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From: "Ludovic Courtès" <ludo@gnu.org>
To: Mark H Weaver <mhw@netris.org>
Cc: guix-devel <guix-devel@gnu.org>, maxim.cournoyer@gmail.com
Subject: Re: Dependency cycle issues when using a Gexp-based snippet
Date: Wed, 16 Sep 2020 12:00:43 +0200	[thread overview]
Message-ID: <87zh5qnir8.fsf@gnu.org> (raw)
In-Reply-To: <87mu21cuc3.fsf@netris.org> (Mark H. Weaver's message of "Mon, 07 Sep 2020 14:30:41 -0400")

Hi Mark,

Mark H Weaver <mhw@netris.org> skribis:

> Ludovic Courtès <ludo@gnu.org> writes:
>
>> Indeed: the problem is that when loading this module, we try to resolve
>> one of the variables referenced in the snippet, but that variable is not
>> defined yet because it comes from a module that’s in a dependency circle
>> with the one at hand.
> [...]
>> As Marius noted before, the snippets for ungoogled-chromium and
>> linux-libre are contrived because of this limitation.  (Perhaps we can
>> use ‘delayed’ instead of ‘thunked’.)
>
> I can't speak for ungoogled-chromium, but for Linux-libre and IceCat,
> there's at least one other limitation in snippets that are preventing us
> from using them: the names of the pre- and post-snippet directories must
> be the same.  In the case of IceCat, that would force us to either (1)
> mislabel the upstream firefox source as "icecat", or (2) mislabel the
> transformed icecat source as "firefox".  Ditto for "linux-libre" vs
> "linux".

Good point.  That’s something we can probably address without too much
difficulty on core-updates.

Thanks,
Ludo’.


  reply	other threads:[~2020-09-16 10:01 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-24  2:10 Dependency cycle issues when using a Gexp-based snippet maxim.cournoyer
2020-08-24 21:09 ` Ludovic Courtès
2020-09-02 15:08   ` Maxim Cournoyer
2020-09-07  9:30     ` Ludovic Courtès
2020-09-14 16:55       ` Maxim Cournoyer
2020-09-16 10:08         ` Ludovic Courtès
2020-09-07 18:30   ` Mark H Weaver
2020-09-16 10:00     ` Ludovic Courtès [this message]
2020-09-08  4:07 ` What should "guix build --source" produce? (was Re: Dependency cycle issues when using a Gexp-based snippet) Mark H Weaver
2020-09-08  7:22   ` Andreas Enge
2020-09-11 18:22     ` Maxim Cournoyer
2020-09-11 18:42       ` zimoun
2020-09-11 20:40       ` Andreas Enge
2020-09-11 18:26   ` Maxim Cournoyer

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