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From: John Wiegley <jwiegley@gmail.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: Warning on files byte-compiled with different versions
Date: Fri, 19 Feb 2016 18:29:10 -0800	[thread overview]
Message-ID: <m2h9h4nmh5.fsf@newartisans.com> (raw)
In-Reply-To: <jwv7fi78kb4.fsf-monnier+gmane.emacs.devel@gnu.org> (Stefan Monnier's message of "Sun, 14 Feb 2016 09:00:56 -0500")

>>>>> Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> So, the answer is no, AFAICT. Second question, is there any reason why this
>> kind of functionality could not be added?

> Indeed.  The byte-compiler could simply emit

>    `(if (< emacs-major-version ,emacs-major-version)
>         (message "This file was compiled for a more recent Emacs"))

> at the beginning of every file. IIRC we used to do something like that.

I'd personally appreciate having a warning like this, since it would let me
know that part of my environment is not built the way I thought it was.

-- 
John Wiegley                  GPG fingerprint = 4710 CF98 AF9B 327B B80F
http://newartisans.com                          60E1 46C4 BD1A 7AC1 4BA2



      parent reply	other threads:[~2016-02-20  2:29 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-11 14:08 Warning on files byte-compiled with different versions Phillip Lord
2016-02-12 14:09 ` Phillip Lord
2016-02-14 14:00   ` Stefan Monnier
2016-02-14 15:02     ` Andreas Schwab
2016-02-14 17:15       ` Stefan Monnier
2016-02-14 17:29         ` Andreas Schwab
2016-02-20  2:29     ` John Wiegley [this message]

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