I'm sorry to mention to the community the trivial problem: > ld: Undefined symbol > _fMapTraceDestroy > _fMapShowVirtualMultiTrace > It is easy to avoid just commenting out these two functions in 'fmapcontrol.c' and 'fmap.h'. They both have zero c code. I found no other problems in ACEDB3.3 compiling Thank you for help, Sergey Petrov