=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for heckle-1.4.3.gem
=> Checksum RMD160 OK for heckle-1.4.3.gem
=> Checksum SHA512 OK for heckle-1.4.3.gem
===> Installing dependencies for ruby26-heckle-1.4.3nb2
=> Tool dependency distcc-[0-9]*: found distcc-3.3
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby26-hoe>=2.3.0: found ruby26-hoe-3.22.1
=> Full dependency ruby26-parsetree>=2.0.0: found ruby26-parsetree-3.0.9
=> Full dependency ruby26-ruby2ruby>=1.1.6: found ruby26-ruby2ruby-2.4.4
=> Full dependency ruby26-ZenTest>=3.5.2: found ruby26-ZenTest-4.12.0
=> Full dependency ruby26-base>=2.6.6: NOT found
=> Verifying /nonexistent for ../../lang/ruby26-base
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/ruby26-base
*** Error code 2

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