Your requested default python version 2.7 is different from the installed
default python interpreter version 3.5

===>  License PD accepted by the user
===>   py35-hexdump-3.3 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by py35-hexdump-3.3 for building
===>  Extracting for py35-hexdump-3.3
=> SHA256 Checksum OK for hexdump-3.3.zip.
===>  Patching for py35-hexdump-3.3
===>   py35-hexdump-3.3 depends on package: py35-setuptools>0 - found
===>   py35-hexdump-3.3 depends on file: /usr/local/bin/python3.5 - found
===>  Configuring for py35-hexdump-3.3
running config
===>  Building for py35-hexdump-3.3
running build
running build_py
creating build
creating build/lib
copying hexdump.py -> build/lib
===>  Staging for py35-hexdump-3.3
===>   py35-hexdump-3.3 depends on package: py35-setuptools>0 - found
===>   py35-hexdump-3.3 depends on file: /usr/local/bin/python3.5 - found
===>   Generating temporary packing list
running install
running build
running build_py
running install_lib
creating /usr/home/sbz/svn/ports/textproc/py-hexdump/work/stage/usr/local/lib/python3.5
creating /usr/home/sbz/svn/ports/textproc/py-hexdump/work/stage/usr/local/lib/python3.5/site-packages
copying build/lib/hexdump.py -> /usr/home/sbz/svn/ports/textproc/py-hexdump/work/stage/usr/local/lib/python3.5/site-packages
byte-compiling /usr/home/sbz/svn/ports/textproc/py-hexdump/work/stage/usr/local/lib/python3.5/site-packages/hexdump.py to hexdump.cpython-35.pyc
writing byte-compilation script '/tmp/tmp48ucbh10.py'
/usr/local/bin/python3.5 -O /tmp/tmp48ucbh10.py
removing /tmp/tmp48ucbh10.py
running install_data
creating /usr/home/sbz/svn/ports/textproc/py-hexdump/work/stage/usr/local/lib/python3.5/site-packages/data
copying data/hexfile.bin -> /usr/home/sbz/svn/ports/textproc/py-hexdump/work/stage/usr/local/lib/python3.5/site-packages/data
running install_egg_info
running egg_info
creating hexdump.egg-info
writing dependency_links to hexdump.egg-info/dependency_links.txt
writing hexdump.egg-info/PKG-INFO
writing top-level names to hexdump.egg-info/top_level.txt
writing manifest file 'hexdump.egg-info/SOURCES.txt'
reading manifest file 'hexdump.egg-info/SOURCES.txt'
writing manifest file 'hexdump.egg-info/SOURCES.txt'
Copying hexdump.egg-info to /usr/home/sbz/svn/ports/textproc/py-hexdump/work/stage/usr/local/lib/python3.5/site-packages/hexdump-3.3-py3.5.egg-info
running install_scripts
writing list of installed files to '/usr/home/sbz/svn/ports/textproc/py-hexdump/work/.PLIST.pymodtmp'
====> Compressing man pages (compress-man)
====> Running Q/A tests (stage-qa)
===>  Building package for py35-hexdump-3.3
[sbz@devbox /usr/ports/textproc/py-hexdump]$ ls work/pkg/
py35-hexdump-3.3.txz
sbz@devbox /usr/ports/textproc/py-hexdump]$ pkg info -F work/pkg/py35-hexdump-3.3.txz                                                                                                                          
py35-hexdump-3.3
Name           : py35-hexdump
Version        : 3.3
Origin         : textproc/py-hexdump
Architecture   : FreeBSD:11:*
Prefix         : /usr/local
Categories     : python textproc
Licenses       : PD
Maintainer     : yuri@rawbw.com
WWW            : https://pypi.python.org/pypi/hexdump
Comment        : Print binary in hex format
Annotations    :
Flat size      : 46.7KiB
Description    :
Dump binary data to hex format and restore from there.

WWW: https://pypi.python.org/pypi/hexdump