[Nix-dev] Zero Hydra Failures (ZHF) project for NixOS

[Domen Kožar]

Should be fixed in master.

On Sat, Sep 20, 2014 at 12:18 AM, Marco Maggesi <maggesi at math.unifi.it>
wrote:

> Hi,
>
> I would like to give my tiny contribution to ZHF by fixing caml5 version
> 5.15, e.g.
>
> http://hydra.nixos.org/job/nixos/trunk-combined/nixpkgs.ocamlPackages.camlp5_5_strict.x86_64-linux
>
> The problem is that camlp5 version 5.15 is old (kept because it is a
> dependency of matita) and it is not compatible with ocaml 4.xx.
>
> Question: which is the right way to prevent hydra to build camlp5 with
> recent versions of ocaml?
> I suppose that there should be a "standard" approach for this kind of
> problems.  Is it?
>
> I see four choices:
>
> 1. raise an exception with an assert that compares the version of ocaml.
>  (An evaluation error is perhaps better than a compilation error anyway.)
> 2. conditionally add camlp5_old to mkOcamlPackages.
> 3. move camlp5_old out from mkOcamlPackages and compile camlp5_old for
> exactly one version of ocaml (perhaps a good solution in this particular
> case but not in other analogous cases).
> 4. conditionally fill meta.platform in camlp5.
>
> Are there other possibilities?
> Can you suggest which is better?
> This seems to be a common problem (e.g., I have the same problem with the
> blcr linux modules and with the openafs linux modules), I would like to
> know if there is a general accepted strategy for this situation.
>
> Thanks,
> Marco
>
>
> 2014-09-19 19:30 GMT+02:00 Domen Kožar <domen at dev.si>:
>
>> Hi all,
>>
>> during NixOS sprint in Ljubljana I joined the effort to get build
>> failures down to 0 for NixOS.
>>
>> We're current at 135 failing builds (down from 2500 before the sprint)
>> for nixos-combined job.
>>
>> To see last failing builds, check:
>> http://hydra.nixos.org/eval/1152694#tabs-still-fail
>>
>> I'll try to get those down to ~0 during the weekend, I'd like to
>> encourage anyone willing to fix one or two builds to join in to achieve
>> this milestone after a long period of time.
>>
>> Rock on!
>>
>> Domen
>>
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>>
>
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