Re: [Buildroot] [PATCH 1/1] support/testing/infra/basetest.py: use Bootlin toolchain bleeding edge 2022.08-1

[Thomas Petazzoni via buildroot <buildroot@buildroot.org>]

On Thu, 30 Mar 2023 13:27:49 +0200
Sebastian Weyer <sebastian.weyer@smile.fr> wrote:

> This patch updates the default toolchain used for runtime tests. The
> last time this toolchain was updated was in commit
> 0207a65323fc73fe9570f3d7e03bbfed4ab6d477 3 years ago. Since then,
> multiple things have changed:
> 
> Firstly, it used uclibc-ng as the libc whereas since commit
> 4057e36ca9665edd5248512e4edba2c243b8f4be, glibc is used as the default
> library.
> 
> And secondly, since commit 531b2a10cda6bae78ecc141c9fe48f2024f71dbc, buildroot
> dropped the support for gcc 8 and it cannot be built internally anymore.
> 
> This new toolchain bleeding edge 2022.08-1 is based on gcc 12.2.0, linux
> headers 5.4.212, glibc 2.35 and binutils 2.39.
> It is now required to add enable BR2_TOOLCHAIN_USES_GLIBC and
> BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC since uclibc-ng is still the
> standard choice when using an external toolchain. If one were to change
> this, it would break the builds for people using a uclibc toolchain with
> a recent version of buildroot. BR2_TOOLCHAIN_EXTERNAL_LOCALE doesn't
> need to be enabled anymore since it is implicit in glibc.
> BR2_TOOLCHAIN_EXTERNAL_INET_RPC needs to be disabled since support has
> been dropped by glibc but it is selected by default when choosing glibc.
> 
> The previous toolchain bleeding edge 2018.11-1 is based on gcc 8.2.0,
> linux headers 4.14.80, uclibc 1.0.30 and binutils 2.31.1
> 
> Tested with gitlab:
> https://gitlab.com/DocSepp/buildroot/-/pipelines/821745386/
> 
> Due to gitlab constraints it's not possible to check all the tests. Most
> of the tests that did not succeed didn't because of such constraints.
> The remaining fails are missing python or perl modules, timeouts because
> the test takes more than 3h, tests.package.test_kexec.TestKexec  is
> executed with a property that is unknown to qemu and several tests use a
> different toolchain.
> 
> I noticed 4 tests, TestPython3Py, TestPython3Pyc, TestPython3PyPyc and
> TestTmux that failed due to locale and libc.so.1 not found errors. I
> verified that they did run with the previous toolchain and subsequently
> introduced changes in their configs so the tests succeed with the new
> toolchain.
> 
> Signed-off-by: Sebastian Weyer <sebastian.weyer@smile.fr>
> ---
>  support/testing/infra/basetest.py            | 10 ++++++----
>  support/testing/tests/package/test_python.py |  2 +-
>  support/testing/tests/package/test_tmux.py   |  1 +
>  3 files changed, 8 insertions(+), 5 deletions(-)

I've marked this patch as Superseded, as you did another iteration that
used the stable Bootlin toolchain, based on the feedback.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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