GNU bug report logs - #4568
version test in .elc files is too complicated

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Package: emacs;

Reported by: Dan Nicolaescu <dann <at> ics.uci.edu>

Date: Mon, 28 Sep 2009 02:20:04 UTC

Severity: minor

Done: Dan Nicolaescu <dann <at> ics.uci.edu>

Bug is archived. No further changes may be made.

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Message #3 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Dan Nicolaescu <dann <at> ics.uci.edu>
To: bug-gnu-emacs <bug-gnu-emacs <at> gnu.org>
Subject: version test in .elc files is too complicated
Date: Sun, 27 Sep 2009 19:10:11 -0700 (PDT)

The version test in all the .elc files is too complicated:

(if (and (boundp 'emacs-version)
         (< (aref emacs-version (1- (length emacs-version))) ?A)
         (or (and (boundp 'epoch::version) epoch::version)
           (string-lessp emacs-version "19.29")))
    (error "`vc-hooks.el' was compiled for Emacs 19.29 or later"))

if anyone still runs epoch (very doubtful), there are many other things
that will fail when trying to run emacs-23 byte compiled code.

This was discussed on emacs-devel some time ago (can't find the link at
the moment), but nothing happened.

IMVHO a single condition based on emacs-major-version should be enough.
This bug report was last modified 15 years and 225 days ago.

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