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].

GCCVERSION = "arm-9.2"

[1] https://github.com/96boards/meta-rpb/blob/dunfell/conf/distro/include/rpb.inc#L31

-Sumit

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