The only compile time control the user might want exert is to enable the EXTRACT option:-
GE_DEBUGwhich switches on extra diagnostic code (and slows the program down!). Some of this diagnostic printout, specifically in the PMT hexagon tracking code, can be further controlled at execution time using the logical flag:-
GE_DEBUGthat can be found in:-
ge_titles.incBy default this is switched off in INGEO as it produces copious output!