I just started a from scratch build system based on Ubuntu 18.04 LTS running under LXD/LXC container. This is the official minimal image.LibreELEC v9.x Git head revision as of Jan 22, 2019.
Noticed that, at least for this particular image I had to install:
in order to be able to build the image and all addons.
First 6 were mentioned in the 'Install basic dependencies' but the rest were trial and error.
Would be nice to have the complete list beforehand.
Thank you guys for the amazing job.