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To: gentoo-pms@g.o
From: Petteri Räty <betelgeuse@g.o>
Subject: Re: Clarification of has_version cat/pkg[use=] behavior for EAPI 3 or 4
Date: Sat, 12 Sep 2009 21:13:06 +0300
Ciaran McCreesh wrote:
> On Sat, 12 Sep 2009 20:41:59 +0300
> Petteri Räty <betelgeuse@g.o> wrote:
>> Currently Portage does not work with has_version cat/pkg[use=]. I
>> filed a bug about this:
>> https://bugs.gentoo.org/show_bug.cgi?id=284715
>>
>> Portage current behavior:
>> 17:38 <@zmedico> Betelgeuse: quick test seems to show always true if 
>> it's in IUSE
>>
>> I see a couple course of possible actions:
>> 1. Current PMS already implies this behavior and Portage is buggy.
>> Let's document this explicitly for EAPI 3 and have Portage fixed so
>> using EAPI 3 makes sure this syntax works.
> 
> The wording is "The flag must be enabled if the flag is enabled for the
> package with the dependency, or disabled otherwise.".
> 
> The question then is whether that applies only to *DEPEND, or whether
> it's to anywhere where there's a "package with the dependency". Given
> that the section that specifies it isn't limited to *DEPEND, but
> describes dependency specifications in general, I'd say that PMS
> requires it to be supported.
> 
> Having said that, it's pretty horrible, and unless there's a good use
> case for such a feature, I'd not be opposed to shoving in a retroactive
> ban on it...
> 

tove was trying to use it for perl:
http://git.overlays.gentoo.org/gitweb/?p=proj/perl-overlay.git;a=commitdiff_plain;h=1a4be047e0ad2f13a7eeab9a5295557023ef2d62


Replies:
Re: Clarification of has_version cat/pkg[use=] behavior for EAPI 3 or 4
-- Ciaran McCreesh
References:
Clarification of has_version cat/pkg[use=] behavior for EAPI 3 or 4
-- Petteri Räty
Re: Clarification of has_version cat/pkg[use=] behavior for EAPI 3 or 4
-- Ciaran McCreesh
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Updated Jul 18, 2012

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