[ros-users] [Discourse.ros.org] [General] ROS Answers: kinetic uses unstable eigen3 on Ubuntu 16.04

[Tully Foote]

Looking into the upstream ticket "unstable" is not exactly the right characterization. The debian package was imported from the latest available release and has "stably" been using that release since there have been no changes. And I don't think that there are any changes expected.

However it has been identified that there is a bug in that release as it was a prerelease. However as debian is quite conservative particularly about maintaining stability they are very unlikely to switch to a newer or older release. Suggesting this in the ubuntu/debian bug tracker is not going to get much attention.  However for a bug such as this if there's a patch that can be applied without breaking the ABI they will likely consider applying that to the debian package.

We definitely do not want to diverge from what ubuntu/debian is packaging on a package as core as eigen. The best way to resolve this would be to submit a patch to the debian package that resolve the known/reproducible bug in the hopes that their review will determine that it's likely to resolve more issues than it creates, for users expecting stability from the distribution.





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