GNU bug report logs - #27152
deprecation warnings with Guile 2.2.2

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Mark H Weaver <mhw <at> netris.org>
Cc: Ludovic Courtès <ludo <at> gnu.org>, 27152 <at> debbugs.gnu.org
Subject: bug#27152: deprecation warnings with Guile 2.2.2
Date: Fri, 02 Jun 2017 21:43:05 -0700

Hi Mark,

Mark H Weaver <mhw <at> netris.org> writes:

> Maxim Cournoyer <maxim.cournoyer <at> gmail.com> writes:
>
>> On Wed, May 31, 2017 at 2:00 PM, Ludovic Courtès <ludo <at> gnu.org> wrote:
>>
>>  Ricardo Wurmus <rekado <at> elephly.net> skribis:
>>
>>  > I get a couple of deprecation warnings with Guile 2.2.2, for example
>>  >
>>  > Import (ice-9 threads) to have access to `current-processor-count'.
>>  > `_IOFBF' is deprecated. Use the symbol 'block instead.
>>
>>  We can fix the first one with #:use-module (ice-9 threads).
>>
>>  The second one is just a pain: in 2.2 one is supposed to write
>>
>>  (setvbuf port 'block)
>>
>>  instead of
>>
>>  (setvbuf port _IOFBF)
>>
>>  So we could do:
>>
>>  (cond-expand (guile-2.2 (define _IOFBF 'block))
>>  (else #t))
>>
>>  in some central place (that doesn’t exist), but really, that’s annoying.
>>
>>  So I’m tempted to do nothing.
>>
>>  Note that normally users do not see these deprecation warnings at all.
>>
>>  Thoughts?
>>
>> Why not let good old sed have a run at it? Seems like a simple find and replace operation, and 'block looks nicer than _IOFBF to my eyes.
>
> If we did that, then Guix would stop working with guile-2.0.  Given that
> guile-2.2 is not yet available from many popular distros, I think it
> would be unwise to drop guile-2.0 at this time.

Isn't Guile included in the Guix binary releases? I would have thought
so. Otherwise, I just tried "guix pack guile <at> 2.2" and the resulting
archive is 40 MiB.

I'm not saying it's worth it, but it's an option.

Maxim

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