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Re: Compilation warnings in net_db.c

From: Andy Wingo
Subject: Re: Compilation warnings in net_db.c
Date: Sat, 16 Jul 2016 10:53:37 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)


On Fri 15 Jul 2016 21:23, Eli Zaretskii <address@hidden> 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 :)


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