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comparison lisp/version.el @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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children ac2d302a0011
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-1:000000000000 0:376386a54a3c
1 ;; Record version number of Emacs.
2 ;; Copyright (C) 1985, 1991-1994 Free Software Foundation, Inc.
3
4 ;; This file is part of GNU Emacs.
5
6 ;; GNU Emacs is free software; you can redistribute it and/or modify
7 ;; it under the terms of the GNU General Public License as published by
8 ;; the Free Software Foundation; either version 2, or (at your option)
9 ;; any later version.
10
11 ;; GNU Emacs is distributed in the hope that it will be useful,
12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ;; GNU General Public License for more details.
15
16 ;; You should have received a copy of the GNU General Public License
17 ;; along with GNU Emacs; see the file COPYING. If not, write to
18 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
19
20 ;;; Synched up with: FSF 19.30.
21
22 ;;; Code:
23
24 ;; The following line is modified automatically
25 ;; by loading inc-version.el, each time a new Emacs is dumped.
26 (defconst emacs-version "19.14" "\
27 Version numbers of this version of Emacs.")
28
29 (setq emacs-version (purecopy (concat emacs-version " XEmacs Lucid")))
30
31 (defconst emacs-major-version
32 (progn (or (string-match "^[0-9]+" emacs-version)
33 (error "emacs-version unparsable"))
34 (string-to-int (match-string 0 emacs-version)))
35 "Major version number of this version of Emacs, as an integer.
36 Warning, this variable did not exist in Emacs versions earlier than:
37 FSF Emacs: 19.23
38 XEmacs: 19.10")
39
40 (defconst emacs-minor-version
41 (progn (or (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version)
42 (error "emacs-version unparsable"))
43 (string-to-int (match-string 1 emacs-version)))
44 "Minor version number of this version of Emacs, as an integer.
45 Warning, this variable did not exist in Emacs versions earlier than:
46 FSF Emacs: 19.23
47 XEmacs: 19.10")
48
49 (defconst emacs-build-time (current-time-string) "\
50 Time at which Emacs was dumped out.")
51
52 (defconst emacs-build-system (system-name))
53
54 (defun emacs-version (&optional here) "\
55 Return string describing the version of Emacs that is running.
56 If optional argument HERE is non-nil, insert string at point.
57 Don't use this function in programs to choose actions according
58 to the system configuration; look at `system-configuration' instead."
59 (interactive "P")
60 (let ((version-string
61 (format "XEmacs %s [Lucid] (%s) of %s %s on %s"
62 (substring emacs-version 0
63 (string-match " XEmacs" emacs-version))
64 system-configuration
65 (substring emacs-build-time 0
66 (string-match " *[0-9]*:" emacs-build-time))
67 (substring emacs-build-time
68 (string-match "[0-9]*$" emacs-build-time))
69 emacs-build-system)))
70 (if here
71 (insert version-string)
72 (if (interactive-p)
73 (message "%s" version-string)
74 version-string))))
75
76 ;; from emacs-vers.el
77 (defun emacs-version>= (major &optional minor)
78 "Return true if the Emacs version is >= to the given MAJOR and MINOR numbers.
79
80 The MAJOR version number argument is required, but the MINOR version number
81 argument is optional. If the minor version number is not specified (or is the
82 symbol `nil') then only the major version numbers are considered in the test."
83 (if (null minor)
84 (>= emacs-major-version major)
85 (or (> emacs-major-version major)
86 (and (= emacs-major-version major)
87 (>= emacs-minor-version minor))
88 )
89 ))
90
91 ;;; We hope that this alias is easier for people to find.
92 (define-function 'version 'emacs-version)
93
94 ;; Put the emacs version number into the `pure[]' array in a form that
95 ;; `what(1)' can extract from the executable or a core file. We don't
96 ;; actually need this to be pointed to from lisp; pure objects can't
97 ;; be GCed.
98 (or (memq system-type '(vax-vms windows-nt ms-dos))
99 (purecopy (concat "\n@" "(#)" (emacs-version)
100 "\n@" "(#)" "Configuration: "
101 system-configuration "\n")))
102
103 ;;Local variables:
104 ;;version-control: never
105 ;;End:
106
107 ;;; version.el ends here