=> Bootstrap dependency digest>=20010302: found digest-20180917
=> Checksum SHA1 OK for libxml2-2.9.9.tar.gz
=> Checksum RMD160 OK for libxml2-2.9.9.tar.gz
=> Checksum SHA512 OK for libxml2-2.9.9.tar.gz
===> Installing dependencies for py36-libxml2-2.9.9
==========================================================================
The following variables will affect the build process of this package,
py36-libxml2-2.9.9.  Their current value is shown below:

        * PYTHON_VERSION_DEFAULT = 27

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

        * PYPACKAGE = python36

You may want to abort the process now with CTRL-C and change their value
before continuing.  Be sure to run `/usr/bin/make clean' after
the changes.
==========================================================================
=> Tool dependency checkperms>=1.1: found checkperms-1.12
=> Build dependency py36-expat>=0: found py36-expat-3.6.7
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency python36>=3.6.0: found python36-3.6.7
=> Full dependency libxml2>=2.9.9: NOT found
=> Verifying /nonexistent for ../../textproc/libxml2
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/textproc/libxml2
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/textproc/py-libxml2