[Reproducible-builds] [U-Boot] [PATCH] build: create time and date independent binary
holger at layer-acht.org
Sat Jun 13 09:10:10 UTC 2015
thanks for contacting us!
On Freitag, 12. Juni 2015, Paul Kocialkowski wrote:
> I think a bit more is needed to get truly reproducible builds in U-Boot,
> but this is a first good step!
you've seen https://reproducible.debian.net/u-boot ?
> I have been thinking about bringing reproducible builds to U-Boot for a
> little while, but never got around actually doing it. Are you interested
> in helping me on that? I have some free time these days, so I could do
> some work on this.
> It would certainly be relevant to get in touch with the people working
> on reproducing builds for Debian (I know Lunar is involved with this),
> since Debian packages U-Boot for many devices and they're apparently
> willing to help upstream with automated tests, as they're doing with
> coreboot and OpenWRT!
we're definitly happy to help!
that said, I'm not sure I want to treat uboot like openwrt or coreboot, simply
because uboot is packaged for several distributions, so (in my maybe naive
assumptions) it should be tested within those distros.
coreboot is really exceptional here, as it doesn't make much sense to package
it as part of a distro. (though this could also change, at least sources could
but maybe you can explain why u-boot needs more reproducibility testing than
what there currently is. i'm definitly interested and not opposed, even though
I think there shoukd be good reasons to treat some software specially.
(also please note that we currently only have amd64 hw to run our tests on.)
In a similar way I have for now decided that I'm not interested in adding
tests of libreboot, as it's basically just a fork of coreboot, so the
reproducibility issues should be the same. OTOH libreboot releases images
(which coreboot doesnt do) so that might become interesting to validate. But
there I think that the validation should be done as part of that project
(=libreboot), and not as part of reproducible.debian.net, which I mostly see
as a.) effort to test and push Debians reproducibility effort and b.) show
that this is possible for other distros too - but I think in long term that
should move to a setup located+maintained at those other distros. (because we
lack the *human*power to look after too/so many things...)
(And really, testing on reproducible.debian.net is not enough, it's just the
first step: now we know that coreboot is 100% reproducible, now what? This
"what" needs to happen on the coreboot side...)
So it's not (so much or maybe at all) a question of hardware ressources, which
we can scale up rather easily, but mostly human ressources maintaining the
hw+sw *and* translating this into meaningful action for the project tested.
All this said, if you send me patches, I will probably deploy them as I'm very
curious and more reproducibility efforts are good :-) We can can always decide
to remove or move them later.
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