The errors were being caused by using ARCHOPTS when I built MAME. I stopped doing it and everything went back to working (and only a tiny bit slower)

I’m having a problem with compiling/running on raspberry pi. I’ve compiled 0.170-0.175 on both a Pi2 and a Pi3 all appears to have been successful. Now I’m trying to run benchmarks on them all and I’m hitting problems. I have picked 25 games mostly at random and am running “./mame -bench 90 <game>” ...