nlohmann_json from home:simotek:cmake4macro project
Sty agraw n unessmres nnek/m
Add repository and install manually
For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:simotek:cmake4macro/openSUSE_Tumbleweed/home:simotek:cmake4macro.repo zypper refresh zypper install nlohmann_json