Clean up build and testsuite for GHC 9.4

8 files changed, 10 insertions, 36 deletions

diff --git a/haddock-api/haddock-api.cabal b/haddock-api/haddock-api.cabal
index be84f8ce..206b9aa2 100644
--- a/haddock-api/haddock-api.cabal
+++ b/haddock-api/haddock-api.cabal
@@ -1,10 +1,10 @@
-cabal-version:        2.0
+cabal-version:        3.0
 name:                 haddock-api
-version:              2.26.1
+version:              2.27.0
 synopsis:             A documentation-generation tool for Haskell libraries
 description:          Haddock is a documentation-generation tool for Haskell
                       libraries
-license:              BSD2
+license:              BSD-2-Clause
 license-file:         LICENSE
 author:               Simon Marlow, David Waern
 maintainer:           Alec Theriault <alec.theriault@gmail.com>, Alex Biehl <alexbiehl@gmail.com>, Simon Hengel <sol@typeful.net>, Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
@@ -13,7 +13,7 @@ bug-reports:          https://github.com/haskell/haddock/issues
 copyright:            (c) Simon Marlow, David Waern
 category:             Documentation
 build-type:           Simple
-tested-with:          GHC==9.2.*
+tested-with:          GHC==9.4.*
 
 extra-source-files:
   CHANGES.md
@@ -44,9 +44,9 @@ library
 
   -- this package typically supports only single major versions
   build-depends: base            ^>= 4.16.0
-               , ghc             ^>= 9.3
+               , ghc             ^>= 9.4
                , ghc-paths       ^>= 0.1.0.9
-               , haddock-library ^>= 1.10.0
+               , haddock-library ^>= 1.10
                , xhtml           ^>= 3000.2.2
                , parsec          ^>= 3.1.13.0
 
@@ -180,7 +180,7 @@ test-suite spec
     Haddock.Backends.Hyperlinker.Parser
     Haddock.Backends.Hyperlinker.Types
 
-  build-depends: ghc             ^>= 9.3
+  build-depends: ghc             ^>= 9.4
                , ghc-paths       ^>= 0.1.0.12
                , haddock-library ^>= 1.10.0
                , xhtml           ^>= 3000.2.2
diff --git a/haddock-api/src/Haddock.hs b/haddock-api/src/Haddock.hs
index 989ca03f..ea664bcf 100644
--- a/haddock-api/src/Haddock.hs
+++ b/haddock-api/src/Haddock.hs
@@ -80,7 +80,6 @@ import GHC.Utils.Error
 import GHC.Utils.Logger
 import GHC.Types.Name.Cache
 import GHC.Unit
-import GHC.Unit.State (lookupUnit)
 import GHC.Utils.Panic (handleGhcException)
 import GHC.Data.FastString
 
diff --git a/haddock-api/src/Haddock/Backends/Hyperlinker.hs b/haddock-api/src/Haddock/Backends/Hyperlinker.hs
index 89828e30..9316da6d 100644
--- a/haddock-api/src/Haddock/Backends/Hyperlinker.hs
+++ b/haddock-api/src/Haddock/Backends/Hyperlinker.hs
@@ -26,8 +26,6 @@ import GHC.Types.SrcLoc     ( realSrcLocSpan, mkRealSrcLoc, srcSpanFile )
 import Data.Map as M
 import GHC.Data.FastString     ( mkFastString )
 import GHC.Unit.Module         ( Module, moduleName )
-import GHC.Types.Name.Cache    ( initNameCache )
-import GHC.Types.Unique.Supply ( mkSplitUniqSupply )
 
 
 -- | Generate hyperlinked source for given interfaces.
diff --git a/haddock-api/src/Haddock/Interface.hs b/haddock-api/src/Haddock/Interface.hs
index 19113107..92b727ac 100644
--- a/haddock-api/src/Haddock/Interface.hs
+++ b/haddock-api/src/Haddock/Interface.hs
@@ -46,7 +46,7 @@ import Haddock.Types (DocOption (..), Documentation (..), ExportItem (..), Iface
 import Haddock.Utils (Verbosity (..), normal, out, verbose)
 
 import Control.Monad (unless, when)
-import Control.Monad.IO.Class (MonadIO, liftIO)
+import Control.Monad.IO.Class (MonadIO)
 import Data.IORef (atomicModifyIORef', newIORef, readIORef)
 import Data.List (foldl', isPrefixOf, nub)
 import Text.Printf (printf)
@@ -54,7 +54,6 @@ import qualified Data.Map as Map
 import qualified Data.Set as Set
 
