Add back Ubuntu 16.04 support - resolves #244

AprilRobotics / apriltag

AprilTag is a visual fiducial system popular for robotics research.

https://april.eecs.umich.edu/software/apriltag

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Add back Ubuntu 16.04 support - resolves #244 #245

Closed wxmerkt closed 1 year ago

wxmerkt commented 1 year ago

We need to define _GNU_SOURCE for the initially reported error to go away.

Since Ubuntu 16.04 ships by default with OpenCV 2.4, we need further changes for renamed variables and moved modules (TickMeter was in contrib back in 2.4).

Resolves #244

wxmerkt commented 1 year ago

I've removed the Kinetic config from the ROS-tooling CI again - it wasn't building. I believe this PR is ready for merging