update.

[elisp/apel.git] / pcustom.el

diff --git a/pcustom.el b/pcustom.el
index aa6a9f1..242ede6 100644 (file)
--- a/pcustom.el
+++ b/pcustom.el
@@ -1,11 +1,10 @@
 ;;; pcustom.el -- a portable custom.el.
 
+;; Copyright (C) 1999 Free Software Foundation, Inc.
 ;; Copyright (C) 1999 Mikio Nakajima <minakaji@osaka.email.ne.jp>
-;; Copyright (C) 1999 Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
 
 ;; Author: Mikio Nakajima <minakaji@osaka.email.ne.jp>
 ;;     Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
-;; Maintainer: Mikio Nakajima <minakaji@osaka.email.ne.jp>
 ;; Keywords: emulating, custom
 
 ;; This file is part of APEL (A Portable Emacs Library).
@@ -22,53 +21,45 @@
 
 ;; You should have received a copy of the GNU General Public License
 ;; along with this program; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Commentary:
 
 ;;; Code:
 
 (require 'poe)
-;; If old compiler is used under v18, `eval-when-compile' and
-;; `static-if' are expanded (and evaluated) at *load-time*.
 (eval-when-compile (require 'static))
 
-;; XXX: needs better abstraction.
 (static-if (condition-case nil
               ;; compile-time check.
-              ;; "new custom" requires widget library.
-              (and (require 'widget)
-                   (require 'custom)
-                   (fboundp 'custom-declare-variable))
-            (error
-             (if (null (featurep 'pcustom))
-                 (progn
-                   (message "
-  ** New CUSTOM library is not detected.  If you have that one, e.g. v1.9962,
-  ** please specify the installed path of the new CUSTOM library in the file
-  ** \"subdirs.el\" and rebuild this package.  For example, if you have
-  ** installed it in \"/usr/local/share/emacs/site-lisp/custom/\", put the
-  ** following line in the file \"/usr/local/share/emacs/site-lisp/subdirs.el\".
-  **
-  **   (normal-top-level-add-to-load-path '(\"custom\"))
-  **
-  ** Note that the argument can be a list of subdirectories.
-")
-                   (sleep-for 1)))
-             nil))
+              (if (and (require 'custom)
+                       (fboundp 'custom-declare-variable))
+                  ;; you have "new custom".
+                  t
+                ;; you have custom, but it is "old".
+                (message "\
+  ** \"old custom\" is loaded.  See README if you want to use \"new custom\".")
+                (sleep-for 1)
+                nil)
+            ;; you don't have custom.
+            (error nil))
     ;; you have "new custom". no load-time check.
     (require 'custom)
-  ;; your custom is "old custom", or you don't have custom library
-  ;; at compile-time.
+  ;; your custom is "old custom",
+  ;; or you don't have custom library at compile-time.
   (or (condition-case nil
          ;; load-time check.
          ;; load "custom" if exists.
          (and (require 'custom)
               (fboundp 'custom-declare-variable))
        (error nil))
-      ;; your custom is "old custom", or you don't have custom library.
+      ;; your custom is "old custom",
+      ;; or you don't have custom library.
       ;; load emulation version of "new custom".
       (require 'tinycustom)))
 
-(provide 'pcustom)
+(require 'product)
+(product-provide (provide 'pcustom) (require 'apel-ver))
 
-;; end of pcustom.el
+;;; pcustom.el ends here