[debbugs-tracker] bug#11829: closed (Build failure with --enable-gcc-warnings)

[GNU bug Tracking System]

Your message dated Sun, 01 Jul 2012 00:10:41 +0100
with message-id <address@hidden>
and subject line Re: bug#11829: Build failure with --enable-gcc-warnings
has caused the debbugs.gnu.org bug report #11829,
regarding Build failure with --enable-gcc-warnings
to be marked as done.

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-- 
11829: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=11829
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> --- Begin Message ---
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>
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> Subject: 
>
> Build failure with --enable-gcc-warnings
>
>
>
>
> Date: 
>
> Sun, 01 Jul 2012 00:22:22 +0200
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>
>
>
> Trying to build the latest coreutils from master:
>
>   $ make all
>   ...
>     CC       stty.o
>   stty.c: In function 'main':
>   stty.c:740:8: error: variable 'speed_was_set' set but not used 
> [-Werror=unused-but-set-variable]
>   cc1: all warnings being treated as errors
>   make[3]: *** [stty.o] Error 1
>
>   $ uname -rmos
>   Linux 3.3.1-3.fc16.ppc64 ppc64 GNU/Linux
>
>   $ gcc --version
>   gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2)
>   Copyright (C) 2011 Free Software Foundation, Inc.
>   This is free software; see the source for copying conditions.  There is NO
>   warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
> Let me know if you need more information.
>
> Regards,
>   Stefano
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#11829: Build failure with --enable-gcc-warnings
>
>
>
>
> Date: 
>
> Sun, 01 Jul 2012 00:10:41 +0100
>
>
>
>
> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64;	rv:6.0) Gecko/20110816 Thunderbird/6.0
>
>
>
>
> On 06/30/2012 11:22 PM, Stefano Lattarini wrote:
> > Trying to build the latest coreutils from master:
> > 
> >   $ make all
> >   ...
> >     CC       stty.o
> >   stty.c: In function 'main':
> >   stty.c:740:8: error: variable 'speed_was_set' set but not used 
> > [-Werror=unused-but-set-variable]
> >   cc1: all warnings being treated as errors
> >   make[3]: *** [stty.o] Error 1
> > 
> >   $ uname -rmos
> >   Linux 3.3.1-3.fc16.ppc64 ppc64 GNU/Linux
> > 
> >   $ gcc --version
> >   gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2)
> >   Copyright (C) 2011 Free Software Foundation, Inc.
> >   This is free software; see the source for copying conditions.  There is NO
> >   warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> > 
> > Let me know if you need more information.
>
> This should address it:
>
> commit 8f4dcad477da1a952a04478ae125d5453f29dcc9
> Author: Pádraig Brady <address@hidden>
> Date:   Sun Jul 1 00:04:37 2012 +0100
>
>     maint: avoid a -Wunsed-but-set warning on some systems
>
>     * src/stty.c (main): Mark speed_was_set as unused when
>     CIBAUD undefined (like on ppc64 GNU/Linux for example).
>     Reported-by: Stefano Lattarini
>
> diff --git a/src/stty.c b/src/stty.c
> index 83b502c..b2dd849 100644
> --- a/src/stty.c
> +++ b/src/stty.c
> @@ -737,7 +737,11 @@ main (int argc, char **argv)
>    int argi = 0;
>    int opti = 1;
>    bool require_set_attr;
> +#ifdef CIBAUD
>    bool speed_was_set;
> +#else
> +  bool speed_was_set ATTRIBUTE_UNUSED;
> +#endif
>    bool verbose_output;
>    bool recoverable_output;
>    int k;
>
>
>
> --- End Message ---