=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for twitter_oauth-0.4.94.gem
=> Checksum RMD160 OK for twitter_oauth-0.4.94.gem
=> Checksum SHA512 OK for twitter_oauth-0.4.94.gem
===> Installing dependencies for ruby27-twitter_oauth-0.4.94
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency ruby27-mime-types>=1.16: found ruby27-mime-types-3.3.1
=> Full dependency ruby27-oauth>=0.4.7: found ruby27-oauth-0.5.5
=> 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/security/ruby-twitter_oauth