=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
===> Installing for ruby24-tk-0.1.2
=> Generating pre-install file lists
=> Installing gem into installation root
Building native extensions.  This could take a while...
Successfully installed tk-0.1.2
Parsing documentation for tk-0.1.2
Installing ri documentation for tk-0.1.2
Done installing documentation for tk after 14 seconds
1 gem installed
=> Cleaning intermediate gem build files
rm tk-0.1.2/ext/tk/tkutil/tkutil.so
rm tk-0.1.2/ext/tk/tkutil/tkutil.o
rm tk-0.1.2/ext/tk/tkutil/Makefile
rm tk-0.1.2/ext/tk/tkutil/.sitearchdir.time
rm tk-0.1.2/ext/tk/tcltklib.so
rm tk-0.1.2/ext/tk/tcltklib.o
rm tk-0.1.2/ext/tk/stubs.o
rm tk-0.1.2/ext/tk/Makefile
rm tk-0.1.2/ext/tk/.sitearchdir.time
rm -f gem_make.out
rm -f mkmf.log
=> gem install
=> Automatic manual page handling
=> Generating post-install file lists
=> Checking file-check results for ruby24-tk-0.1.2
=> Checking for non-existent script interpreters in ruby24-tk-0.1.2
=> Checking file permissions in ruby24-tk-0.1.2
=> Checking for missing run-time search paths in ruby24-tk-0.1.2
ERROR: lib/ruby/gems/2.4.0/extensions/x86_64-netbsdelf/2.4.0/tk-0.1.2/tcltklib.so: missing library: libX11.so.7
ERROR: lib/ruby/gems/2.4.0/gems/tk-0.1.2/lib/tcltklib.so: missing library: libX11.so.7
*** Error code 1

Stop.
make[1]: stopped in /data/pkgsrc-current/x11/ruby-tk-gem
*** Error code 1

Stop.
make: stopped in /data/pkgsrc-current/x11/ruby-tk-gem