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- ;; Record version number of Emacs.
- ;; Copyright (C) 1985, 1991-1994 Free Software Foundation, Inc.
-
- ;; This file is part of XEmacs.
-
- ;; XEmacs 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 2, or (at your option)
- ;; any later version.
-
- ;; XEmacs 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; see the file COPYING. If not, write to the
- ;; Free Software Foundation Inc., 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Synched up with: FSF 19.34.
-
- ;;; Code:
-
- ;;(defconst emacs-version "20.3"
- ;; "Version numbers of this version of XEmacs.")
-
- ;;(defconst xemacs-codename "Copenhagen"
- ;; "Release nickname, primarily useful for trial prereleases.
- ;;Warning, this variable did not exist in XEmacs versions prior to 20.3")
-
- ;;(defconst xemacs-betaname "(beta8)"
- ;; "Non-nil when this is a test (beta) version of XEmacs.
- ;;Warning, this variable did not exist in XEmacs versions prior to 20.3")
-
- (defconst xemacs-betaname
- (and emacs-beta-version (format "(beta%d)" emacs-beta-version))
- "Non-nil when this is a test (beta) version of XEmacs.
- Warning, this variable did not exist in XEmacs versions prior to 20.3")
-
- (defconst emacs-version
- (purecopy
- (format "%d.%d %s%s%s"
- emacs-major-version
- emacs-minor-version
- (if xemacs-codename
- (concat "\"" xemacs-codename "\"")
- "")
- (concat " XEmacs "
- (if (not (featurep 'infodock))
- " Lucid"
- ""))
- (if xemacs-betaname
- (concat " " xemacs-betaname)
- "")))
- "Version numbers of this version of XEmacs.")
-
- ;; Moved to C code as of XEmacs 20.3
- ;(defconst emacs-major-version
- ; (progn (or (string-match "^[0-9]+" emacs-version)
- ; (error "emacs-version unparsable"))
- ; (string-to-int (match-string 0 emacs-version)))
- ; "Major version number of this version of Emacs, as an integer.
- ;Warning, this variable did not exist in Emacs versions earlier than:
- ; FSF Emacs: 19.23
- ; XEmacs: 19.10")
-
- ;; Moved to C code as of XEmacs 20.3
- ;(defconst emacs-minor-version
- ; (progn (or (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version)
- ; (error "emacs-version unparsable"))
- ; (string-to-int (match-string 1 emacs-version)))
- ; "Minor version number of this version of Emacs, as an integer.
- ;Warning, this variable did not exist in Emacs versions earlier than:
- ; FSF Emacs: 19.23
- ; XEmacs: 19.10")
-
- (defconst emacs-build-time (current-time-string)
- "Time at which Emacs was dumped out.")
-
- (defconst emacs-build-system (system-name))
-
- (defun emacs-version (&optional arg)
- "Return string describing the version of Emacs that is running.
- When called interactively with a prefix argument, 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")
- (save-match-data
- (let ((version-string
- (format
- "XEmacs %s %s(%s%s) of %s %s on %s"
- (substring emacs-version 0 (string-match " XEmacs" emacs-version))
- (if (not (featurep 'infodock))
- "[Lucid] "
- "")
- system-configuration
- (cond ((or (and (fboundp 'featurep)
- (featurep 'mule))
- (memq 'mule features)) ", Mule")
- (t ""))
- (substring emacs-build-time 0
- (string-match " *[0-9]*:" emacs-build-time))
- (substring emacs-build-time
- (string-match "[0-9]*$" emacs-build-time))
- emacs-build-system)))
- (cond
- ((null arg) version-string)
- ((eq arg 1) (message "%s" version-string))
- (t (insert version-string))))))
-
- ;; from emacs-vers.el
- (defun emacs-version>= (major &optional minor)
- "Return true if the Emacs version is >= to the given MAJOR and MINOR numbers.
- The MAJOR version number argument is required, but the MINOR version number
- argument is optional. If the minor version number is not specified (or is the
- symbol `nil') then only the major version numbers are considered in the test."
- (if (null minor)
- (>= emacs-major-version major)
- (or (> emacs-major-version major)
- (and (= emacs-major-version major)
- (>= emacs-minor-version minor)))))
-
- ;;; We hope that this alias is easier for people to find.
- (define-function 'version 'emacs-version)
-
- ;; Put the emacs version number into the `pure[]' array in a form that
- ;; `what(1)' can extract from the executable or a core file. We don't
- ;; actually need this to be pointed to from lisp; pure objects can't
- ;; be GCed.
- (or (memq system-type '(vax-vms windows-nt ms-dos))
- (purecopy (concat "\n@" "(#)" (emacs-version)
- "\n@" "(#)" "Configuration: "
- system-configuration "\n")))
-
- ;;Local variables:
- ;;version-control: never
- ;;End:
-
- ;;; version.el ends here
-