Sys.command -> Unix.system

diff --git a/matita/matita.ml b/matita/matita.ml
index d498f2ab6a4ca60fc53e401b9f65c92166dd697a..2cbb9a9a1350cd2303712637c3705d42c22e21e3 100644 (file)
--- a/matita/matita.ml
+++ b/matita/matita.ml
@@ -147,8 +147,8 @@ let _ =
       output_string oc str;
       close_out oc;
       let ps = Filename.temp_file "yy" ".png" in
-      ignore (Sys.command ("/usr/bin/dot -Tpng -o" ^ ps ^ " " ^ filename));
-      ignore (Sys.command ("/usr/bin/display " ^ ps));
+      ignore (Unix.system ("/usr/bin/dot -Tpng -o" ^ ps ^ " " ^ filename));
+      ignore (Unix.system ("/usr/bin/display " ^ ps));
       Sys.remove ps;
       Sys.remove filename);