(declare-function): Add compatibility stub.

(delete-duplicates, mapcan, cl-macroexpand-all): Declare.

lisp/ChangeLog

+2009-01-17  Glenn Morris  <rgm@gnu.org>
+
+	* progmodes/cc-langs.el (declare-function): Add compatibility stub.
+	(delete-duplicates, mapcan, cl-macroexpand-all): Declare.
+
+	* emacs-lisp/eldoc.el (eldoc-minor-mode-string)
+	(eldoc-message-commands, eldoc-print-current-symbol-info):
+	Doc fix (consistent case of "ElDoc").
+
 2009-01-17  Roland Winkler  <Roland.Winkler@physik.uni-erlangen.de>
 	* textmodes/bibtex.el (bibtex-format-entry): Simplify previous

lisp/progmodes/cc-langs.el

@@ -115,6 +115,10 @@
 
 ;;; Code:
 
+;; For Emacs < 22.2.
+(eval-and-compile
+  (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
+
 (eval-when-compile
   (let ((load-path
 	 (if (and (boundp 'byte-compile-dest-file)
@@ -204,6 +208,12 @@ the evaluated constant value at compile time."
 (def-edebug-spec c-lang-defvar
   (&define name def-form &optional stringp)) ;)
 
+;; Suppress "might not be defined at runtime" warning.
+;; This file is only used when compiling other cc files.
+(declare-function delete-duplicates "cl-seq" (cl-seq &rest cl-keys))
+(declare-function mapcan "cl-extra" (cl-func cl-seq &rest cl-rest))
+(declare-function cl-macroexpand-all "cl-extra" (form &optional env))
+
 (eval-and-compile
   ;; Some helper functions used when building the language constants.