Mailinglist Archive: opensuse-buildservice (96 mails)

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Re: [opensuse-buildservice] How to solve libudev-devel:libudev-mini-devel conflict
Jan Engelhardt <jengelh@xxxxxxx> writes:

On Thursday 2015-10-15 10:44, Andreas Schwab wrote:

In openSUSE:Factory:ARM the v4l-utils package has an unresolved
dependency because v4l-utils requires udev for building which pulls in
libudev1, but libgbm-devel depends on pkgconfig(udev) which resolves to
libudev-mini-devel (we generally prefer that over libudev-devel) and
pulls in libudev-mini1. How can the conflict between libudev1 and
libudev-mini1 be solved?

I would analyze it as follows:

Since libudev-mini-devel requires libudev-mini1 which is marked as
conflicting with libudev1 (hardrequired by udev by v4l-utils), the
solver should abandon the libudev-mini-devel possibility for
expansion of pkgconfig(udev) and never even get to a point where it
has to consult Prefer lines.

The solver apparently doesn't look ahead. libudev-mini-devel doesn't
conflict directly with libudev1, so it can still be selected to resolve
pkgconfig(udev). The buildconfig of openSUSE:Factory contains
"Conflict: libudev1:udev-mini" which probably was added to solve a
similar conflict.


Andreas Schwab, SUSE Labs, schwab@xxxxxxx
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