i don't know if there is a wiki or something like that but i do exactly what Alex and Rolf told me to do:
This is a horrible, horrible precedent to set. Please immediately make a wiki page so that EVERYONE uses the SAME procedure for rebuild each time.
Not following a rigid procedure leads to a lot of wasted time.
There is one in the ELOG, entry 124 "Realtime code generation (RCG) troubleshooting":