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Bug 550056 - sys-apps/portage: emerge slot conflict output should suggest solutions involving USE changes for conditional dependencies
Summary: sys-apps/portage: emerge slot conflict output should suggest solutions involv...
Alias: None
Product: Portage Development
Classification: Unclassified
Component: Core - Interface (emerge) (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Portage team
Depends on:
Blocks: 300071
  Show dependency tree
Reported: 2015-05-21 14:48 UTC by Pacho Ramos
Modified: 2021-06-11 20:26 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


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Description Pacho Ramos gentoo-dev 2015-05-21 14:48:14 UTC
Looking to reports like:

Looks like the current output:
!!! Multiple package instances within a single package slot have been pulled                                                                                                                                                                       
!!! into the dependency graph, resulting in a slot conflict:                                                                                                                                                                                       

  (media-libs/libvpx-1.3.0:0/0::gentoo, installed) pulled in by
    =media-libs/libvpx-1.3.0* required by (www-client/firefox-31.7.0:0/0::gentoo, installed)
    ^                  ^^^^^^

  (media-libs/libvpx-1.4.0:0/2::gentoo, ebuild scheduled for merge) pulled in by
    >=media-libs/libvpx-1.4.0:= required by (www-client/chromium-43.0.2357.65:0/0::gentoo, ebuild scheduled for merge)

Should point to the USE flag causing the blockers to allow people to guess they should switch it, in this case, the offending USE is "system-libvpx"

Thanks a lot :)
Comment 1 Zac Medico gentoo-dev 2015-05-21 17:55:49 UTC
The slot_conflict_handler checks for solutions to USE deps, but apparently it doesn't check for USE conditional solutions like this.