X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcTyDecls.lhs;h=c1a3389c9c9e522c03fbcdfda2245482e1dc6e29;hp=86d4a2b830d698d2a45577981ca2f2463d5d6b82;hb=ab22f4e6456820c1b5169d75f5975a94e61f54ce;hpb=e8a591c1a3dbdeccec2dd2aacccd7435004b0d51

diff --git a/compiler/typecheck/TcTyDecls.lhs b/compiler/typecheck/TcTyDecls.lhs
index 86d4a2b..c1a3389 100644
--- a/compiler/typecheck/TcTyDecls.lhs
+++ b/compiler/typecheck/TcTyDecls.lhs
@@ -1,4 +1,5 @@
 %
+% (c) The University of Glasgow 2006
 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1999
 %
 
@@ -7,7 +8,6 @@ Analysis functions over data types.  Specficially, detecting recursive types.
 This stuff is only used for source-code decls; it's recorded in interface
 files for imported data types.
 
-
 \begin{code}
 module TcTyDecls(
 	calcRecFlags, 
@@ -16,24 +16,22 @@ module TcTyDecls(
 
 #include "HsVersions.h"
 
-import TypeRep          ( Type(..), TyNote(..), PredType(..) )  -- friend
-import HsSyn		( TyClDecl(..), HsPred(..), LTyClDecl, isClassDecl )
-import RnHsSyn		( extractHsTyNames )
-import Type		( predTypeRep, tcView )
-import HscTypes		( TyThing(..), ModDetails(..) )
-import TyCon            ( TyCon, tyConArity, tyConDataCons, tyConTyVars,
-                          isSynTyCon, isAlgTyCon, 
-			  tyConName, isNewTyCon, isProductTyCon, newTyConRhs )
-import Class		( classTyCon )
-import DataCon          ( dataConOrigArgTys )
-import Var              ( TyVar )
+import TypeRep
+import HsSyn
+import RnHsSyn
+import Type
+import HscTypes
+import TyCon
+import Class
+import DataCon
+import Var
 import VarSet
-import Name		( Name, isTyVarName )
+import Name
 import NameEnv
 import NameSet
-import Digraph 		( SCC(..), stronglyConnComp, stronglyConnCompR )
-import BasicTypes	( RecFlag(..) )
-import SrcLoc		( Located(..), unLoc )
+import Digraph
+import BasicTypes
+import SrcLoc
 import Outputable
 \end{code}
 
@@ -214,7 +212,7 @@ calcRecFlags boot_details tyclss
     is_rec n | n `elemNameSet` rec_names = Recursive
 	     | otherwise		 = NonRecursive
 
-    boot_name_set = md_exports boot_details
+    boot_name_set = availsToNameSet (md_exports boot_details)
     rec_names = boot_name_set	  `unionNameSets` 
 		nt_loop_breakers  `unionNameSets`
 	        prod_loop_breakers
@@ -238,7 +236,8 @@ calcRecFlags boot_details tyclss
 	-- rather less nice, so I'm not going to do that yet.
 
 	--------------- Newtypes ----------------------
-    new_tycons = filter isNewTyCon all_tycons
+    new_tycons = filter isNewTyConAndNotOpen all_tycons
+    isNewTyConAndNotOpen tycon = isNewTyCon tycon && not (isOpenTyCon tycon)
     nt_loop_breakers = mkNameSet (findLoopBreakers nt_edges)
     is_rec_nt tc = tyConName tc  `elemNameSet` nt_loop_breakers
 	-- is_rec_nt is a locally-used helper function