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Re: [libvirt] Non-zero constant warning on RHEL 6.1 with 0.9.7



On 12/11/2011, at 8:06 AM, Eric Blake wrote:
> On 11/08/2011 11:46 PM, Justin Clift wrote:
>> Hi guys,
>> 
>> Just checking 0.9.7 on RHEL 6.1 x86_64.  Noticed this when compiling
>> with make -j 3:
>> 
>>    CC     libvirt_lxc-command.o
>>  util/buf.c: In function 'virBufferEscape':
>>  util/buf.c:469: warning: logical '&&' with non-zero constant will always evaluate as true [-Wlogical-op]
>> 
>> Obviously not fatal, but it figured someone might want to keep things warning free. :)
> 
> This is a bug in gcc, although I'm not sure if anyone has raised a bug
> report against the gcc folks yet:
> https://www.redhat.com/archives/libvir-list/2011-October/msg00837.html
> 
> I'm open to suggestions on how to work around it; perhaps we just need
> to disable -Wlogical-op if glibc's headers are turning on the optimized
> strchr (is that -D_FORTIFY_SOURCE that does it?) :(

Hmmmm, we might as well report it, so it gets looked at.

Next question is where?  Upstream gcc, or on the RG BZ as a Fedora15(+?)/RHEL6
specific gcc bug?

Regards and best wishes,

Justin Clift

--
Aeolus Community Manager
http://www.aeolusproject.org




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