=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for STk-4.0.1.tar.gz
=> Checksum RMD160 OK for STk-4.0.1.tar.gz
===> Installing dependencies for STk-4.0.1nb3
=> Build dependency x11-links>=0.72: found x11-links-0.74
=> Full dependency osabi-Minix-3.2.1: found osabi-Minix-3.2.1
===> Overriding tools for STk-4.0.1nb3
===> Extracting for STk-4.0.1nb3
===> Patching for STk-4.0.1nb3
=> Applying pkgsrc patches for STk-4.0.1nb3
===> Creating toolchain wrappers for STk-4.0.1nb3
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

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

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