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;;; version.el --- record version number of Emacs.
;;; Copyright (C) 1985, 1992, 1994, 1995, 1999 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
(defconst emacs-version "20.5.92" "\
Version numbers of this version of Emacs.")
(defconst emacs-major-version
(progn (string-match "^[0-9]+" emacs-version)
(string-to-int (match-string 0 emacs-version)))
"Major version number of this version of Emacs.
This variable first existed in version 19.23.")
(defconst emacs-minor-version
(progn (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version)
(string-to-int (match-string 1 emacs-version)))
"Minor version number of this version of Emacs.
This variable first existed in version 19.23.")
(defconst emacs-build-time (current-time) "\
Time at which Emacs was dumped out.")
(defconst emacs-build-system (system-name))
(defun emacs-version (&optional here) "\
Return string describing the version of Emacs that is running.
If optional argument HERE is non-nil, insert string at point.
Don't use this function in programs to choose actions according
to the system configuration; look at `system-configuration' instead."
(interactive "P")
(let ((version-string
(format (if (not (interactive-p))
"GNU Emacs %s (%s%s)\n of %s on %s"
"GNU Emacs %s (%s%s) of %s on %s")
emacs-version
system-configuration
(cond ((featurep 'motif) ", Motif")
((featurep 'x-toolkit) ", X toolkit")
(t ""))
(format-time-string "%a %b %e %Y" emacs-build-time)
emacs-build-system)))
(if here
(insert version-string)
(if (interactive-p)
(message "%s" version-string)
version-string))))
;;; We hope that this alias is easier for people to find.
(defalias 'version 'emacs-version)
;;; We put version info into the executable in the form that ident(1) uses.
(or (memq system-type '(vax-vms windows-nt ms-dos))
(purecopy (concat "\n$Id: " (subst-char-in-string ?\n ? (emacs-version))
" $\n")))
;;Local variables:
;;version-control: never
;;End:
;;; version.el ends here
|
