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From: Andy Wingo <wingo@pobox.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: guile-devel@gnu.org
Subject: Re: Compilation warnings in net_db.c
Date: Sat, 16 Jul 2016 10:53:37 +0200	[thread overview]
Message-ID: <877fcmx8tq.fsf@pobox.com> (raw)
In-Reply-To: <83zipi66ye.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 15 Jul 2016 22:23:53 +0300")

Hi,

On Fri 15 Jul 2016 21:23, Eli Zaretskii <eliz@gnu.org> writes:

> While compiling net_db.c from Guile 2.0.12 with MinGW, I get a bunch
> of warnings such as this one:
>
>    net_db.c:454:20: warning: 'sym_ai_passive' defined but not used [-Wunused-variable]
>     SCM_VARIABLE_INIT (sym_ai_passive, "AI_PASSIVE",
> 		       ^
>    ../libguile/snarf.h:82:29: note: in definition of macro 'SCM_SNARF_HERE'
>     #  define SCM_SNARF_HERE(X) X
> 				^
>    net_db.c:454:1: note: in expansion of macro 'SCM_VARIABLE_INIT'
>     SCM_VARIABLE_INIT (sym_ai_passive, "AI_PASSIVE",
>     ^
>
> AFAICT, these SCM_VARIABLE_INIT calls wind up declaring static
> variables that are not used in net_db.c.  Is that what's supposed to
> happen, or do I need to look more into this?  Do people get these
> warnings on Posix platforms?

Oddly I don't get these warnings, but perhaps I should.  I reworked this
file to not create these variables.  Thanks for the report :)

Andy



  reply	other threads:[~2016-07-16  8:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-15 19:23 Compilation warnings in net_db.c Eli Zaretskii
2016-07-16  8:53 ` Andy Wingo [this message]
2016-07-16 10:30   ` Eli Zaretskii

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