You need to change your CPP-options > #define ALLOW_ATM_TEMP > #define ALLOW_ATM_WIND > #define ALLOW_DOWNWARD_RADIATION > #define ALLOW_RUNOFF to #undef ALLOW_ATM_TEMP #define ALLOW_ATM_WIND #undef ALLOW_DOWNWARD_RADIATION #define ALLOW_RUNOFF see pkg/exf/EXF_OPTIONS.h for more information Martin