Re: [PATCH 3/4] ci: Include de0-nano-soc target into fast build

[Jan Kiszka <jan.kiszka@siemens.com>]

On 18.02.19 11:18, Henning Schild wrote:
> Am Fri, 15 Feb 2019 08:20:19 +0100
> schrieb "[ext] Jan Kiszka" <jan.kiszka@siemens.com>:
> 
>> On 14.02.19 17:08, Maxim Yu. Osipov wrote:
>>> Note: So far de0-nano-soc build is launched separately as
>>> parallel build with the same target arch (qemuarm) fails.
>>
>> jailhouse-images builds multiple images out of the same arch for
>> quite a while now. You may want to cross-check and adopt the patterns
>> there.
>>
>> Even if unrelated to this issue: A proper multiconfig file only
>> contains two assignments: MACHINE and DISTRO. This should be
>> eventually cleaned up in meta-isar so that user do not copy the wrong
>> patterns.
> 
> It is most likely false-sharing on multiconfig. Now if we look for
> "[stamp-extra-info]" in the source-tree we will find several
> combinations.
> 
> "${DISTRO}-${DISTRO_ARCH}"
> "${DISTRO}-${MACHINE}"
> "${MACHINE}-${DISTRO}"
> "${DISTRO}"
> 

There are likely broken stamps. We should sort them according to differentiating 
variables into subfolders, like oe does. And we should review the tagging at 
that chance, if there are no false sharings hidden.

> And possibly several tasks that should have an extra-stamp but do not.
> Avoiding multiconfig is a very good idea, not just for CI ;).

This remains wrong, even if you repeat it. It's not perfect, but it works in 
practice, solving way more problems than it introduces. But it remains an expert 
feature that should be advertised as such.

Jan

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