=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for iruby-0.4.0.gem
=> Checksum RMD160 OK for iruby-0.4.0.gem
=> Checksum SHA512 OK for iruby-0.4.0.gem
===> Installing dependencies for ruby27-iruby-0.4.0
==========================================================================
The following variables will affect the build process of this package,
ruby27-iruby-0.4.0.  Their current value is shown below:

        * PYTHON_VERSION_DEFAULT = 38

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

        * PYPACKAGE = python38

You may want to abort the process now with CTRL-C and change the value
of variables in the first group before continuing.  Be sure to run
`/usr/bin/make clean' after the changes.
==========================================================================
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby27-bond>=0.5.1: found ruby27-bond-0.5.1
=> Full dependency ruby27-data_uri>=0.1.0: found ruby27-data_uri-0.1.0
=> Full dependency ruby27-mimemagic>=0.3.5: found ruby27-mimemagic-0.3.5
=> Full dependency ruby27-multi_json>=1.11: found ruby27-multi_json-1.15.0
=> Full dependency ruby27-pycall>=1.3.1: found ruby27-pycall-1.3.1
=> Full dependency ruby27-fiddle-[0-9]*: found ruby27-fiddle-2.7.2
=> Full dependency ruby27-ffi-rzmq-[0-9]*: found ruby27-ffi-rzmq-2.0.7
=> Full dependency py38-ipython>=6.0.0: found py38-ipython-7.20.0
=> Full dependency ruby27-base>=2.7.3: NOT found
=> Verifying /nonexistent for ../../lang/ruby27-base
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/ruby27-base
*** Error code 2

Stop.
make: stopped in /usr/pkgsrc/devel/ruby-iruby