=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for pdf-writer-1.1.8.gem
=> Checksum RMD160 OK for pdf-writer-1.1.8.gem
=> Checksum SHA512 OK for pdf-writer-1.1.8.gem
===> Installing dependencies for ruby25-pdf-writer-1.1.8nb1
=> Tool dependency distcc-[0-9]*: found distcc-3.3
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby25-color>=1.4.0: found ruby25-color-1.8
=> Full dependency ruby25-transaction-simple>=1.3<2: found ruby25-transaction-simple-1.4.0.2
=> Full dependency ruby25-base>=2.5.8: 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/print/ruby-pdf-writer