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;;; version.el --- record version number of Emacs -*- no-byte-compile: t -*-
;; Copyright (C) 1985, 1992, 1994, 1995, 1999, 2000, 2001, 2002, 2003,
;; 2004, 2005, 2006, 2007, 2008, 2009, 2010
;; 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file is loaded uncompiled when dumping Emacs.
;; Doc-strings should adhere to the conventions of make-docfile.
;;; Code:
(defconst emacs-major-version (progn (string-match "^[0-9]+" emacs-version) (string-to-number (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-number (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 (called-interactively-p 'interactive))
"GNU Emacs %s (%s%s%s)\n of %s on %s"
"GNU Emacs %s (%s%s%s) of %s on %s")
emacs-version
system-configuration
(cond ((featurep 'motif)
(concat ", " (substring motif-version-string 4)))
((featurep 'gtk)
(concat ", GTK+ Version " gtk-version-string))
((featurep 'x-toolkit) ", X toolkit")
((featurep 'ns)
(format ", NS %s" ns-version-string))
(t ""))
(if (and (boundp 'x-toolkit-scroll-bars)
(memq x-toolkit-scroll-bars '(xaw xaw3d)))
(format ", %s scroll bars"
(capitalize (symbol-name x-toolkit-scroll-bars)))
"")
(format-time-string "%Y-%m-%d" emacs-build-time)
emacs-build-system)))
(if here
(insert version-string)
(if (called-interactively-p 'interactive)
(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' uses.
(or (eq system-type 'windows-nt)
(purecopy (concat "\n$Id: " (subst-char-in-string ?\n ?\s (emacs-version))
" $\n")))
;;Local variables:
;;version-control: never
;;End:
;; arch-tag: e60dc445-6218-4a4c-a7df-f15a818642a0
;;; version.el ends here
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