=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for xlsfonts-1.0.4.tar.bz2
=> Checksum RMD160 OK for xlsfonts-1.0.4.tar.bz2
===> Installing dependencies for xlsfonts-1.0.4
=> Tool dependency pkg-config>=0.25: found pkg-config-0.28
=> Build dependency x11-links>=0.72: found x11-links-0.74
=> Build dependency fontsproto>=2.0: found fontsproto-2.1.2
=> Full dependency libFS>=1.0.0: found libFS-1.0.4
===> Overriding tools for xlsfonts-1.0.4
===> Extracting for xlsfonts-1.0.4
===> Patching for xlsfonts-1.0.4
===> Creating toolchain wrappers for xlsfonts-1.0.4
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

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

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