HCoop / bpt / emacs.git / blame
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| 6edcb099 DL |
1 | ;;; version.el --- record version number of Emacs. |
| 2 | ||
| fc87a966 GM |
3 | ;;; Copyright (C) 1985, 1992, 1994, 1995, 1999, 2000 |
| 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 | ||
| 26 | ;;; Code: | |
| 27 | ||
| fc87a966 | 28 | (defconst emacs-version "21.0.94" "\ |
| 6edcb099 DL |
29 | Version numbers of this version of Emacs.") |
| 30 | ||
| 31 | (defconst emacs-major-version | |
| 32 | (progn (string-match "^[0-9]+" emacs-version) | |
| 33 | (string-to-int (match-string 0 emacs-version))) | |
| 34 | "Major version number of this version of Emacs. | |
| 35 | This variable first existed in version 19.23.") | |
| 36 | ||
| 37 | (defconst emacs-minor-version | |
| 38 | (progn (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version) | |
| 39 | (string-to-int (match-string 1 emacs-version))) | |
| 40 | "Minor version number of this version of Emacs. | |
| 41 | This variable first existed in version 19.23.") | |
| 42 | ||
| 43 | (defconst emacs-build-time (current-time) "\ | |
| 44 | Time at which Emacs was dumped out.") | |
| 45 | ||
| 46 | (defconst emacs-build-system (system-name)) | |
| 47 | ||
| 48 | (defun emacs-version (&optional here) "\ | |
| 49 | Return string describing the version of Emacs that is running. | |
| 50 | If optional argument HERE is non-nil, insert string at point. | |
| 51 | Don't use this function in programs to choose actions according | |
| 52 | to the system configuration; look at `system-configuration' instead." | |
| 53 | (interactive "P") | |
| 54 | (let ((version-string | |
| 55 | (format (if (not (interactive-p)) | |
| 56 | "GNU Emacs %s (%s%s)\n of %s on %s" | |
| 57 | "GNU Emacs %s (%s%s) of %s on %s") | |
| 58 | emacs-version | |
| 59 | system-configuration | |
| 60 | (cond ((featurep 'motif) ", Motif") | |
| 61 | ((featurep 'x-toolkit) ", X toolkit") | |
| 62 | (t "")) | |
| 41115d07 | 63 | (format-time-string "%a %Y-%m-%d" emacs-build-time) |
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64 | emacs-build-system))) |
| 65 | (if here | |
| 66 | (insert version-string) | |
| 67 | (if (interactive-p) | |
| 68 | (message "%s" version-string) | |
| 69 | version-string)))) | |
| 70 | ||
| 71 | ;;; We hope that this alias is easier for people to find. | |
| 72 | (defalias 'version 'emacs-version) | |
| 73 | ||
| 74 | ;;; We put version info into the executable in the form that ident(1) uses. | |
| bd6a2462 | 75 | (or (memq system-type '(vax-vms windows-nt)) |
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76 | (purecopy (concat "\n$Id: " (subst-char-in-string ?\n ? (emacs-version)) |
| 77 | " $\n"))) | |
| 78 | ||
| 79 | ;;Local variables: | |
| 80 | ;;version-control: never | |
| 81 | ;;End: | |
| 82 | ||
| 83 | ;;; version.el ends here |