Hi Juanito. The flatpak extension I submitted for TCL16 x86_64 is binary-only. Eventually I would like to replace the binary-only extension with one compiled on TCL.
One of flatpak's build dependency I know is missing from our repo is ostree (
https://github.com/ostreedev/ostree). I tried packaging ostree before but got stuck (I can't remember what the issue was at the moment).
If you have time and interest, can you please look into adding ostree to the x86_64 repo?