Install flatpak and flatpak-builder using instructions from http://flatpak.org/getting.html
Install Gnome Runtime and Sdk, if 'install' steps fail just run again to retry/resume until they pass
$ wget https://sdk.gnome.org/keys/gnome-sdk.gpg
$ sudo flatpak remote-add --gpg-import=gnome-sdk.gpg gnome https://sdk.gnome.org/repo/
$ flatpak install gnome org.gnome.Platform 3.22
$ flatpak install gnome org.gnome.Sdk 3.22
Commands:
$ git clone https://github.com/cjcliffe/CubicSDR-flatpak.git
$ cd CubicSDR-flatpak
$ make
Installing the resulting .flatpak file:
$ flatpak install --bundle CubicSDR.flatpak
Running the installed app:
$ flatpak run com.cubicsdr.App
Un-installing: (or before re-install)
$ flatpak uninstall com.cubicsdr.App
Thanks to @digver for the intial flatpak work.