M3BLD_README September, 2005 These are the options for the "Opt" variable used for controlling m3bld in the CMAQ build scripts: set Opt = compile_all # force compile, even if object files are current set Opt = clean_up # remove all source files upon successful completion set Opt = no_compile # do everything except compile set Opt = no_link # do everything except link set Opt = one_step # compile and link in one step set Opt = parse_only # checks config file syntax set Opt = show_only # show requested commands but doesn't execute them set Opt = verbose # show requested commands as they are executed set MakeOpt # builds a Makefile to make the model, uncomment to invoke