=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for unicon-1.2.tar.gz
=> Checksum RMD160 OK for unicon-1.2.tar.gz
===> Installing dependencies for unicon-im-1.2nb5
=> Tool dependency libtool-base>=2.2.6bnb3: found libtool-base-2.4.2nb1
=> Build dependency x11-links>=0.72: found x11-links-0.74
=> Full dependency pth>=2.0.0nb2: found pth-2.0.7nb3
===> Overriding tools for unicon-im-1.2nb5
===> Extracting for unicon-im-1.2nb5
===> Patching for unicon-im-1.2nb5
=> Applying pkgsrc patches for unicon-im-1.2nb5
===> Creating toolchain wrappers for unicon-im-1.2nb5
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/inputmethod/unicon-im
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/inputmethod/unicon-im