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El lun, 14-02-2011 a las 13:41 +0000, Ciaran McCreesh escribió: |
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> On Mon, 14 Feb 2011 14:33:52 +0100 |
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> Pacho Ramos <pacho@g.o> wrote: |
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> > > You should be able to -* them out... -* is fine (assuming Portage |
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> > > handles it) since we know what the null set is; it's just * that's |
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> > > the problem. |
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> > |
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> > Yeah, portage handles it, but thought -* also had the same problem, |
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> > thanks for clarifying, anyway, latest approach on only enable ptp2 by |
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> > default looks fine for me |
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> |
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> No, -* is fine, so long as Portage doesn't pass it through literally. |
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> |
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> The problem, specifically, is that things like this are totally legal |
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> and are done by some packages: |
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> |
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> IUSE="linguas_en linguas_fr" |
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> |
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> if use linguas_de ; then |
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> |
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> if has linguas_de $LINGUAS ; then |
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> |
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> if has linguas_de $USE ; then |
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> |
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> So if you were to set LINGUAS="*", there would have to be some magic |
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> way for the package mangler to know that linguas_de exists, even if |
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> there's no mention of it anywhere in any user config files or in IUSE |
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> (and no, the desc files aren't a complete list either). |
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> |
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> The reason for this, historically, was that IUSE was used purely for |
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> display purposes by Portage, whilst USE was worked out from everything |
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> in config files, regardless of whether or not the ebuild claimed to use |
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> it. That meant there was absolutely nothing stopping you from making |
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> IUSE incomplete... |
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> |
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|
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Ah, thanks for the explanation. Regards |
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