From: "Michał Górny" <mgorny@gentoo.org>
To: gentoo-pms@lists.gentoo.org
Subject: Re: [gentoo-pms] [PATCH] Ban empty groups in dependency specifications.
Date: Mon, 02 Oct 2017 18:45:30 +0200 [thread overview]
Message-ID: <1506962730.9979.1.camel@gentoo.org> (raw)
In-Reply-To: <22941.49918.450542.907616@a1i15.kph.uni-mainz.de>
W dniu śro, 23.08.2017 o godzinie 19∶48 +0200, użytkownik Ulrich Müller
napisał:
> The specification for empty groups was originally added to match
> historical Portage behaviour, but deviates from the usual convention
> that empty OR operations should evaluate to false.
>
> However, Portage was changed in 2011 to treat empty dependency groups
> as an error, therefore ebuilds cannot rely on any definite behaviour.
> Consequently, empty groups are not used by any ebuild or eclass in the
> Gentoo repository.
>
> This is an retroactive change for all EAPIs.
>
> Bug: 370565
>
We've established (some time ago) that this doesn't correctly account
for empty groups resulting from eliminating USE conditionals from any-of
dependencies. I will send an updated version of Ulrich's patch in a few
minutes.
--
Best regards,
Michał Górny
next prev parent reply other threads:[~2017-10-02 16:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-23 17:48 [gentoo-pms] [PATCH] Ban empty groups in dependency specifications Ulrich Müller
2017-10-02 16:45 ` Michał Górny [this message]
-- strict thread matches above, loose matches on Subject: below --
2017-10-02 16:52 Michał Górny
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