From: ludo@gnu.org (Ludovic Courtès)
To: 30155-done@debbugs.gnu.org
Subject: bug#30155: 'bag-transitive-inputs' behaves non-deterministically
Date: Thu, 18 Jan 2018 18:09:09 +0100 [thread overview]
Message-ID: <87h8rj6qmi.fsf@gnu.org> (raw)
In-Reply-To: <87wp0f8lbt.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Thu, 18 Jan 2018 12:20:38 +0100")
ludo@gnu.org (Ludovic Courtès) skribis:
> Notice the “kernel-headers” repetition, which is not in the correct
> build script.
>
> The repetition stems from the traversal done by ‘bag-transitive-inputs’,
> which relies on pointer identity when comparing packages (via the ‘eq?’
> vhash in ‘transitive-inputs’), and for some reason there are two non-eq?
> linux-libre-headers packages encountered here. ‘master’ doesn’t have
> this problem.
This is fixed by 8102cf0b37e100f760d25b500cf91ed38928615c, which makes
sure there’s only one “linux-libre-boot0” package object.
At some point we could change the way ‘transitive-inputs’ checks for
already-visited node, though I think it’d be hard to avoid relying on
eq?-ness.
Ludo’.
prev parent reply other threads:[~2018-01-18 17:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-18 11:20 bug#30155: 'bag-transitive-inputs' behaves non-deterministically Ludovic Courtès
2018-01-18 17:09 ` Ludovic Courtès [this message]
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