Don't require `emu'.

(emacs-major-version): New variable [for old emacsen].
(emacs-minor-version): New variable [for old emacsen].

diff --git a/install.el b/install.el
index 8c3f49b..04bc553 100644 (file)
--- a/install.el
+++ b/install.el
@@ -28,9 +28,21 @@
 ;; for historical reason, we do (require 'emu) in this file.
 ;; but you should do (require 'emu) explicitly if you use functions and/or
 ;; variables defined in emu module.
-(require 'emu)
+;;(require 'emu)
 (require 'path-util)                   ; default-load-path
 
+(defvar emacs-major-version (string-to-int emacs-version)
+  "Major version number of this version of Emacs.
+This variable first existed in version 19.23.")
+
+(defvar emacs-minor-version
+  (string-to-int
+   (substring emacs-version
+             (string-match (format "%d\\." emacs-major-version)
+                           emacs-version)))
+  "Minor version number of this version of Emacs.
+This variable first existed in version 19.23.")
+
 ;; verbatim copy of `defun-maybe' from poe.el, and
 ;; `make-directory-internal' and `make-directory' from poe-18.el
 (defmacro defun-maybe (name &rest everything-else)