=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for space_dapp.c
=> Checksum RMD160 OK for space_dapp.c
===> Installing dependencies for space_dapp-20060717
=> Build dependency x11-links>=0.72: found x11-links-0.74
===> Overriding tools for space_dapp-20060717
===> Extracting for space_dapp-20060717
===> Patching for space_dapp-20060717
=> Applying pkgsrc patches for space_dapp-20060717
===> Creating toolchain wrappers for space_dapp-20060717
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/x11/space_dapp
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/x11/space_dapp