1.1 --- a/src/HOL/Tools/Quickcheck/narrowing_generators.ML	Fri Aug 19 19:01:00 2011 -0700
     1.2 +++ b/src/HOL/Tools/Quickcheck/narrowing_generators.ML	Thu Aug 18 13:37:41 2011 +0200
     1.3 @@ -251,7 +251,7 @@
     1.4            (if contains_existentials then pnf_narrowing_engine else narrowing_engine)
     1.5          val _ = File.write main_file main
     1.6          val executable = File.shell_path (Path.append in_path (Path.basic "isabelle_quickcheck_narrowing"))
     1.7 -        val cmd = "exec \"$ISABELLE_GHC\" -fglasgow-exts " ^
     1.8 +        val cmd = "exec \"$ISABELLE_GHC\" -XRankNTypes -XScopedTypeVariables " ^
     1.9            (space_implode " " (map File.shell_path [code_file, narrowing_engine_file, main_file])) ^
    1.10            " -o " ^ executable ^ ";"
    1.11          val (result, compilation_time) =

     2.1 --- a/src/Tools/Code/code_haskell.ML	Fri Aug 19 19:01:00 2011 -0700
     2.2 +++ b/src/Tools/Code/code_haskell.ML	Thu Aug 18 13:37:41 2011 +0200
     2.3 @@ -453,7 +453,7 @@
     2.4      (target, { serializer = serializer, literals = literals,
     2.5        check = { env_var = "ISABELLE_GHC", make_destination = I,
     2.6          make_command = fn module_name =>
     2.7 -          "\"$ISABELLE_GHC\" -fglasgow-exts -odir build -hidir build -stubdir build -e \"\" " ^
     2.8 +          "\"$ISABELLE_GHC\" -XRankNTypes -XScopedTypeVariables -odir build -hidir build -stubdir build -e \"\" " ^
     2.9              module_name ^ ".hs" } })
    2.10    #> Code_Target.add_tyco_syntax target "fun" (SOME (2, fn print_typ => fn fxy => fn [ty1, ty2] =>
    2.11        brackify_infix (1, R) fxy (