Failure to Create Ruby on Rails project in windows 8 OS

Z:\ror_www>rails new simple_cms -d mysql
       exist
   identical  README.rdoc
   identical  Rakefile
   identical  config.ru
   identical  .gitignore
   identical  Gemfile
       exist  app
   identical  app/assets/images/rails.png
   identical  app/assets/javascripts/application.js
   identical  app/assets/stylesheets/application.css
   identical  app/controllers/application_controller.rb
   identical  app/helpers/application_helper.rb
   identical  app/views/layouts/application.html.erb
   identical  app/mailers/.gitkeep
   identical  app/models/.gitkeep
       exist  config
   identical  config/routes.rb
   identical  config/application.rb
   identical  config/environment.rb
       exist  config/environments
   identical  config/environments/development.rb
   identical  config/environments/production.rb
   identical  config/environments/test.rb
       exist  config/initializers
   identical  config/initializers/backtrace_silencers.rb
   identical  config/initializers/inflections.rb
   identical  config/initializers/mime_types.rb
    conflict  config/initializers/secret_token.rb
Overwrite Z:/ror_www/simple_cms/config/initializers/secret_token.rb? (enter "h"
for help) [Ynaqdh] y
       force  config/initializers/secret_token.rb
   identical  config/initializers/session_store.rb
   identical  config/initializers/wrap_parameters.rb
       exist  config/locales
   identical  config/locales/en.yml
   identical  config/boot.rb
   identical  config/database.yml
       exist  db
   identical  db/seeds.rb
       exist  doc
   identical  doc/README_FOR_APP
       exist  lib
       exist  lib/tasks
   identical  lib/tasks/.gitkeep
       exist  lib/assets
   identical  lib/assets/.gitkeep
       exist  log
   identical  log/.gitkeep
       exist  public
   identical  public/404.html
   identical  public/422.html
   identical  public/500.html
   identical  public/favicon.ico
   identical  public/index.html
   identical  public/robots.txt
       exist  script
   identical  script/rails
       exist  test/fixtures
   identical  test/fixtures/.gitkeep
       exist  test/functional
   identical  test/functional/.gitkeep
       exist  test/integration
   identical  test/integration/.gitkeep
       exist  test/unit
   identical  test/unit/.gitkeep
   identical  test/performance/browsing_test.rb
   identical  test/test_helper.rb
       exist  tmp/cache
       exist  tmp/cache/assets
       exist  vendor/assets/javascripts
   identical  vendor/assets/javascripts/.gitkeep
       exist  vendor/assets/stylesheets
   identical  vendor/assets/stylesheets/.gitkeep
       exist  vendor/plugins
   identical  vendor/plugins/.gitkeep
         run  bundle install
Fetching gem metadata from https://rubygems.org/...........
Fetching gem metadata from https://rubygems.org/..
Resolving dependencies...
Using rake (10.1.0)
Using i18n (0.6.1)
Using multi_json (1.7.7)
Using activesupport (3.2.13)
Using builder (3.0.4)
Using activemodel (3.2.13)
Using erubis (2.7.0)
Using journey (1.0.4)
Using rack (1.4.5)
Using rack-cache (1.2)
Using rack-test (0.6.2)
Using hike (1.2.3)
Using tilt (1.4.1)
Using sprockets (2.2.2)
Using actionpack (3.2.13)
Using mime-types (1.23)
Using polyglot (0.3.3)
Using treetop (1.4.14)
Using mail (2.5.4)
Using actionmailer (3.2.13)
Using arel (3.0.2)
Using tzinfo (0.3.37)
Using activerecord (3.2.13)
Using activeresource (3.2.13)
Using bundler (1.3.4)
Using coffee-script-source (1.6.3)
Using execjs (1.4.0)
Using coffee-script (2.2.0)
Using rack-ssl (1.3.3)
Using json (1.8.0)
Using rdoc (3.12.2)
Using thor (0.18.1)
Using railties (3.2.13)
Using coffee-rails (3.2.2)
Using jquery-rails (3.0.4)
Installing mysql2 (0.3.13)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension
.

        Z:/RailsInstaller/Ruby1.9.3/bin/ruby.exe extconf.rb
checking for rb_thread_blocking_region()... yes
checking for rb_wait_for_single_fd()... yes
checking for rb_hash_dup()... yes
checking for rb_intern3()... yes
*** 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=Z:/RailsInstaller/Ruby1.9.3/bin/ruby
        --with-mysql-dir
        --without-mysql-dir
        --with-mysql-include
        --without-mysql-include=${mysql-dir}/include
        --with-mysql-lib
        --without-mysql-lib=${mysql-dir}/lib
extconf.rb:37:in `<main>': undefined method `[]' for nil:NilClass (NoMethodError
)


Gem files will remain installed in Z:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9
.1/gems/mysql2-0.3.13 for inspection.
Results logged to Z:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/mysql2-0.
3.13/ext/mysql2/gem_make.out
An error occurred while installing mysql2 (0.3.13), and Bundler cannot continue.

Make sure that `gem install mysql2 -v '0.3.13'` succeeds before bundling.