[llvm-dev] [Buildbots] - Looking for help with new 32 bit Windows buildbot

[Adrian McCarthy via llvm-dev]

>  building LLVM on Windows with Visual Studio

I do this regularly, so I can probably help figure out some of those
problems.  Buildbot and cloud deployments, however, are outside my
wheelhouse.

We were recently talking about setting up another 64-bit Windows bot as
well, since our current one needs a Cmake update
<https://bugs.llvm.org/show_bug.cgi?id=46755> and we're having trouble
getting access to the existing one.

Adrian.

On Thu, Jul 30, 2020 at 2:32 AM Christian Kühnel via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi folks,
>
> *tl;dr*
> I'm having some trouble setting up a Windows buildbot and I'm looking for
> someone with LLVM-on-Windows experience to help me.
>
> *Long story*
> Hans Wennborg recently pointed
> <http://lists.llvm.org/pipermail/llvm-dev/2020-May/141803.html>out
> <http://lists.llvm.org/pipermail/llvm-dev/2020-May/141803.html>, that
> we're missing a 32 bit Windows buildbot and I wanted to jump in and set one
> up. However running the LLVM builds on Windows proved to be much more
> challenging than on Linux and I'm stumbling from one issue to the next for
> the last weeks. I'm down to about 40 failing tests now with the "clean
> stage" failing permanently.
>
> From my experience so far, there are 3 main problem areas:
>
>    - building LLVM on Windows with Visual Studio
>    - running a Windows buildbot
>    - Running Windows in a cloud environment in a stable, reproducible and
>    maintainable way
>
>
> So I'm looking for someone to help me to debug and fix the buildbot
> <http://lab.llvm.org:8014/builders/clang-x86-ninja-win10?numbuilds=200>and
> get it into a stable state.
>
> Links on the current state and the setup:
>
>    - Builder
>    <http://lab.llvm.org:8014/builders/clang-x86-ninja-win10?numbuilds=200> on
>    staging with current list of failing tests
>    - generic Visual Studio Docker image
>    <https://github.com/llvm/llvm-zorg/tree/master/buildbot/google/docker/windows-base-vscode2019> and
>    the 32bit buildbot Docker image
>    <https://github.com/llvm/llvm-zorg/tree/master/buildbot/google/docker/buildbot-windows10-vs2019>
>    - Deployment
>    <https://github.com/llvm/llvm-zorg/blob/master/buildbot/google/terraform/main.tf>
>    of the container on Google Cloud.
>    - Additional documentation
>    <https://github.com/llvm/llvm-zorg/tree/master/buildbot/google> on the
>    setup
>
>
>
> Best,
> Christian
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