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From: Brendan Tildesley via Bug reports for GNU Guix <bug-guix@gnu.org>
To: "48373@debbugs.gnu.org" <48373@debbugs.gnu.org>
Cc: Christopher Howard <christopher@librehacker.com>
Subject: bug#48373: vice: processor dependency
Date: Wed, 12 May 2021 17:08:06 +0200 (CEST)	[thread overview]
Message-ID: <802557135.259431.1620832086709@office.mailbox.org> (raw)
In-Reply-To: <75ca48e183a530adfab067d3ab703df61d5e919e.camel@librehacker.com>

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I'm curious the guix version would also build differently on your computer.
You can run for example

guix build vice --no-grafts --check

to build it from source and check the difference. if its different, something like

guix gc -D $(guix build --no-grafts vice); guix build --no-substitutes vice

should delete it and built it from source without using the prebuilt binary.
If it's different then its a reproducibility bug. Some packages are actually
intended to be that way, like atlas, and have substitutable? #f set so that
they are always built and tuned to the cpu it's used on.

On my computer, AMD 5700X, the built is identical to the substitute:

b@jiu ~/code/guix [env]$ guix challenge vice

1 store items were analyzed:
- 1 (100.0%) were identical
- 0 (0.0%) differed
- 0 (0.0%) were inconclusive


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  parent reply	other threads:[~2021-05-12 15:09 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-12  2:33 bug#48373: vice: processor dependency? Christopher Howard
2021-05-12 13:44 ` Christopher Howard
2021-05-12 15:08 ` Brendan Tildesley via Bug reports for GNU Guix [this message]
2021-05-12 15:30   ` bug#48373: vice: processor dependency Christopher Howard
2021-05-12 15:38     ` Brendan Tildesley via Bug reports for GNU Guix
2021-05-12 16:21 ` bug#48373: vice: processor dependency? Leo Famulari

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