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gevisz wrote: |
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> чт, 22 нояб. 2018 г. в 17:55, Corentin “Nado” Pazdera <nado@××××××××××.be>: |
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>> November 22, 2018 4:41 PM, "gevisz" <gevisz@×××××.com> wrote: |
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>> |
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>>> After recent bug with changed Xorg-server suid use flag, |
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>>> I became very suspicious about spontanеous use flag |
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>>> shanges during system update and check them all. |
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>>> |
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>>> Today, I noticed the following attemped to change use flags |
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>>> in my Gentoo system during update: |
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>>> |
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>>> # emerge --update --deep --with-bdeps=y --newuse --backtrack=120 --ask world |
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>>> |
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>>> These are the packages that would be merged, in order: |
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>>> |
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>>> Calculating dependencies... done! |
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>>> [ebuild R ] dev-util/ninja-1.8.2 USE="(-zsh-completion%)" |
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>>> [ebuild R ] media-video/ffmpeg-3.3.6 USE="(-celt%)" |
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>>> [ebuild R ] media-video/vlc-3.0.4 USE="(-schroedinger%)" |
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>>> |
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>>> The problem is that |
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>>> $ equery uses ffmpeg |
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>>> and |
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>>> $ equery uses vlc |
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>>> commands show no celt and schroedinger use flags at all. |
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>>> |
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>>> Why? |
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>> Because they are not in the ebuild IUSE anymore (hence the %). |
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>> |
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>> From man emerge |
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>>> % suffix newly added or removed |
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> Ok. Why these packages should be rebuild then if the corresponding |
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> use flags just do not exit? |
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> |
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> |
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|
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The percent symbol shows that it is changing. Odds are, that USE flag |
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was in a earlier version but has been removed since. Depending on |
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options used on the emerge command, it will pick up those changes and |
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rebuild the package. I've seen times where what used to be a option no |
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longer is and the USE flag doesn't matter anymore because the package |
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has to build with whatever the flag triggers. Sometimes it is the other |
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way around. The USE flag doesn't matter because that function may be |
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done by another package and is no longer needed in that package. |
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|
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When I do upgrades, I to use emerge options to pick up on those |
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changes. I just go through the list looking for what has changed and |
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what specific packages I installed are being upgraded. If I see a USE |
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flag change and I don't know what it does, I use euse -i <USE flag> to |
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see what it does. Generally speaking, it ends up being nothing but on |
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occasion it could add a feature I do or do not want. Then I can |
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disable/enable the USE flag either globally or for that one package. |
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|
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Hope that helps. |
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|
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Dale |
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|
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:-) :-) |
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