=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for ronn-0.7.3.gem
=> Checksum RMD160 OK for ronn-0.7.3.gem
=> Checksum SHA512 OK for ronn-0.7.3.gem
===> Installing dependencies for ruby25-ronn-0.7.3nb1
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby25-hpricot-[0-9]*: found ruby25-hpricot-0.8.6
=> Full dependency ruby25-mustache-[0-9]*: found ruby25-mustache-1.1.1
=> Full dependency ruby25-rdiscount-[0-9]*: found ruby25-rdiscount-2.2.0.2
=> Full dependency ruby25-base>=2.5.9: NOT found
=> Verifying /nonexistent for ../../lang/ruby25-base
make[1]: don't know how to make /nonexistent. Stop

make[1]: stopped in /usr/pkgsrc/lang/ruby25-base
*** Error code 2

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