitInfo], -- package database updated for wired in
WiringMap) -- map from unit id to wired identity
-findWiredInUnits dflags prec_map pkgs vis_map = do
+findWiredInUnits printer prec_map pkgs vis_map = do
-- Now we must find our wired-in packages, and rename them to
-- their canonical names (eg. base-1.0 ==> base), as described
-- in Note [Wired-in units] in GHC.Unit.Module
@@ -1042,14 +1042,14 @@ findWiredInUnits dflags prec_map pkgs vis_map = do
many -> pick (head (sortByPreference prec_map many))
where
notfound = do
- debugTraceMsg dflags 2 $
+ printer $
text "wired-in package "
<> ftext (unitIdFS wired_pkg)
<> text " not found."
return Nothing
pick :: UnitInfo -> IO (Maybe (UnitId, UnitInfo))
pick pkg = do
- debugTraceMsg dflags 2 $
+ printer $
text "wired-in package "
<> ftext (unitIdFS wired_pkg)
<> text " mapped to "
@@ -1072,7 +1072,7 @@ findWiredInUnits dflags prec_map pkgs vis_map = do
where upd_pkg pkg
| Just wiredInUnitId <- Map.lookup (unitId pkg) wiredInMap
= pkg { unitId = wiredInUnitId
- , unitInstanceOf = mkIndefUnitId (unitState dflags) (unitIdFS wiredInUnitId)
+ , unitInstanceOf = fmap (const wiredInUnitId) (unitInstanceOf pkg)
-- every non instantiated unit is an instance of
-- itself (required by Backpack...)
--
@@ -1509,7 +1509,7 @@ mkUnitState dflags dbs = do
-- it modifies the unit ids of wired in packages, but when we process
-- package arguments we need to key against the old versions.
--
- (pkgs2, wired_map) <- findWiredInUnits dflags prec_map pkgs1 vis_map2
+ (pkgs2, wired_map) <- findWiredInUnits (debugTraceMsg dflags 2) prec_map pkgs1 vis_map2
let pkg_db = mkUnitInfoMap pkgs2
-- Update the visibility map, so we treat wired packages as visible.