=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for libXpm-3.5.10.tar.bz2
=> Checksum RMD160 OK for libXpm-3.5.10.tar.bz2
===> Installing dependencies for libXpm-3.5.10
=> Tool dependency libtool-base>=2.2.6bnb3: found libtool-base-2.4.2nb1
=> Tool dependency gettext-tools>=0.15: found gettext-tools-0.18.2.1
=> Tool dependency pkg-config>=0.25: found pkg-config-0.28
=> Build dependency x11-links>=0.72: found x11-links-0.74
=> Full dependency gettext-lib>=0.18: found gettext-lib-0.18.2.1
===> Overriding tools for libXpm-3.5.10
===> Extracting for libXpm-3.5.10
===> Patching for libXpm-3.5.10
=> Applying pkgsrc patches for libXpm-3.5.10
===> Creating toolchain wrappers for libXpm-3.5.10
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

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

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