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From: Martin Vaeth <martin@mvath.de>
Subject: [gentoo-user] Re: --depclean wants to remove udev. What!?
Date: Mon, 20 Jun 2022 06:02:12 -0000 (UTC)
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Dale <rdalek1967@gmail.com> wrote:
>
> root@fireball / # equery d sys-apps/systemd-utils
>  * These packages depend on sys-apps/systemd-utils:
> sys-apps/systemd-tmpfiles-250 (sys-apps/systemd-utils[tmpfiles])
> sys-fs/udev-250 (sys-apps/systemd-utils[udev,...])
> virtual/libudev-232-r7 (!systemd ? sys-apps/systemd-utils[udev,...])
> virtual/tmpfiles-0-r3 (!prefix-guest ? sys-apps/systemd-utils[tmpfiles])
> virtual/udev-217-r5 (sys-apps/systemd-utils[udev])

Looks completely sane:

sys-apps/systemd-tmpfiles-250 and sys-fs/udev-250
are "practically" just virtuals which only pull in
sys-apps/systemd-utils
with the corresponding USE-flags. And the "true"
virtuals for for tmpfiles and udev also depend on that
package with the corresponding USE-flags.