=> Bootstrap dependency digest>=20010302: found digest-20121220
=> Checksum SHA1 OK for pgraf-20010131.tar.gz
=> Checksum RMD160 OK for pgraf-20010131.tar.gz
===> Installing dependencies for pgraf-20010131nb1
=> Build dependency x11-links>=0.72: found x11-links-0.74
===> Overriding tools for pgraf-20010131nb1
===> Extracting for pgraf-20010131nb1
===> Patching for pgraf-20010131nb1
=> Applying pkgsrc patches for pgraf-20010131nb1
===> Creating toolchain wrappers for pgraf-20010131nb1
ERROR: zlib>=1.1.4nb1 is not installed; can't buildlink files.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/graphics/pgraf
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/graphics/pgraf