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Re: bug#47615: [PATCH 1/9] gnu: bootstrap: Add support for powerpc-linux
From: |
Ludovic Courtès |
Subject: |
Re: bug#47615: [PATCH 1/9] gnu: bootstrap: Add support for powerpc-linux. |
Date: |
Thu, 06 May 2021 18:35:08 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hi Chris,
Chris Marusich <cmmarusich@gmail.com> skribis:
> Chris Marusich <cmmarusich@gmail.com> writes:
>
>> Efraim Flashner <efraim@flashner.co.il> writes:
>>
>>> On 923bb70a1bff657125c3008f119a477e5cb57c2b
>>> gnu:glibc-for-bootstrap: Fix patch.
>>>
>>> Run
>>> ./pre-inst-env guix build --target=powerpc-linux-gnu bootstrap-tarballs
> g>>
>>> Producing
>>>
>>> /gnu/store/dyj1wvayyp1ihaknkxniz1xamcf4yrhl-bootstrap-tarballs-0
>>>
>>> With guix hash -rx
>>> /gnu/store/dyj1wvayyp1ihaknkxniz1xamcf4yrhl-bootstrap-tarballs-0
>>>
>>> 02xx2ydj28pwv3vflqffinpq1icj09gzi9icm8j4bwc4lca9irxn
>>
>> Generally speaking, this patch looks fine to me. Just curious, what
>> sort of machines does one use for 32-bit powerpc?
>>
>> I want to build the bootstrap binaries, see if they're reproducible (in
>> particular GCC, which I suspect won't be), and verify the hashes.
>>
>> It might take a few days to do that, but I'll update this thread once
>> I've done it.
>
> I repeated Efraim's steps on two different x86_64-linux Guix System
> machines. In both cases, it produced exactly the same hash. Therefore,
> it would seem these bootstrap binaries are actually reproducible.
This is great news, thanks for checking!
With this, we can be more confident uploading the binary seeds to
ftp.gnu.org.
> I was surprised by this because of my experience with bug 41669. I
> expected GCC to not be reproducible, but in this case it seems
> reproducible.
Yes, that’s weird, but it’s better this way. :-)
Thanks,
Ludo’.