Gemインストールkgioエラー

Gem Install Kgio Error

Installing kgio 2.11.2 with native extensions Gem::Ext::BuildError: ERROR: Failed to build gem native extension. current directory: E:/software/ruby/rubyinstaller2/path/lib/ruby/gems/2.4.0/gems/kgio-2.11.2/ext/kgio E:/software/ruby/rubyinstaller2/path/bin/ruby.exe -r ./siteconf20181218-15640-18om6qb.rb extconf.rb checking for CLOCK_MONOTONIC in time.h... yes checking for clockid_t in time.h... yes checking for clock_gettime() in -lrt... no checking for t_open() in -lnsl... no checking for socket() in -lsocket... no checking for poll() in poll.h... no checking for getaddrinfo() in sys/types.h,sys/socket.h,netdb.h... no getaddrinfo required *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=E:/software/ruby/rubyinstaller2/path/bin/$(RUBY_BASE_NAME) --with-rtlib --without-rtlib --with-nsllib --without-nsllib --with-socketlib --without-socketlib To see why this extension failed to compile, please check the mkmf.log which can be found here: E:/software/ruby/rubyinstaller2/path/lib/ruby/gems/2.4.0/extensions/x64-mingw32/2.4.0/kgio-2.11.2/mkmf.log extconf failed, exit code 1 Gem files will remain installed in E:/software/ruby/rubyinstaller2/path/lib/ruby/gems/2.4.0/gems/kgio-2.11.2 for inspection. Results logged to E:/software/ruby/rubyinstaller2/path/lib/ruby/gems/2.4.0/extensions/x64-mingw32/2.4.0/kgio-2.11.2/gem_make.out An error occurred while installing kgio (2.11.2), and Bundler cannot continue. Make sure that `gem install kgio -v '2.11.2' --source 'https://gems.ruby-china.com/'` succeeds before bundling. In Gemfile: rainbows was resolved to 4.7.0, which depends on unicorn was resolved to 4.8.3, which depends on kgio

問題が何であるかはわかりませんが、stackflowによると、このgemパッケージはWindows環境をサポートしていません。
解決策はありません。 。 。 。
あきらめます。 。 。