[PATCH RFC next 02/18] CI: pass clang HOSTCC and CC to pytest

[Simon Glass]

Hi Quentin,

On 2026-05-04T13:20:27, Quentin Schulz <foss+uboot at 0leil.net> wrote:
> CI: pass clang HOSTCC and CC to pytest
>
> test_env_initial_env_file test calls make on the build directory passed
> with --build-dir parameter which points at UBOOT_TRAVIS_BUILD_DIR which
> is populated with buildman before pytest is run. For "sandbox with clang
> test.py" and "sandbox64 with clang test.py" jobs, buildman uses clang-20
> toolchain, but pytest isn't configured to use that as well, resulting in
> gcc being used with a configuration made with clang-20 toolchain.
>
> Specify the HOSTCC and CC clang make arguments so pytest uses the proper
> toolchain, this will be required in a few commits when we'll upgrade to
> a newer version of scripts/Makefile.extrawarn which gets rid of checking
> whether a clang flag exists (because it's supported by the min clang
> version the kernel advertises as being supported) which will be an issue
> since GCC for sure doesn't support all clang flags.
>
> Signed-off-by: Quentin Schulz <quentin.schulz at cherry.de>
>
> .gitlab-ci.yml | 2 ++
>  1 file changed, 2 insertions(+)

> diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
> @@ -288,6 +288,7 @@ sandbox with clang test.py:
>      - ${HOST}
>    variables:
>      TEST_PY_BD: 'sandbox'
> +    TEST_PY_EXTRA: "--make-args HOSTCC=clang-20 --make-args CC=clang-20"
>      OVERRIDE: "-O clang-20"
>      # addr2line in Ubuntu 'Noble' and later are broken.
>      TEST_PY_TEST_SPEC: "not event_dump"
> @@ -313,6 +314,7 @@ sandbox64 with clang test.py:
>      - ${HOST}
>    variables:
>      TEST_PY_BD: 'sandbox64'
> +    TEST_PY_EXTRA: "--make-args HOSTCC=clang-20 --make-args CC=clang-20"
>      OVERRIDE: "-O clang-20"

Reviewed-by: Simon Glass <sjg at chromium.org>