1 ;; version.el --- Record version number of Emacs.
3 ;; Copyright (C) 1985, 1991-1994, 1997 Free Software Foundation, Inc.
5 ;; Maintainer: XEmacs Development Team
6 ;; Keywords: internal, dumped
8 ;; This file is part of XEmacs.
10 ;; XEmacs 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)
15 ;; XEmacs 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.
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.
25 ;;; Synched up with: FSF 19.34.
29 ;; This file is dumped with XEmacs.
33 (defconst xemacs-betaname
34 (and emacs-beta-version (format "(beta%d)" emacs-beta-version))
35 "Non-nil when this is a test (beta) version of XEmacs.
36 Warning, this variable did not exist in XEmacs versions prior to 20.3")
38 (defconst emacs-version
40 (format "%d.%d %s%s%s%s"
44 (format "(patch %d)" emacs-patch-level)
46 (or xemacs-betaname "")
48 (concat " \"" xemacs-codename "\"")
51 "Version numbers of this version of XEmacs.")
53 (if (featurep 'infodock)
56 ;; Moved to C code as of XEmacs 20.3
57 ;(defconst emacs-major-version
58 ; (progn (or (string-match "^[0-9]+" emacs-version)
59 ; (error "emacs-version unparsable"))
60 ; (string-to-int (match-string 0 emacs-version)))
61 ; "Major version number of this version of Emacs, as an integer.
62 ;Warning, this variable did not exist in Emacs versions earlier than:
66 ;; Moved to C code as of XEmacs 20.3
67 ;(defconst emacs-minor-version
68 ; (progn (or (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version)
69 ; (error "emacs-version unparsable"))
70 ; (string-to-int (match-string 1 emacs-version)))
71 ; "Minor version number of this version of Emacs, as an integer.
72 ;Warning, this variable did not exist in Emacs versions earlier than:
76 (defconst emacs-build-time (current-time-string)
77 "Time at which Emacs was dumped out.")
79 (defconst emacs-build-system (system-name))
81 (defun emacs-version (&optional arg)
82 "Return string describing the version of Emacs that is running.
83 When called interactively with a prefix argument, insert string at point.
84 Don't use this function in programs to choose actions according
85 to the system configuration; look at `system-configuration' instead."
90 "XEmacs %s %s(%s%s)%s of %s %s on %s"
91 (substring emacs-version 0 (string-match " XEmacs" emacs-version))
92 (if (not (featurep 'infodock))
96 (cond ((or (and (fboundp 'featurep)
98 (memq 'mule features)) ", Mule")
100 (cond ((or (and (fboundp 'featurep)
101 (featurep 'utf-2000))
102 (memq 'utf-2000 features))
103 (concat " UTF-2000 v" utf-2000-version))
105 (substring emacs-build-time 0
106 (string-match " *[0-9]*:" emacs-build-time))
107 (substring emacs-build-time
108 (string-match "[0-9]*$" emacs-build-time))
109 emacs-build-system)))
111 ((null arg) version-string)
112 ((eq arg 1) (message "%s" version-string))
113 (t (insert version-string))))))
115 ;; from emacs-vers.el
116 (defun emacs-version>= (major &optional minor patch)
117 "Return true if the Emacs version is >= to the given MAJOR, MINOR,
119 The MAJOR version number argument is required, but the other arguments
120 argument are optional. Only the Non-nil arguments are used in the test."
121 (let ((emacs-patch (or emacs-patch-level emacs-beta-version -1)))
122 (cond ((> emacs-major-version major))
123 ((< emacs-major-version major) nil)
125 ((> emacs-minor-version minor))
126 ((< emacs-minor-version minor) nil)
128 ((>= emacs-patch patch)))))
130 ;;; We hope that this alias is easier for people to find.
131 (define-function 'version 'emacs-version)
133 ;; Put the emacs version number into the `pure[]' array in a form that
134 ;; `what(1)' can extract from the executable or a core file. We don't
135 ;; actually need this to be pointed to from lisp; pure objects can't
137 (or (memq system-type '(windows-nt ms-dos))
138 (purecopy (concat "\n@" "(#)" (emacs-version)
139 "\n@" "(#)" "Configuration: "
140 system-configuration "\n")))
143 ;;version-control: never
146 ;;; version.el ends here