=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for xfrac310.zip
=> Checksum RMD160 OK for xfrac310.zip
===> Installing dependencies for xfractint-3.10nb1
==========================================================================
The following variables will affect the build process of this package,
xfractint-3.10nb1.  Their current value is shown below:

        * CURSES_DEFAULT = ncurses

Based on these variables, the following variables have been set:

        * CURSES_TYPE = ncurses

You may want to abort the process now with CTRL-C and change their value
before continuing.  Be sure to run `/usr/pkg/bin/bmake clean' after
the changes.
==========================================================================
=> Tool dependency libtool-base>=2.2.6bnb3: found libtool-base-2.4.2nb1
=> Tool dependency unzip-[0-9]*: found unzip-6.0nb1
=> Build dependency x11-links>=0.72: found x11-links-0.74
=> Full dependency ncurses>=5.4nb1: found ncurses-5.9
===> Overriding tools for xfractint-3.10nb1
===> Extracting for xfractint-3.10nb1
===> Patching for xfractint-3.10nb1
=> Applying pkgsrc patches for xfractint-3.10nb1
===> Creating toolchain wrappers for xfractint-3.10nb1
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/math/xfractint
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/math/xfractint