Additionally, the inclusion of ia64 is wrong here: https://sources.debian.org/src/pd-moonlib/0.3.6-2/Makefile.pdlibbuilder/#L424 as is evidenced in this build log: https://buildd.debian.org/status/fetch.php?pkg=pd-moonlib&arch=ia64&ver=0.3.6-2&stamp=1517784204&raw=0