=> Bootstrap dependency digest>=20010302: found digest-20190127
=> Checksum SHA1 OK for mysql2-0.5.3.gem
=> Checksum RMD160 OK for mysql2-0.5.3.gem
=> Checksum SHA512 OK for mysql2-0.5.3.gem
===> Installing dependencies for ruby27-mysql2-0.5.3
==========================================================================
The following variables will affect the build process of this package,
ruby27-mysql2-0.5.3.  Their current value is shown below:

        * MYSQL_VERSION_DEFAULT = 57
        * SSLBASE = /usr
        * SSLCERTBUNDLE (not defined)
        * SSLCERTS = /etc/openssl/certs
        * SSLDIR = /etc/openssl
        * SSLKEYS = /etc/openssl/private

Based on these variables, the following variables have been set:

        * MYSQL_PKGSRCDIR = ../../databases/mysql57-client

You may want to abort the process now with CTRL-C and change the value
of variables in the first group before continuing.  Be sure to run
`/usr/bin/make clean' after the changes.
==========================================================================
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> 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/databases/ruby-mysql2