[SIP] Warning message when building the dev-python/sip-4.19.8 Gentoo package

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[SIP] Warning message when building the dev-python/sip-4.19.8 Gentoo package

Francesco Turco
Hello.

This is a bug report for SIP.

My GNU/Linux distribution is Gentoo Linux.

The Portage package manager reports the following warning message when
building dev-python/sip-4.19.8:

> QA Notice: Package triggers severe warnings which indicate that it
>            may exhibit random runtime failures.
> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:474:5:
warning: dereferencing type-punned pointer will break strict-aliasing rules [-
Wstrict-aliasing]
> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:
502:13: warning: dereferencing type-punned pointer will break strict-aliasing
rules [-Wstrict-aliasing]
> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:526:5:
warning: dereferencing type-punned pointer will break strict-aliasing rules [-
Wstrict-aliasing]
> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:
646:17: warning: dereferencing type-punned pointer will break strict-aliasing
rules [-Wstrict-aliasing]
>
> Please do not file a Gentoo bug and instead report the above QA
> issues directly to the upstream developers of this software.
> Homepage: https://www.riverbankcomputing.com/software/sip/intro

I'm using GCC 7.3.0.

--
https://fturco.gitlab.com/
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Re: [SIP] Warning message when building the dev-python/sip-4.19.8 Gentoo package

Phil Thompson-5
On 26/06/2018 17:51, Francesco Turco wrote:

> Hello.
>
> This is a bug report for SIP.
>
> My GNU/Linux distribution is Gentoo Linux.
>
> The Portage package manager reports the following warning message when
> building dev-python/sip-4.19.8:
>
>> QA Notice: Package triggers severe warnings which indicate that it
>>            may exhibit random runtime failures.
>> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:474:5:
> warning: dereferencing type-punned pointer will break strict-aliasing
> rules [-
> Wstrict-aliasing]
>> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:
> 502:13: warning: dereferencing type-punned pointer will break
> strict-aliasing
> rules [-Wstrict-aliasing]
>> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:526:5:
> warning: dereferencing type-punned pointer will break strict-aliasing
> rules [-
> Wstrict-aliasing]
>> /var/tmp/portage/dev-python/sip-4.19.8/work/sip-4.19.8/siplib/qtlib.c:
> 646:17: warning: dereferencing type-punned pointer will break
> strict-aliasing
> rules [-Wstrict-aliasing]
>>
>> Please do not file a Gentoo bug and instead report the above QA
>> issues directly to the upstream developers of this software.
>> Homepage: https://www.riverbankcomputing.com/software/sip/intro
>
> I'm using GCC 7.3.0.

You can ignore the warning. That code will be going soon anyway.

Phil

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