=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for rails-5.1.7.gem
=> Checksum RMD160 OK for rails-5.1.7.gem
=> Checksum SHA512 OK for rails-5.1.7.gem
===> Installing dependencies for ruby27-rails51-5.1.7
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby27-actioncable51>=5.1.7<5.1.8: found ruby27-actioncable51-5.1.7
=> Full dependency ruby27-actionmailer51>=5.1.7<5.1.8: found ruby27-actionmailer51-5.1.7
=> Full dependency ruby27-actionpack51>=5.1.7<5.1.8: found ruby27-actionpack51-5.1.7
=> Full dependency ruby27-actionview51>=5.1.7<5.1.8: found ruby27-actionview51-5.1.7
=> Full dependency ruby27-activejob51>=5.1.7<5.1.8: found ruby27-activejob51-5.1.7
=> Full dependency ruby27-activemodel51>=5.1.7<5.1.8: found ruby27-activemodel51-5.1.7
=> Full dependency ruby27-activerecord51>=5.1.7<5.1.8: found ruby27-activerecord51-5.1.7
=> Full dependency ruby27-activesupport51>=5.1.7<5.1.8: found ruby27-activesupport51-5.1.7
=> Full dependency ruby27-railties51>=5.1.7<5.1.8: found ruby27-railties51-5.1.7
=> Full dependency ruby27-sprockets-rails>2.0.0*: found ruby27-sprockets-rails-3.2.1nb1
=> Full dependency ruby27-bundler1>=1.3.0: found ruby27-bundler1-1.17.3nb1
=> Full dependency ruby27-base>=2.7.1: 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/www/ruby-rails51