This is a port of open62541 to Unikraft. You will need lwip and newlib to compile it, i.e., in your application's Makefile make sure to include the following to the dependency list:
...:$(UK_LIBS)/open62541:$(UK_LIBS)/lwip:$(UK_LIBS)/newlib:...
Please refer to the README.md as well as the documentation in the doc/
subdirectory of the main unikraft repository for further information.