Works on my Ubuntu 18.04 based Jetson Nano
Broken (fixable?) on Pi4 + Gentoo
sudo emerge --ask --autounmask-write dpkg
sudo dispatch-conf
sudo emerge dpkg
sudo /var/lib/dpkg/status
sudo dpkg -i --ignore-depends=lazarus-ide *deb
sudo ln -s /usr/lib/lazarus/2.0.2/lazarus-gtk2 /usr/lib/lazarus/2.0.2/lazarus
That's as far as I've got so far
Needs fpc.cfg + some other stuff