[LLVMdev] Debugging atom builds?

[Timur Iskhodzhanov]

2013/4/3 Renato Golin <renato.golin at linaro.org>:
> On 3 April 2013 14:59, Timur Iskhodzhanov <timurrrr at google.com> wrote:
>>
>> I'd usually expect tests to work exactly the same way on all platforms.
>> If there are things that must be handled differently on different
>> platforms, I'd expect those to have a separate test for each platform
>> with explicit flags for each of these platforms.
>
>
> You're absolutely right, but the tests don't necessarily follow the accepted
> model.
>
> The main causes of build failure, to my experience are, in order of
> probability:
>
> * Bad tests, testing for order in random output or machine-specific
> behaviour (lib version, etc)
> * Target-specific behaviour on target agnostic tests (as you say, it can be
> easily fixed)
> * autoconf vs. CMake issues
> * bug in LLVM/Clang
>
> What I do is to contact the responsible for the bot and ask him/her to give
> me more info on the failure, so I can start the debug process, and go back
> and forth until the bug is fixed. The owner can be queried on the bot's
> page:
>
> http://lab.llvm.org:8011/buildslaves/atom1-buildbot
That's a great suggestion, thank you!

> cheers,
> --renato