/gpfs/fs1/home/ac.zguo/E3SM_code/c50ab36/components/elm/bld/configure -comp_intf mct -phys elm -phys elm -cppdefs -DMODAL_AER -usr_src /lcrc/group/acme/ac.zguo/E3SM_simulations/sens1022_84/case_scripts/SourceMods/src.elm Root directory of CLM source distribution (directory above CLM configure). Component framework interface to use (Model Coupling Toolkit, or Earth System Modeling Framework) User specified CPP defines to append to Makefile defaults. Note: It's recommended to use configure options to set standard CPP values rather than defining them here. Specifies elm physics User source directories to prepend to the filepath. Multiple directories are specified as a comma separated list with no embedded white space. Normally this is SourceMods/src.clm in your case.