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1 | ;;; version.el --- record version number of Emacs. |
2 | ||
3 | ;;; Copyright (C) 1985, 1992, 1994, 1995, 1999 Free Software Foundation, Inc. | |
4 | ||
5 | ;; Maintainer: FSF | |
6 | ;; Keywords: internal | |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
24 | ||
25 | ;;; Code: | |
26 | ||
b6680a0e | 27 | (defconst emacs-version "21.0.90" "\ |
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28 | Version numbers of this version of Emacs.") |
29 | ||
30 | (defconst emacs-major-version | |
31 | (progn (string-match "^[0-9]+" emacs-version) | |
32 | (string-to-int (match-string 0 emacs-version))) | |
33 | "Major version number of this version of Emacs. | |
34 | This variable first existed in version 19.23.") | |
35 | ||
36 | (defconst emacs-minor-version | |
37 | (progn (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version) | |
38 | (string-to-int (match-string 1 emacs-version))) | |
39 | "Minor version number of this version of Emacs. | |
40 | This variable first existed in version 19.23.") | |
41 | ||
42 | (defconst emacs-build-time (current-time) "\ | |
43 | Time at which Emacs was dumped out.") | |
44 | ||
45 | (defconst emacs-build-system (system-name)) | |
46 | ||
47 | (defun emacs-version (&optional here) "\ | |
48 | Return string describing the version of Emacs that is running. | |
49 | If optional argument HERE is non-nil, insert string at point. | |
50 | Don't use this function in programs to choose actions according | |
51 | to the system configuration; look at `system-configuration' instead." | |
52 | (interactive "P") | |
53 | (let ((version-string | |
54 | (format (if (not (interactive-p)) | |
55 | "GNU Emacs %s (%s%s)\n of %s on %s" | |
56 | "GNU Emacs %s (%s%s) of %s on %s") | |
57 | emacs-version | |
58 | system-configuration | |
59 | (cond ((featurep 'motif) ", Motif") | |
60 | ((featurep 'x-toolkit) ", X toolkit") | |
61 | (t "")) | |
41115d07 | 62 | (format-time-string "%a %Y-%m-%d" emacs-build-time) |
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63 | emacs-build-system))) |
64 | (if here | |
65 | (insert version-string) | |
66 | (if (interactive-p) | |
67 | (message "%s" version-string) | |
68 | version-string)))) | |
69 | ||
70 | ;;; We hope that this alias is easier for people to find. | |
71 | (defalias 'version 'emacs-version) | |
72 | ||
73 | ;;; We put version info into the executable in the form that ident(1) uses. | |
bd6a2462 | 74 | (or (memq system-type '(vax-vms windows-nt)) |
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75 | (purecopy (concat "\n$Id: " (subst-char-in-string ?\n ? (emacs-version)) |
76 | " $\n"))) | |
77 | ||
78 | ;;Local variables: | |
79 | ;;version-control: never | |
80 | ;;End: | |
81 | ||
82 | ;;; version.el ends here |