Make charprop.el provide a feature

* admin/unidata/unidata-gen.el (unidata-gen-charprop):
Provide a feature.
* lisp/loadup.el: Use the charprop feature.

admin/unidata/unidata-gen.el

@@ -1450,7 +1450,10 @@ Property value is a symbol `o' (Open), `c' (Close), or `n' (None)."
 			(unidata-prop-prop proplist) (car elt)
 			(unidata-prop-docstring proplist)))))
     (or noninteractive (message "Writing %s..." charprop-file))
-    (insert ";; Local Variables:\n"
+    (insert "\n"
+	    "(provide 'charprop)\n"
+	    "\n"
+	    ";; Local Variables:\n"
 	    ";; coding: utf-8\n"
 	    ";; version-control: never\n"
 	    ";; no-byte-compile: t\n"

lisp/loadup.el

@@ -184,8 +184,8 @@
 (load "case-table")
 ;; This file doesn't exist when building a development version of Emacs
 ;; from the repository.  It is generated just after temacs is built.
-(if                              ; this formatting is for the Makefile
-    (load "international/charprop.el" t)
+(load "international/charprop.el" t)
+(if (featurep 'charprop)
     (setq redisplay--inhibit-bidi nil))
 (load "international/characters")
 (load "composite")
@@ -303,7 +303,7 @@
       ;; Don't load ucs-normalize.el unless uni-*.el files were
       ;; already produced, because it needs uni-*.el files that might
       ;; not be built early enough during bootstrap.
-      (when (load-history-filename-element "charprop\\.el")
+      (when (featurep 'charprop)
         (load "international/mule-util")
         (load "international/ucs-normalize")
         (load "term/ns-win"))))