=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for xtrs-4.9d.tar.gz
=> Checksum RMD160 OK for xtrs-4.9d.tar.gz
===> Installing dependencies for xtrs-4.9dnb1
=> Build dependency x11-links>=0.72: found x11-links-0.74
=> Full dependency ncurses>=5.4nb1: found ncurses-5.9
===> Overriding tools for xtrs-4.9dnb1
===> Extracting for xtrs-4.9dnb1
===> Patching for xtrs-4.9dnb1
mv /usr/pkgsrc/work/emulators/xtrs/work/xtrs-4.9d/cassette.sh /usr/pkgsrc/work/emulators/xtrs/work/xtrs-4.9d/cassette
=> Applying pkgsrc patches for xtrs-4.9dnb1
=> Substituting "mf" in Makefile.local
=> Substituting "oss" in trs_cassette.c cassette
INFO: [subst.mk:oss] Nothing changed in ./trs_cassette.c.
INFO: [subst.mk:oss] Nothing changed in ./cassette.
===> Creating toolchain wrappers for xtrs-4.9dnb1
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

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

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