Provide an interface for driver/optmain.ml

Author: shindere

.depend

@@ -6162,9 +6162,12 @@ driver/opterrors.cmx : \
     driver/opterrors.cmi
 driver/opterrors.cmi :
 driver/optmain.cmo : \
-    driver/optmaindriver.cmi
+    driver/optmaindriver.cmi \
+    driver/optmain.cmi
 driver/optmain.cmx : \
-    driver/optmaindriver.cmx
+    driver/optmaindriver.cmx \
+    driver/optmain.cmi
+driver/optmain.cmi :
 driver/optmaindriver.cmo : \
     utils/warnings.cmi \
     utils/profile.cmi \

driver/optmain.mli

@@ -0,0 +1,19 @@
+(**************************************************************************)
+(*                                                                        *)
+(*                                 OCaml                                  *)
+(*                                                                        *)
+(*             Sebastien Hinderer, projet Cambium, INRIA Paris            *)
+(*                                                                        *)
+(*   Copyright 2022 Institut National de Recherche en Informatique et     *)
+(*     en Automatique.                                                    *)
+(*                                                                        *)
+(*   All rights reserved.  This file is distributed under the terms of    *)
+(*   the GNU Lesser General Public License version 2.1, with the          *)
+(*   special exception on linking described in the file LICENSE.          *)
+(*                                                                        *)
+(**************************************************************************)
+
+(* Interface to the native compiler's main module *)
+
+(* This interface file is empty because driver/optmain.ml only runs
+   code during initialisation and exports nothing *)