gem kgio 2.9.2 installation error

Installing kgio 2.9.2 with native extensions

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

C:/Ruby21/bin/ruby.exe 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=C:/Ruby21/bin/ruby

    --with-rtlib

    --without-rtlib

    --with-nsllib

    --without-nsllib

    --with-socketlib

    --without-socketlib

extconf failed, exit code 1

Gem files will remain installed in C:/Ruby21/lib/ruby/gems/2.1.0/gems/kgio-2.9.2 for inspection.

Results logged to C:/Ruby21/lib/ruby/gems/2.1.0/extensions/x86-mingw32/2.1.0/kgi o-2.9.2/gem_make.out An error occurred while installing kgio (2.9.2), and Bundler cannot continue.

Make sure that gem install kgio -v '2.9.2' succeeds before bundling.

please help on rectifying it i have ruby 2.1.6 32 bit and 32 bit devkit installed