=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for ucblogo-5.3.tar.gz
=> Checksum RMD160 OK for ucblogo-5.3.tar.gz
===> Installing dependencies for ucblogo-5.3nb2
=> Build dependency x11-links>=0.72: found x11-links-0.74
=> Full dependency ncurses>=5.4nb1: found ncurses-5.9
===> Overriding tools for ucblogo-5.3nb2
===> Extracting for ucblogo-5.3nb2
===> Patching for ucblogo-5.3nb2
=> Applying pkgsrc patches for ucblogo-5.3nb2
===> Creating toolchain wrappers for ucblogo-5.3nb2
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/lang/ucblogo
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/lang/ucblogo