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- change $OIFS_HOME to point to your installation of openifs-ac (and not to the standard oifs43r3 installation), in our example this is /home/openifs-ac.
- change $OIFS_DATA_DIR to the location with the additional data packages, in our example this is /data/openifs-ac.
- before compiling the model sources edit $OIFS_HOME/make/oifs.fcm to enable chemistry (which is by default disabled).
It is recommend to apply the first two changes in $OIFS_HOME/oifs-config.editme.sh and to activate the settings with the command: source ./oifs-config.editme.sh before attempting to build the model.
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