On 17/04/2016 05:45, meino.cra...@gmx.de wrote:
> 
> Hi,
> 
> ...and the novice was buffled and even the master shifted a little bit
> after recognizing this words of the eternal being named emerge.
> I know, that there is a difference in knowing the path and walking the
> path, but it seems that I am not supposed to understand this:
> 
> 
> These are the packages that would be merged, in reverse order:
> 
> Calculating dependencies... done!
> 
> Total: 0 packages, Size of downloads: 0 KiB
> 
> WARNING: One or more updates/rebuilds have been skipped due to a dependency 
> conflict:
> 
> dev-util/boost-build:0
> 
>   (dev-util/boost-build-1.60.0:0/0::gentoo, ebuild scheduled for merge) 
> conflicts with
>     =dev-util/boost-build-1.58* required by 
> (dev-libs/boost-1.58.0-r1:0/1.58.0::gentoo, installed)
>     ^                     ^^^^^
> 
> 
> !!! The following update has been skipped due to unsatisfied dependencies:
> 
> dev-libs/boost:0
> 
> !!! All ebuilds that could satisfy "=dev-util/boost-build-1.60*" have been 
> masked.
> !!! One of the following masked packages is required to complete your request:
> - dev-util/boost-build-1.60.0::gentoo (masked by: )
> 
> 
> For me it looks like boost not beeing updated/reinstalled because of
> another version of boost, which depends on boost.
> 
> HELP, I need somebody, HELP, not just anybody hee-eee-eelp uuuuuhhhh!
> 
> Thanks for any HELP in advance! May the source be with you...
> Best regards,
> Meino
> 
> 
> 


Hah! That's one of those blockers that makes little or no sense.


boost has this dep:

DEPEND="${RDEPEND}
        =dev-util/boost-build-${MAJOR_V}*"

and boost-build does not depend on boost.

So, logically you'd expect boost to want to upgrade to 1.60, notice
boost-build's dep and upgrade boost-build as well to match. But it
doesn't, because boost-build-1.60 is masked for <null> reason.

It really looks and smells like a bug in emerge[1] when updating world
where it considers boost-build first, fixes the version to use to match
current boost, and then can't find a way to upgrade boost.

Solution would seem to be to emerge -C either of them and let portage
get on with it. Or upgrade just upgrade boost-build by itself then do world


[1] I wouldn't go so far as to call it a "bug" as such, because nothing
in the spec requires a package manager to guarantee that it will always
find the best way to upgrade everything. It only needs to keep the
system consistent with the ebuilds it has.

-- 
Alan McKinnon
alan.mckin...@gmail.com


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