Re: dunfell gcc-sanitizers-arm-8.3 fails to build

From: "Ryan Harkin" <ryan.harkin@linaro.org>
To: Sumit Garg <sumit.garg@linaro.org>
Cc: yocto@lists.yoctoproject.org,
	Ralph Siemsen <ralph.siemsen@linaro.org>,
	 Jon Mason <Jon.Mason@arm.com>,
	Nicolas Dechesne <nicolas.dechesne@linaro.org>,
	 openembedded <openembedded@lists.linaro.org>
Subject: Re: dunfell gcc-sanitizers-arm-8.3 fails to build
Date: Sat, 1 Aug 2020 10:11:51 +0100	[thread overview]
Message-ID: <CAD0U-hL-WUH-Sah5RPnPuEbYHyYpTdyTPRD1XD=f-U7MmbNROQ@mail.gmail.com> (raw)
In-Reply-To: <CAFA6WYPFfFyygzBc3enjDkr6bLeqeDau75iJ=2e8dju8cf7rzQ@mail.gmail.com>

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Hi Sumit,

On Sat, 1 Aug 2020, 07:51 Sumit Garg, <sumit.garg@linaro.org> wrote:

> Hi Ryan,
>
> On Fri, 31 Jul 2020 at 21:05, Ryan Harkin <ryan.harkin@linaro.org> wrote:
> >
> > Hello,
> >
> > I'm migrating from Warrior to Dunfell and I'm getting a curious build
> failure in gcc-sanitizers.
> >
> > Here's the full gory detail:
> >     https://pastebin.ubuntu.com/p/nh4cDKMvgS/
> >
> > However, the main error is this:
> >
> > | In file included from
> ../../../../../../../../../work-shared/gcc-arm-8.3-r2019.03/git/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc:193:
> > |
> ../../../../../../../../../work-shared/gcc-arm-8.3-r2019.03/git/libsanitizer/sanitizer_common/sanitizer_internal_defs.h:317:72:
> error: size of array 'assertion_failed__1152' is negative
> > |      typedef char IMPL_PASTE(assertion_failed_##_,
> line)[2*(int)(pred)-1]
> >
> > I have no idea where to begin with this. I don't even know why
> gcc-sanitizers is included in the build, what it does, or why I need it.
> I'm building an image with dev packages and gcc, so I guess that's why.
> >
> > I've hacked meta-arm to patch sanitizer_platform_limits_posix.cc to null
> out the macros and that builds fine. I'm sure it won't work, should someone
> want to use it, mind you.
> >
> > Is there something obvious that I should be doing as part of a Warrior
> -> Dunfell migration to get this to work?
>
> I would suggest you to switch to GCC 9.2 Arm toolchain for Dunfell.
> RPB does the same [1].
>

I can do that, I have no reason to use 8.3 other than it's the default. Is
my problem a known issue with 8.3, or is moving to 9.2 a general suggestion?

> GCCVERSION = "arm-9.2"
>
> [1]
> https://github.com/96boards/meta-rpb/blob/dunfell/conf/distro/include/rpb.inc#L31

Thanks for the pointer.

>
> -Sumit
>
> >
> > note: Warrior used meta-linaro-toolchain and for Dunfell, it's moved to
> meta-arm-toolchain.
> >
> > Regards,
> > Ryan.
>

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