** Changed in: mir
Milestone: 0.7.0 => None
** Changed in: mir
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1293944
Title:
Mir deb packages with versioned names cannot be installed
simultaneously any more
Status in Mir:
Fix Released
Status in Mir 0.6 series:
Fix Released
Status in “mir” package in Ubuntu:
Fix Released
Bug description:
Mir has some packages with ABI-versioned names (libmirserver17,
libmirclient7) so that multiple versions can be installed
simultaneously, in theory. However this plan is not working;
Package: libmirserver17
Section: libs
Architecture: i386 amd64 armhf arm64
Multi-Arch: same
Pre-Depends: ${misc:Pre-Depends}
Depends: ${misc:Depends},
${shlibs:Depends},
libmirplatform (= ${binary:Version}),
libmirplatformgraphics-mesa (= ${binary:Version}) |
libmirplatformgraphics-android (= ${binary:Version}),
When we bump an ABI number, we also increase the ${binary:Version}. So
you can see from the names that libmirplatform* can only have one
version installed at a time. And that indirectly means that
libmirserverN can never be installed simultaneously with
libmirserverN+1.
This also leads to annoying CI failures as we're seeing this week:
The following packages have unmet dependencies:
libmirserver16 : Depends: libmirplatform (= 0.1.6+14.04.20140310-0ubuntu1)
but 0.1.7+autopilot0 is to be installed
Depends: libmirplatformgraphics-mesa (=
0.1.6+14.04.20140310-0ubuntu1) but 0.1.7+autopilot0 is to be installed or
libmirplatformgraphics-android (=
0.1.6+14.04.20140310-0ubuntu1) but 0.1.7+autopilot0 is to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify
a solution).
There are at least two possible solutions I can think of so far:
(1) Change our Depends' to not use straight equality. So we must change:
libmirplatform (= ${binary:Version}),
to:
libmirplatform (>= ${binary:Version}),
or even to
libmirplatform (>= some_older_version_based_on_real_requirements),
(2) Change libplatform* to include some ABI number in their names. Not
ideal.
I like (1).
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