No longer include timestamp in header of .elc files

This removes needless differences between files compiled at different
times or by different people, or from sources in different locations.
Ref: http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00187.html

* lisp/emacs-lisp/bytecomp.el (byte-compile-insert-header):
No longer include timestamp etc information.

* etc/NEWS: Mention this.

diff --git a/etc/NEWS b/etc/NEWS
index 8f64aa6e7eeb58ef397d68eb8ded1eec89aa6482..83913bf88b84f2838fd32ae52e916888c4b28ea5 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -75,6 +75,8 @@ Available only on X, this option allows to control over-scrolling
 using the scroll bar (i.e. dragging the thumb down even when the end
 of the buffer is visible).
 
+** In compiled Lisp files, the header no longer includes a timestamp.
+
 \f
 * Editing Changes in Emacs 24.4
 

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 2f625deedc6f1f93a5d4f7f896a7afa491cb5b6f..07a5bb9231d95cb860c4107d1128dbfd17a95f7e 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2013-04-20  Glenn Morris  <rgm@gnu.org>
+
+       * emacs-lisp/bytecomp.el (byte-compile-insert-header):
+       No longer include timestamp etc information.
+
 2013-04-20  Roland Winkler  <winkler@gnu.org>
 
        * faces.el (read-face-name): Bug fix, return just one face if arg

diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
index 5db1793a4077fe46e7007fd6d6b610656bb42f0c..755d5f716d3a2be7d38930146c2f44fa90280769 100644 (file)
--- a/lisp/emacs-lisp/bytecomp.el
+++ b/lisp/emacs-lisp/bytecomp.el
@@ -1997,11 +1997,7 @@ Call from the source buffer."
       ;; >4    byte            x               version %d
       (insert
        ";ELC" 23 "\000\000\000\n"
-       ";;; Compiled by "
-       (or (and (boundp 'user-mail-address) user-mail-address)
-          (concat (user-login-name) "@" (system-name)))
-       " on " (current-time-string) "\n"
-       ";;; from file " filename "\n"
+       ";;; Compiled\n"
        ";;; in Emacs version " emacs-version "\n"
        ";;; with"
        (cond