Yes, you will have to modify the v1.9 package as well.
I was unable to get Synergy2 working (2018-05-07). See the following
blog posts:
- https://symless.com/forums/topic/5654-synergy-2010-not-working-on-ubuntu-1804/
- https://symless.com/forums/topic/5634-reverting-to-synergy-1xx/
So, these are the instructions for Synergy 1.9 on Bionic Beaver (with libcurl4)
- Install fakeroot to maintain permissions while modifying the deb `sudo apt install fakeroot`
- Instructions and explanation of using dpkg with fakeroot are on stack exchange: https://unix.stackexch