Instead of recompiling, I downgraded unison and unison-gtk with Bionic Beaver packages. There is no dependency issues.
Warning: you will not have any security update.
https://packages.ubuntu.com/bionic/unison https://packages.ubuntu.com/bionic/unison-gtk
Instead of recompiling, I downgraded unison and unison-gtk with Bionic Beaver packages. There is no dependency issues.
Warning: you will not have any security update.
https:/ /packages. ubuntu. com/bionic/ unison /packages. ubuntu. com/bionic/ unison- gtk
https:/