bison from home:aevseev:devel project
Select Your Operating System
Add repository and install manually
For openSUSE-15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:aevseev:devel/openSUSE-15.4/home:aevseev:devel.repo zypper refresh zypper install bison