Removed more obsolete compilation flags

Author: mmottl

lib/config/discover.ml

@@ -68,12 +68,6 @@ let split_ws str =
   done;
   List.rev !lst
 
-let add_compiler_args ~is_msvc ~cflags ~libs =
-  let module C = Configurator.V1 in
-  match is_msvc with
-  | true -> { C.Pkg_config.cflags; libs }
-  | false -> { C.Pkg_config.cflags = cflags @ [ "-fPIC"; "-DPIC" ]; libs }
-
 let () =
   let module C = Configurator.V1 in
   C.main ~name:"sqlite3" (fun c ->
@@ -82,11 +76,6 @@ let () =
           | "macosx" -> true
           | _ -> false)
       in
-      let is_msvc =
-        opt_map (C.ocaml_config_var c "ccomp_type") ~default:false ~f:(function
-          | "msvc" -> true
-          | _ -> false)
-      in
       let is_mingw =
         opt_map (C.ocaml_config_var c "system") ~default:false ~f:(function
           | "mingw" | "mingw64" -> true
@@ -123,6 +112,5 @@ let () =
         | [ libs ] -> split_ws libs
         | _ -> failwith "pkg-config failed to return libs"
       in
-      let conf = add_compiler_args ~is_msvc ~cflags ~libs in
-      C.Flags.write_sexp "c_flags.sexp" conf.cflags;
-      C.Flags.write_sexp "c_library_flags.sexp" conf.libs)
+      C.Flags.write_sexp "c_flags.sexp" cflags;
+      C.Flags.write_sexp "c_library_flags.sexp" libs)