From: Lukasz Majewski <lukma@denx.de>
To: Joseph Myers <joseph@codesourcery.com>
Cc: Florian Weimer <fweimer@redhat.com>,
Andreas Schwab <schwab@suse.de>,
GNU C Library <libc-alpha@sourceware.org>,
Alistair Francis <alistair.francis@wdc.com>
Subject: Re: [PATCH v2 6/7] y2038: linux: Provide __ntp_gettime64 implementation
Date: Thu, 21 May 2020 12:31:11 +0200 [thread overview]
Message-ID: <20200521123111.49ba6319@jawa> (raw)
In-Reply-To: <alpine.DEB.2.21.2005201717530.20552@digraph.polyomino.org.uk>
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Hi Joseph,
> On Wed, 20 May 2020, Lukasz Majewski wrote:
>
> > I'm wondering if those archs use different set of gcc switches for
> > compilation?
>
> No. But there are various architecture-specific aspects to
> optimization that may result in warnings showing up on only some
> architectures.
>
> Florian has fixed this bug.
>
> > And another question (I think related) - after updating the the
> > glibc -master (there was a switch to gcc 10 for
> > build-many-glibc.py) I do have an issue with "check-compilers" task
> > on those archs.
>
> A check-compilers failure simply means that one of the tasks from the
> "compilers" run failed.
>
> In general, if you did a "compilers" run when the build was broken,
> you will have an incomplete set of compilers that isn't good for
> testing subsequent glibc changes and will need to rerun "compilers"
> with the source trees in an unbroken state.
Yes, you are 100% correct. That was the case - I wanted to rebuild
compilers after update to gcc 10 for build-many-glibc.py.
As a result I used the broken glibc for building compilers.
Thanks for explanation.
>
> > Joseph, do you use updated setup?
>
> My bots using GCC release branches only rebuild "compilers" once a
> week. That means a short-lived glibc build breakage is likely to show
> up as a failure in "glibcs" rather than "compilers" (but if the build
> is broken at the wrong time, when "compilers" runs, the "glibcs"
> builds will be using the broken compilers for a week).
>
> My bot using GCC master rebuilds the compilers every time (but only
> runs once a day, whereas the ones using GCC release branches will run
> more frequently if there are new glibc changes to test).
>
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de
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next prev parent reply other threads:[~2020-05-21 10:31 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-08 14:56 [PATCH v2 0/7] y2038: Convert clock_adjtime related syscalls to support 64 bit time Lukasz Majewski
2020-05-08 14:56 ` [PATCH v2 1/7] y2038: linux: Provide __clock_adjtime64 implementation Lukasz Majewski
2020-05-15 10:03 ` Lukasz Majewski
2020-05-19 19:07 ` Adhemerval Zanella via Libc-alpha
2020-05-19 19:58 ` Lukasz Majewski
2020-05-08 14:56 ` [PATCH v2 2/7] y2038: linux: Provide ___adjtimex64 implementation Lukasz Majewski
2020-05-08 14:56 ` [PATCH v2 3/7] y2038: linux: Provide __adjtime64 implementation Lukasz Majewski
2020-05-08 14:56 ` [PATCH v2 4/7] y2038: Introduce struct __ntptimeval64 - new internal glibc type Lukasz Majewski
2020-05-19 19:10 ` Adhemerval Zanella via Libc-alpha
2020-05-08 14:56 ` [PATCH v2 5/7] y2038: Provide conversion helpers for struct __ntptimeval64 Lukasz Majewski
2020-05-19 19:12 ` Adhemerval Zanella via Libc-alpha
2020-05-08 14:56 ` [PATCH v2 6/7] y2038: linux: Provide __ntp_gettime64 implementation Lukasz Majewski
2020-05-19 19:18 ` Adhemerval Zanella via Libc-alpha
2020-05-19 20:20 ` Lukasz Majewski
2020-05-19 20:25 ` Adhemerval Zanella via Libc-alpha
2020-05-20 15:23 ` Joseph Myers
2020-05-20 17:08 ` Lukasz Majewski
2020-05-20 17:21 ` Joseph Myers
2020-05-21 10:31 ` Lukasz Majewski [this message]
2020-05-08 14:56 ` [PATCH v2 7/7] y2038: linux: Provide __ntp_gettimex64 implementation Lukasz Majewski
2020-05-19 19:19 ` Adhemerval Zanella via Libc-alpha
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