CAM build directory; contains .o and .mod files. Chemistry package: none, waccm_mozart, waccm_ghg, or trop_mozart. Is CAM being coupled with the concurrent CCSM? 0 => no, 1 => yes. Dynamics package: eul, sld, fv, or homme. Use SST data or slab ocean model: dom or som. Physics package: cam or waccm. Prognostic aerosol package: list of any subset of the following: none,dust,seasalt,caer4,caer16,sulfur Horizontal resolution specifier. The recognized values depend on the dynamics type and are contained in the resolution_parameters.xml file. OS for which CAM is being built. The value is the name returned by the "uname -s" command on the target platform. This parameter is to allow cross-compilation. Test that a single valid value works correctly User source directories to prepend to the filepath. Multiple directories are specified as a comma separated list with no embedded white space.