X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcoreSyn%2FMkExternalCore.lhs;h=467cff5baa78a40a618c80cf38f166d2dddaf3b5;hb=22b39e40ba469e0ab46dd248ef5aaf46f8327940;hp=e7d79e616270742fb5cec8881557b1defd3bf39a;hpb=0b86bc9b022a5965d2b35f143ff4b919f784e676;p=ghc-hetmet.git

diff --git a/compiler/coreSyn/MkExternalCore.lhs b/compiler/coreSyn/MkExternalCore.lhs
index e7d79e6..467cff5 100644
--- a/compiler/coreSyn/MkExternalCore.lhs
+++ b/compiler/coreSyn/MkExternalCore.lhs
@@ -1,5 +1,5 @@
 
-% (c) The University of Glasgow 2001
+% (c) The University of Glasgow 2001-2006
 %
 \begin{code}
 
@@ -18,19 +18,18 @@ import TyCon
 import TypeRep
 import Type
 import PprExternalCore	-- Instances
-import DataCon	( DataCon, dataConExTyVars, dataConRepArgTys, 
-		  dataConName, dataConTyCon )
+import DataCon
 import CoreSyn
 import Var
 import IdInfo
 import Literal
 import Name
-import NameSet ( NameSet, emptyNameSet )
-import UniqSet ( elementOfUniqSet )
+import NameSet
+import UniqSet
 import Outputable
 import ForeignCall
-import DynFlags	( DynFlags(..) )
-import StaticFlags	( opt_EmitExternalCore )
+import DynFlags
+import StaticFlags
 import IO
 import FastString
 
@@ -69,7 +68,7 @@ collect_tdefs tcon tdefs
 --         | null (tyConDataCons tcon) = error "MkExternalCore died: can't handle datatype declarations with no data constructors"
          | otherwise = 
                 C.Data (make_con_qid (tyConName tcon)) (map make_tbind tyvars) (map make_cdef (tyConDataCons tcon)) 
-         where repclause | isRecursiveTyCon tcon = Nothing
+         where repclause | isRecursiveTyCon tcon || isOpenTyCon tcon= Nothing
 		         | otherwise = Just (make_ty rep)
                                            where (_, rep) = newTyConRep tcon
     tyvars = tyConTyVars tcon