Re: [PATCH v9 31/31] tests/docker: Add gentoo-loongarch64-cross image and run cross builds in GitLab

[Philippe Mathieu-Daudé]

On 12/14/21 09:01, WANG Xuerui wrote:
> Normally this would be based on qemu/debian10 or qemu/ubuntu2004, but
> after a week-long struggle, I still cannot build stage2 gcc with the
> known-good LoongArch toolchain sources, so I chose the least-resistance
> path with Gentoo as base image. As this image is not expected to be
> re-built by CI, like hexagon, it should not take much maintenance
> effort; also it's expected to be replaced as soon as Debian is
> available.
> 
> As the LoongArch target has not been merged yet, a check-tcg job is not
> added at the moment, but cross builds with the TCG port are already
> possible, and added to CI matrix.
> 
> Due to constant flux of the toolchain sources used (especially that of
> glibc), the binaries built with this image could currently segfault when
> run on actual hardware. This image is expected to be updated once a
> known-good combination is again verified.
> 
> As a reference, the image takes about 27 minutes to rebuild on a
> Threadripper 3990X system with Docker operating on HDD; YMMV but it
> probably wouldn't become significantly shorter, as everything needs to
> be built from source in our case.
> 
> Signed-off-by: WANG Xuerui <git@xen0n.name>
> ---
>  .gitlab-ci.d/container-cross.yml              |  27 ++++
>  .gitlab-ci.d/crossbuilds.yml                  |  19 +++
>  MAINTAINERS                                   |   2 +
>  tests/docker/Makefile.include                 |  21 +++
>  .../gentoo-loongarch64-cross.docker           |  19 +++
>  .../build-toolchain.sh                        | 125 ++++++++++++++++++
>  6 files changed, 213 insertions(+)
>  create mode 100644 tests/docker/dockerfiles/gentoo-loongarch64-cross.docker
>  create mode 100755 
> tests/docker/dockerfiles/gentoo-loongarch64-cross.docker.d/build-toolchain.sh

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>