=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for ffi-rzmq-core-1.0.7.gem
=> Checksum SHA512 OK for ffi-rzmq-core-1.0.7.gem
===> Installing dependencies for ruby27-ffi-rzmq-core-1.0.7
=> Tool dependency mktools-[0-9]*: found mktools-20220614
=> Tool dependency cwrappers>=20150314: found cwrappers-20220403
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Full dependency ruby27-ffi-[0-9]*: found ruby27-ffi-1.15.5
=> Full dependency zeromq>=4.0.5: NOT found
=> Verifying /nonexistent for ../../net/zeromq
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/net/zeromq
*** Error code 2

Stop.
make: stopped in /amd/pkgsrc/CHROOT/P/pkgsrc/net/ruby-ffi-rzmq-core