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bug#27152: deprecation warnings with Guile 2.2.2

From: Maxim Cournoyer
Subject: bug#27152: deprecation warnings with Guile 2.2.2
Date: Fri, 2 Jun 2017 17:39:59 -0700

On Wed, May 31, 2017 at 2:00 PM, Ludovic Courtès <address@hidden> wrote:

Ricardo Wurmus <address@hidden> 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.

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.

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