=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for arcem-1.00-src.tgz
=> Checksum RMD160 OK for arcem-1.00-src.tgz
=> Checksum SHA1 OK for linux.rom.gz
=> Checksum RMD160 OK for linux.rom.gz
=> Checksum SHA1 OK for HardImage1.gz
=> Checksum RMD160 OK for HardImage1.gz
===> Installing dependencies for arcem-1.00nb2
=> Tool dependency gmake>=3.81: found gmake-3.82nb6
=> Build dependency x11-links>=0.72: found x11-links-0.74
===> Overriding tools for arcem-1.00nb2
===> Extracting for arcem-1.00nb2
===> Patching for arcem-1.00nb2
=> Applying pkgsrc patches for arcem-1.00nb2
===> Creating toolchain wrappers for arcem-1.00nb2
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/emulators/arcem
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/emulators/arcem