linux-kernel - Re: [PATCH 5.10 000/132] 5.10.85-rc1 review

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Date:   Thu, 6 Jan 2022 11:16:19 +0100
From:   Pavel Machek <pavel@...x.de>
To:     Daniel Díaz <daniel.diaz@...aro.org>,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org,
        jonathanh@...dia.com, f.fainelli@...il.com, stable@...r.kernel.org
Subject: Re: [PATCH 5.10 000/132] 5.10.85-rc1 review

Hi!

> I wonder if you saw this message of mine the other day.

Seen the message.

> > > > I'm getting a lot of build failures -- missing gmp.h:
> > > >
> > > >   UPD     include/generated/utsrelease.h
> > > > 1317In file included from /builds/hVatwYBy/68/cip-project/cip-testing/linux-stable-rc-ci/gcc/gcc-8.1.0-nolibc/arm-linux-gnueabi/bin/../lib/gcc/arm-linux-gnueabi/8.1.0/plugin/include/gcc-plugin.h:28:0,
> > > > 1318                 from scripts/gcc-plugins/gcc-common.h:7,
> > > > 1319                 from scripts/gcc-plugins/arm_ssp_per_task_plugin.c:3:
> > > > 1320/builds/hVatwYBy/68/cip-project/cip-testing/linux-stable-rc-ci/gcc/gcc-8.1.0-nolibc/arm-linux-gnueabi/bin/../lib/gcc/arm-linux-gnueabi/8.1.0/plugin/include/system.h:687:10: fatal error: gmp.h: No such file or directory
> > > > 1321 #include <gmp.h>
> > > > 1322          ^~~~~~~
> > > > 1323compilation terminated.
> > > > 1324scripts/gcc-plugins/Makefile:47: recipe for target 'scripts/gcc-plugins/arm_ssp_per_task_plugin.so' failed
> > > > 1325
> > > >
> > > > https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/tree/linux-5.10.y
> > >
> > > What gcc plugins are you trying to build with?
> >
> > We saw a similar problem with mainline/next about a year ago, after
> > v5.10 was released. In our case it failed with gmp.h because
> > libmpc-dev was not installed on the host; then libiberty-dev was
> > needed too
> [...]
> 
> We installed libgmp-dev, libmpc-dev and libiberty-dev. That generally
> helps. FWIW, this is needed for 5.11+.

Yep, but I'm not the one that can do the installation, our q&a team
does that. They are aware of the problem now, but it may take a while
to solve due to holidays etc.

I believe -stable team should be more conservative and should not
introduce regressions like this.

Best regards,
								Pavel
-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

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