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55535639 | 1 | ;;; version.el --- record version number of Emacs |
6edcb099 | 2 | |
62a0a40b | 3 | ;;; Copyright (C) 1985, 1992, 1994, 1995, 1999, 2000, 2001 |
fc87a966 | 4 | ;;; Free Software Foundation, Inc. |
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5 | |
6 | ;; Maintainer: FSF | |
7 | ;; Keywords: internal | |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
13 | ;; the Free Software Foundation; either version 2, or (at your option) | |
14 | ;; any later version. | |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
23 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
24 | ;; Boston, MA 02111-1307, USA. | |
25 | ||
55535639 PJ |
26 | ;;; Commentary: |
27 | ||
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28 | ;;; Code: |
29 | ||
a19e2798 | 30 | (defconst emacs-version "21.2.50" "\ |
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31 | Version numbers of this version of Emacs.") |
32 | ||
33 | (defconst emacs-major-version | |
34 | (progn (string-match "^[0-9]+" emacs-version) | |
35 | (string-to-int (match-string 0 emacs-version))) | |
36 | "Major version number of this version of Emacs. | |
37 | This variable first existed in version 19.23.") | |
38 | ||
39 | (defconst emacs-minor-version | |
40 | (progn (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version) | |
41 | (string-to-int (match-string 1 emacs-version))) | |
42 | "Minor version number of this version of Emacs. | |
43 | This variable first existed in version 19.23.") | |
44 | ||
45 | (defconst emacs-build-time (current-time) "\ | |
46 | Time at which Emacs was dumped out.") | |
47 | ||
48 | (defconst emacs-build-system (system-name)) | |
49 | ||
50 | (defun emacs-version (&optional here) "\ | |
51 | Return string describing the version of Emacs that is running. | |
52 | If optional argument HERE is non-nil, insert string at point. | |
53 | Don't use this function in programs to choose actions according | |
54 | to the system configuration; look at `system-configuration' instead." | |
55 | (interactive "P") | |
56 | (let ((version-string | |
57 | (format (if (not (interactive-p)) | |
3fac5d64 GM |
58 | "GNU Emacs %s (%s%s%s)\n of %s on %s" |
59 | "GNU Emacs %s (%s%s%s) of %s on %s") | |
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60 | emacs-version |
61 | system-configuration | |
fdbccd8b GM |
62 | (cond ((featurep 'motif) |
63 | (concat ", " (substring motif-version-string 4))) | |
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64 | ((featurep 'x-toolkit) ", X toolkit") |
65 | (t "")) | |
3fac5d64 GM |
66 | (if (and (boundp 'x-toolkit-scroll-bars) |
67 | (memq x-toolkit-scroll-bars '(xaw xaw3d))) | |
68 | (format ", %s scroll bars" | |
69 | (capitalize (symbol-name x-toolkit-scroll-bars))) | |
70 | "") | |
82b90229 | 71 | (format-time-string "%Y-%m-%d" emacs-build-time) |
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72 | emacs-build-system))) |
73 | (if here | |
74 | (insert version-string) | |
75 | (if (interactive-p) | |
76 | (message "%s" version-string) | |
77 | version-string)))) | |
78 | ||
c979fbdf | 79 | ;; We hope that this alias is easier for people to find. |
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80 | (defalias 'version 'emacs-version) |
81 | ||
e6abda02 | 82 | ;; We put version info into the executable in the form that `ident' uses. |
bd6a2462 | 83 | (or (memq system-type '(vax-vms windows-nt)) |
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84 | (purecopy (concat "\n$Id: " (subst-char-in-string ?\n ? (emacs-version)) |
85 | " $\n"))) | |
86 | ||
87 | ;;Local variables: | |
88 | ;;version-control: never | |
89 | ;;End: | |
90 | ||
91 | ;;; version.el ends here |