Seri-PC ~ # emerge -a =dev-lang/ruby-2.3.1

 * IMPORTANT: 16 news items need reading for repository 'gentoo'.
 * Use eselect news read to view new items.


 * IMPORTANT: config file '/etc/portage/package.accept_keywords' needs updating.
 * See the CONFIGURATION FILES and CONFIGURATION FILES UPDATE TOOLS
 * sections of the emerge man page to learn how to update config files.

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild     U ~] app-eselect/eselect-ruby-20161226 [20131227]
[ebuild  NS   ~] dev-lang/ruby-2.3.1 [2.1.9] USE="berkdb gdbm ipv6 ncurses rdoc readline ssl -debug -doc -examples -jemalloc -libressl -rubytests -socks5 -tk -xemacs"
[ebuild     U ~] dev-ruby/rubygems-2.6.11 [2.5.2] RUBY_TARGETS="ruby23* -ruby24%"
[ebuild     U ~] virtual/rubygems-12 [10] RUBY_TARGETS="ruby23%* (-rbx) -ruby22% -ruby24%"
[ebuild  N    ~] dev-ruby/did_you_mean-1.0.2  USE="{-test}" RUBY_TARGETS="ruby23"
[ebuild     U ~] dev-ruby/rake-12.0.0 [10.5.0] RUBY_TARGETS="ruby23* -ruby24%"
[ebuild  NS   ~] dev-ruby/json-2.0.3 [1.8.2-r1] USE="-doc {-test}" RUBY_TARGETS="ruby21 ruby23 -ruby22 -ruby24"
[ebuild  N    ~] dev-ruby/net-telnet-0.1.1-r1  USE="-doc {-test}" RUBY_TARGETS="ruby21 ruby23 (-ruby20) -ruby22 -ruby24"
[ebuild  N    ~] dev-ruby/power_assert-1.0.1-r1  USE="-doc {-test}" RUBY_TARGETS="ruby21 ruby23 -ruby22 -ruby24"
[ebuild  N    ~] dev-ruby/test-unit-3.2.3  USE="-doc {-test}" RUBY_TARGETS="ruby21 ruby23 (-ruby20) -ruby22 -ruby24"
[ebuild  N    ~] dev-ruby/minitest-5.10.1  USE="-doc {-test}" RUBY_TARGETS="ruby21 ruby23 (-ruby20) -ruby22 -ruby24"
[ebuild     U ~] dev-ruby/racc-1.4.14 [1.4.11] RUBY_TARGETS="ruby23%* -ruby24%"
[ebuild  N    ~] dev-ruby/kpeg-1.1.0  USE="-doc {-test}" RUBY_TARGETS="ruby21 ruby23 -ruby22 -ruby24"
[ebuild     U ~] dev-ruby/rdoc-5.1.0 [4.2.0] RUBY_TARGETS="ruby23%* -ruby24%"

The following keyword changes are necessary to proceed:
 (see "package.accept_keywords" in the portage(5) man page for more details)
# required by dev-ruby/rdoc-5.1.0::gentoo[ruby_targets_ruby23]
# required by dev-lang/ruby-2.3.1::gentoo[rdoc]
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/racc-1.4.14 ~amd64
# required by dev-ruby/rdoc-5.1.0::gentoo
# required by dev-lang/ruby-2.3.1::gentoo[rdoc]
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=app-eselect/eselect-ruby-20161226 ~amd64
# required by dev-lang/ruby-2.3.1::gentoo
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/did_you_mean-1.0.2 ~amd64
# required by dev-lang/ruby-2.3.1::gentoo[rdoc]
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/rdoc-5.1.0 ~amd64
# required by =dev-lang/ruby-2.3.1 (argument)
=dev-lang/ruby-2.3.1 ~amd64
# required by dev-lang/ruby-2.3.1::gentoo
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/test-unit-3.2.3 ~amd64
# required by dev-lang/ruby-2.3.1::gentoo
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/rake-12.0.0 ~amd64
# required by dev-ruby/net-telnet-0.1.1-r1::gentoo
# required by dev-lang/ruby-2.3.1::gentoo
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
=virtual/rubygems-12 ~amd64
# required by dev-ruby/rdoc-5.1.0::gentoo[ruby_targets_ruby23]
# required by dev-lang/ruby-2.3.1::gentoo[rdoc]
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/json-2.0.3 ~amd64
# required by dev-lang/ruby-2.3.1::gentoo
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/net-telnet-0.1.1-r1 ~amd64
# required by dev-lang/ruby-2.3.1::gentoo
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/power_assert-1.0.1-r1 ~amd64
# required by dev-ruby/rdoc-5.1.0::gentoo[ruby_targets_ruby21]
# required by dev-lang/ruby-2.3.1::gentoo[rdoc]
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
=dev-ruby/kpeg-1.1.0 ~amd64
# required by dev-lang/ruby-2.3.1::gentoo
# required by dev-ruby/rubygems-2.6.11::gentoo[ruby_targets_ruby23]
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/kpeg-1.1.0::gentoo
# required by dev-ruby/rdoc-5.1.0::gentoo[ruby_targets_ruby21]
# required by dev-lang/ruby-2.1.9::gentoo[rdoc]
# required by dev-ruby/rake-12.0.0::gentoo[ruby_targets_ruby21]
# required by dev-ruby/racc-1.4.14::gentoo[ruby_targets_ruby23,-test]
=dev-ruby/minitest-5.10.1 ~amd64
# required by virtual/rubygems-12::gentoo[ruby_targets_ruby21]
# required by dev-ruby/minitest-5.10.1::gentoo
# required by dev-lang/ruby-2.3.1::gentoo
# required by dev-ruby/kpeg-1.1.0::gentoo[ruby_targets_ruby23]
# required by dev-ruby/rdoc-5.1.0::gentoo[ruby_targets_ruby21]
# required by dev-lang/ruby-2.1.9::gentoo[rdoc]
# required by dev-ruby/rake-12.0.0::gentoo[ruby_targets_ruby21]
# required by dev-ruby/racc-1.4.14::gentoo[ruby_targets_ruby23,-test]
=dev-ruby/rubygems-2.6.11 ~amd64

Would you like to add these changes to your config files? [Yes/No]

Autounmask changes successfully written.

 * IMPORTANT: 2 config files in '/etc/portage' need updating.
 * See the CONFIGURATION FILES and CONFIGURATION FILES UPDATE TOOLS
 * sections of the emerge man page to learn how to update config files.