libSDL2-2_0-0 from Application:ERP:GNUHealth:4.4 project
Select Your Operating System
Add repository and install manually
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Application:ERP:GNUHealth:4.4/15.5/Application:ERP:GNUHealth:4.4.repo zypper refresh zypper install libSDL2-2_0-0