The setup scripts for the coupled model are located in cesm1/scripts. The directory structure of CICE4 within CESM is shown below.
cesm1 (main directory) | | models--------+--------- scripts | | | * * * * *|* * * * * bld------+------ice *build scripts for* | | * coupled model * (Makefile | * * * * * * * * * * macros) | cice (active ice component) | bld ---------- docs -------+------- src | | (CICE | documentation) | | | drivers --- mpi ---+--- serial --- source | | | cice4 ---- cpl_esmf --+-- cpl_mct ---- cpl_share