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pcustom.el
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pcustom.el
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;;; pcustom.el -- a portable custom.el.
;; Copyright (C) 1999 Free Software Foundation, Inc.
;; Copyright (C) 1999 Mikio Nakajima <minakaji@osaka.email.ne.jp>
;; Author: Mikio Nakajima <minakaji@osaka.email.ne.jp>
;; Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
;; Keywords: emulating, custom
;; This file is part of APEL (A Portable Emacs Library).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or (at
;; your option) any later version.
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;; 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., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
(require 'poe)
(eval-when-compile (require 'static))
(static-if (condition-case nil
;; compile-time check.
(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.
(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.
;; load emulation version of "new custom".
(require 'tinycustom)))
(require 'product)
(product-provide (provide 'pcustom) (require 'apel-ver))
;;; pcustom.el ends here