Make a few libraries loadable in isolation

* lisp/calc/calc-menu.el: Make it loadable in isolation.

* lisp/gnus/gnus-vm.el: Make it loadable without VM.
(gnus-vm-make-folder, gnus-summary-save-in-vm): Require 'vm.
(vm-forward-message, vm-reply, vm-mail): Remove unused autoloads.

* lisp/net/eudcb-bbdb.el: Make it loadable without bbdb.
(eudc-bbdb-filter-non-matching-record, eudc-bbdb-extract-phones)
(eudc-bbdb-extract-addresses, eudc-bbdb-format-record-as-result)
(eudc-bbdb-query-internal): Require 'bbdb.

lisp/ChangeLog

@@ -1,5 +1,12 @@
 2013-05-11  Glenn Morris  <rgm@gnu.org>
 
+	* calc/calc-menu.el: Make it loadable in isolation.
+
+	* net/eudcb-bbdb.el: Make it loadable without bbdb.
+	(eudc-bbdb-filter-non-matching-record, eudc-bbdb-extract-phones)
+	(eudc-bbdb-extract-addresses, eudc-bbdb-format-record-as-result)
+	(eudc-bbdb-query-internal): Require 'bbdb.
+
 	* lpr.el (lpr-headers-switches):
 	* emacs-lisp/testcover.el (testcover-compose-functions): Fix :type.
 

lisp/calc/calc-menu.el

@@ -1634,7 +1634,9 @@
            (Info-goto-node "Help Commands"))])
   "Menu for Calc's help functions.")
 
-(defvar calc-mode-map)
+;; Needed to make this file loadable in isolation.
+;; Another option would be to use calc-load-hook.
+(require 'calc)
 
 (easy-menu-define
   calc-menu

lisp/gnus/ChangeLog

@@ -1,3 +1,9 @@
+2013-05-11  Glenn Morris  <rgm@gnu.org>
+
+	* gnus-vm.el: Make it loadable without VM.
+	(gnus-vm-make-folder, gnus-summary-save-in-vm): Require 'vm.
+	(vm-forward-message, vm-reply, vm-mail): Remove unused autoloads.
+
 2013-05-09  Glenn Morris  <rgm@gnu.org>
 
 	* mml1991.el: Make it loadable.  (Bug#13456)

lisp/gnus/gnus-vm.el

@@ -35,12 +35,10 @@
 (require 'gnus-msg)
 
 (eval-when-compile
-  (require 'cl)
-  (autoload 'vm-mode "vm")
-  (autoload 'vm-save-message "vm")
-  (autoload 'vm-forward-message "vm")
-  (autoload 'vm-reply "vm")
-  (autoload 'vm-mail "vm"))
+  (require 'cl))
+
+(autoload 'vm-mode "vm")
+(autoload 'vm-save-message "vm")
 
 (defvar gnus-vm-inhibit-window-system nil
   "Inhibit loading `win-vm' if using a window-system.
@@ -51,10 +49,8 @@ Has to be set before gnus-vm is loaded.")
     (when window-system
       (require 'win-vm))))
 
-(when (not (featurep 'vm))
-  (load "vm"))
-
 (defun gnus-vm-make-folder (&optional buffer)
+  (require 'vm)
   (let ((article (or buffer (current-buffer)))
 	(tmp-folder (generate-new-buffer " *tmp-folder*"))
 	(start (point-min))
@@ -87,6 +83,7 @@ save those articles instead."
 
 (defun gnus-summary-save-in-vm (&optional folder)
   (interactive)
+  (require 'vm)
   (setq folder
 	(gnus-read-save-file-name
 	 "Save %s in VM folder:" folder

lisp/net/eudcb-bbdb.el

@@ -29,10 +29,10 @@
 ;;; Code:
 
 (require 'eudc)
-(if (not (featurep 'bbdb))
-    (load-library "bbdb"))
-(if (not (featurep 'bbdb-com))
-    (load-library "bbdb-com"))
+
+;; Make it loadable on systems without bbdb.
+(require 'bbdb nil t)
+(require 'bbdb-com nil t)
 
 ;;{{{      Internal cooking
 
@@ -71,6 +71,7 @@
 
 (defun eudc-bbdb-filter-non-matching-record (record)
   "Return RECORD if it matches `eudc-bbdb-current-query', nil otherwise."
+  (require 'bbdb)
   (catch 'unmatch
     (progn
       (dolist (condition eudc-bbdb-current-query)
@@ -112,6 +113,7 @@
                   (&optional dont-check-disk already-in-db-buffer))
 
 (defun eudc-bbdb-extract-phones (record)
+  (require 'bbdb)
   (mapcar (function
 	   (lambda (phone)
 	     (if eudc-bbdb-use-locations-as-attribute-names
@@ -123,6 +125,7 @@
 	  (bbdb-record-phones record)))
 
 (defun eudc-bbdb-extract-addresses (record)
+  (require 'bbdb)
   (let (s c val)
     (mapcar (lambda (address)
               (setq c (bbdb-address-streets address))
@@ -146,6 +149,7 @@
 (defun eudc-bbdb-format-record-as-result (record)
   "Format the BBDB RECORD as a EUDC query result record.
 The record is filtered according to `eudc-bbdb-current-return-attributes'"
+  (require 'bbdb)
   (let ((attrs (or eudc-bbdb-current-return-attributes
 		   '(firstname lastname aka company phones addresses net notes)))
 	attr
@@ -188,7 +192,7 @@ QUERY is a list of cons cells (ATTR . VALUE) where ATTRs should be valid
 BBDB attribute names.
 RETURN-ATTRS is a list of attributes to return, defaulting to
 `eudc-default-return-attributes'."
-
+  (require 'bbdb)
   (let ((eudc-bbdb-current-query query)
 	(eudc-bbdb-current-return-attributes return-attrs)
 	(query-attrs (eudc-bbdb-format-query query))