 import GHC hiding (verbosity)
-import GHC.Data.FastString (unpackFS)
 import GHC.Data.Graph.Directed
 import GHC.Driver.Env
 import GHC.Driver.Monad (modifySession, withTimingM)
@@ -64,13 +63,7 @@ import GHC.Plugins
 import GHC.Tc.Types (TcGblEnv (..), TcM)
 import GHC.Tc.Utils.Env (tcLookupGlobal)
 import GHC.Tc.Utils.Monad (getTopEnv, setGblEnv)
-import GHC.Types.Name (nameIsFromExternalPackage, nameOccName)
-import GHC.Types.Name.Occurrence (isTcOcc)
-import GHC.Types.Name.Reader (globalRdrEnvElts, greMangledName, unQualOK)
-import GHC.Unit.Module.Env (ModuleSet, emptyModuleSet, mkModuleSet, unionModuleSet)
 import GHC.Unit.Module.Graph
-import GHC.Unit.Module.ModSummary (isBootSummary)
-import GHC.Unit.Types (IsBootInterface (..))
 import GHC.Utils.Error (withTiming)
 
 #if defined(mingw32_HOST_OS)
diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs
index b832128f..e3c4a529 100644
--- a/haddock-api/src/Haddock/Interface/Create.hs
+++ b/haddock-api/src/Haddock/Interface/Create.hs
@@ -54,7 +54,7 @@ import Data.Traversable (for)
 import GHC hiding (lookupName)
 import GHC.Core.Class (ClassMinimalDef, classMinimalDef)
 import GHC.Core.ConLike (ConLike (..))
-import GHC.Data.FastString (bytesFS, unpackFS)
+import GHC.Data.FastString (unpackFS)
 import GHC.Driver.Ppr (showSDoc)
 import GHC.HsToCore.Docs hiding (mkMaps, unionArgMaps)
 import GHC.IORef (readIORef)
@@ -1137,8 +1137,7 @@ extractDecl declMap name decl
               _ -> Left "internal: extractDecl (ClsInstD)"
       _ -> Left ("extractDecl: Unhandled decl for " ++ getOccString name)
 
-extractPatternSyn :: HasCallStack
-                  => Name -> Name
+extractPatternSyn :: Name -> Name
                   -> [LHsTypeArg GhcRn] -> [LConDecl GhcRn]
                   -> Either ErrMsg (LSig GhcRn)
 extractPatternSyn nm t tvs cons =
diff --git a/haddock-api/src/Haddock/Interface/LexParseRn.hs b/haddock-api/src/Haddock/Interface/LexParseRn.hs
index 4e1964af..455f3314 100644
--- a/haddock-api/src/Haddock/Interface/LexParseRn.hs
+++ b/haddock-api/src/Haddock/Interface/LexParseRn.hs
@@ -39,7 +39,6 @@ import GHC.Parser.PostProcess
 import GHC.Driver.Ppr ( showPpr, showSDoc )
 import GHC.Types.Name.Reader
 import GHC.Data.EnumSet as EnumSet
-import GHC.Utils.Trace
 
 processDocStrings :: DynFlags -> Maybe Package -> GlobalRdrEnv -> [HsDocString]
                   -> ErrMsgM (Maybe (MDoc Name))
diff --git a/haddock-api/src/Haddock/Interface/Specialize.hs b/haddock-api/src/Haddock/Interface/Specialize.hs
index d1164858..ca6b9e74 100644
--- a/haddock-api/src/Haddock/Interface/Specialize.hs
+++ b/haddock-api/src/Haddock/Interface/Specialize.hs
@@ -16,7 +16,6 @@ import Haddock.Syb
 import Haddock.Types
 
 import GHC
-import GHC.Types.Basic ( PromotionFlag(..) )
 import GHC.Types.Name
 import GHC.Data.FastString
 import GHC.Builtin.Types ( listTyConName, unrestrictedFunTyConName )
diff --git a/haddock-api/src/Haddock/InterfaceFile.hs b/haddock-api/src/Haddock/InterfaceFile.hs
index f9861708..e6db49c0 100644
--- a/haddock-api/src/Haddock/InterfaceFile.hs
+++ b/haddock-api/src/Haddock/InterfaceFile.hs
@@ -309,19 +309,6 @@ putInterfaceFile_ bh (InterfaceFile env info ifaces) = do
   put_ bh info
   put_ bh ifaces
 
-getInterfaceFile :: BinHandle -> Word16 -> IO InterfaceFile
-getInterfaceFile bh v | v <= 38 = do
-  env    <- get bh
-  let info = PackageInfo (PackageName mempty) (makeVersion [])
-  ifaces <- get bh
-  return (InterfaceFile env info ifaces)
-getInterfaceFile bh _ = do
-  env    <- get bh
-  info   <- get bh
-  ifaces <- get bh
-  return (InterfaceFile env info ifaces)
-
-
 instance Binary InstalledInterface where
   put_ bh (InstalledInterface modu is_sig info docMap argMap
            exps visExps opts fixMap) = do