...
In contrast to earlier model versions, the building of OpenIFS 48r1 is no longer based on the FCM configuration manager, but uses from now on the ecbuild ECMWF build system that is also used for the ECMWF IFS model, and which uses CMake at its core.
OpenIFS 48r1 is further distributed with a software bundle which automatically installs many required software packages, such as for instance ecbuild, ecCodes, metkit, etc, and hence a separate installation of these libraries is no longer required as they have now become part of the OpenIFS distribution.
Build process
The $OIFS_HOME/bin/openifs-test.sh script can be used to build the model and run initial tests.
...