call ghc with -XEmptyDataDecls
authornoschinl
Thu, 08 Sep 2011 12:23:11 +0200
changeset 44852 8ac91e7b6024
parent 44851 4bc70ab28787
child 44853 e3310cdb4e48
child 44854 0b3d3570ab31
call ghc with -XEmptyDataDecls
src/HOL/Tools/Quickcheck/narrowing_generators.ML
src/Tools/Code/code_haskell.ML
--- a/src/HOL/Tools/Quickcheck/narrowing_generators.ML	Fri Sep 09 06:47:14 2011 +0200
+++ b/src/HOL/Tools/Quickcheck/narrowing_generators.ML	Thu Sep 08 12:23:11 2011 +0200
@@ -251,7 +251,7 @@
           (if contains_existentials then pnf_narrowing_engine else narrowing_engine)
         val _ = File.write main_file main
         val executable = File.shell_path (Path.append in_path (Path.basic "isabelle_quickcheck_narrowing"))
-        val cmd = "exec \"$ISABELLE_GHC\" -XRankNTypes -XScopedTypeVariables " ^
+        val cmd = "exec \"$ISABELLE_GHC\" -XRankNTypes -XScopedTypeVariables -XEmptyDataDecls " ^
           (space_implode " " (map File.shell_path [code_file, narrowing_engine_file, main_file])) ^
           " -o " ^ executable ^ ";"
         val (result, compilation_time) =
--- a/src/Tools/Code/code_haskell.ML	Fri Sep 09 06:47:14 2011 +0200
+++ b/src/Tools/Code/code_haskell.ML	Thu Sep 08 12:23:11 2011 +0200
@@ -446,7 +446,7 @@
     (target, { serializer = serializer, literals = literals,
       check = { env_var = "ISABELLE_GHC", make_destination = I,
         make_command = fn module_name =>
-          "\"$ISABELLE_GHC\" -XRankNTypes -XScopedTypeVariables -odir build -hidir build -stubdir build -e \"\" " ^
+          "\"$ISABELLE_GHC\" -XRankNTypes -XScopedTypeVariables -XEmptyDataDecls -odir build -hidir build -stubdir build -e \"\" " ^
             module_name ^ ".hs" } })
   #> Code_Target.add_tyco_syntax target "fun" (SOME (2, fn print_typ => fn fxy => fn [ty1, ty2] =>
       brackify_infix (1, R) fxy (