Clean up config.ml (#7636)

* Clean up config.ml

* CHANGELOG

Author: cknitt

CHANGELOG.md

@@ -18,6 +18,7 @@
 - Remove unused `-bs-D` and `-bs-list-conditionals` flags. https://github.com/rescript-lang/rescript/pull/7631
 - Remove obsolete jsx options. https://github.com/rescript-lang/rescript/pull/7633
 - Remove obsolete option `-bs-unsafe-empty-array`. https://github.com/rescript-lang/rescript/pull/7635
+- Clean up `config.ml`. https://github.com/rescript-lang/rescript/pull/7636
 
 # 12.0.0-beta.1
 

analysis/src/Shared.ml

@@ -5,18 +5,14 @@ let tryReadCmt cmt =
   else
     match Cmt_format.read_cmt cmt with
     | exception Cmi_format.Error err ->
-      Log.log
-        ("Failed to load " ^ cmt ^ " as a cmt w/ ocaml version " ^ "406"
-       ^ ", error: "
-        ^
-        (Cmi_format.report_error Format.str_formatter err;
-         Format.flush_str_formatter ()));
+      let error_message =
+        Cmi_format.report_error Format.str_formatter err;
+        Format.flush_str_formatter ()
+      in
+      Log.log ("Invalid cmt format " ^ cmt ^ ": " ^ error_message);
       None
     | exception err ->
-      Log.log
-        ("Invalid cmt format " ^ cmt
-       ^ " - probably wrong ocaml version, expected " ^ Config.version ^ " : "
-       ^ Printexc.to_string err);
+      Log.log ("Invalid cmt format " ^ cmt ^ ": " ^ Printexc.to_string err);
       None
     | x -> Some x
 

compiler/ext/config.ml

@@ -1,5 +1,3 @@
-let version = "4.06.1+BS"
-
 (* This resolves the location of the standard library starting from the location of bsc.exe,
   handling different supported package layouts. *)
 let standard_library =
@@ -31,8 +29,6 @@ let standard_library =
   | _ :: _ :: _ :: _ :: rest -> build_path rest ["lib"; "ocaml"]
   | _ -> ""
 
-let standard_library_default = standard_library
-
 let cmi_magic_number = "Caml1999I022"
 
 and ast_impl_magic_number = "Caml1999M022"
@@ -42,20 +38,3 @@ and ast_intf_magic_number = "Caml1999N022"
 and cmt_magic_number = "Caml1999T022"
 
 let load_path = ref ([] : string list)
-
-(* This is normally the same as in obj.ml, but we have to define it
-   separately because it can differ when we're in the middle of a
-   bootstrapping phase. *)
-
-let print_config oc =
-  let p name valu = Printf.fprintf oc "%s: %s\n" name valu in
-  p "version" version;
-  p "standard_library_default" standard_library_default;
-  p "standard_library" standard_library;
-
-  (* print the magic number *)
-  p "cmi_magic_number" cmi_magic_number;
-  p "ast_impl_magic_number" ast_impl_magic_number;
-  p "ast_intf_magic_number" ast_intf_magic_number;
-  p "cmt_magic_number" cmt_magic_number;
-  flush oc

compiler/ext/config.mli

@@ -15,9 +15,6 @@
 
 (* System configuration *)
 
-val version : string
-(* The current version number of the system *)
-
 val standard_library : string
 (* The directory containing the standard libraries *)
 
@@ -35,5 +32,3 @@ val ast_impl_magic_number : string
 (* Magic number for file holding an implementation syntax tree *)
 val cmt_magic_number : string
 (* Magic number for compiled interface files *)
-
-val print_config : out_channel -> unit