title: ruby-debug-ide failed to build gem native extention in Windows
body: <p>I have installed debase, but when I try to gem install ruby-debug-ide, it still failed to build gem native extention:</p>
  
  <pre><code>ERROR:  Error installing ruby-debug-ide-0.6.1.beta2.gem:
          ERROR: Failed to build gem native extension.
  
      C:/Ruby22-x64/bin/ruby.exe mkrf_conf.rb
  Installing base gem
  Unable to resolve dependency: user requested 'debase (&gt; 0)'
  C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/resolver.rb:439:in `resolve_for_zero'
  C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/resolver.rb:350:in `resolve_for'
  C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/resolver.rb:196:in `resolve'
  C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/request_set.rb:358:in `resolve'
  C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/dependency_installer.rb:473:in `resolve_dependencies'
  C:/Ruby22-x64/lib/ruby/2.2.0/rubygems/dependency_installer.rb:373:in `install'
  mkrf_conf.rb:35:in `rescue in &lt;main&gt;'
  mkrf_conf.rb:28:in `&lt;main&gt;'
  
  rake failed, exit code 1
  
  Gem files will remain installed in C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/ruby-debug-ide-0.6.1.beta2 for inspection.
  Results logged to C:/Ruby22-x64/lib/ruby/gems/2.2.0/extensions/x64-mingw32/2.2.0/ruby-debug-ide-0.6.1.beta2/gem_make.out`}
  </code></pre>
  
  <p>I really have installed debase.<br></p>
  
  <pre><code>*** LOCAL GEMS ***
  actioncable (5.0.0.1)
  actionmailer (5.0.0.1)
  actionpack (5.0.0.1)
  actionview (5.0.0.1)
  activejob (5.0.0.1)
  activemodel (5.0.0.1)
  activerecord (5.0.0.1)
  activesupport (5.0.0.1)
  arel (7.1.1)
  bigdecimal (1.2.6)
  builder (3.2.2)
  bundler (1.12.5)
  coffee-rails (4.2.1)
  coffee-script (2.4.1)
  coffee-script-source (1.10.0, 1.8.0)
  concurrent-ruby (1.0.2)
  debase (0.2.2.beta8)
  debase-ruby_core_source (0.9.1)
  debug_inspector (0.0.2)
  erubis (2.7.0)
  execjs (2.7.0)
  globalid (0.3.7)
  httpclient (2.8.2.2)
  i18n (0.7.0)
  io-console (0.4.3)
  jbuilder (2.6.0)
  jquery-rails (4.2.1)
  json (1.8.1)
  loofah (2.0.3)
  mail (2.6.4)
  method_source (0.8.2)
  mime-types (3.1)
  mime-types-data (3.2016.0521)
  mini_portile2 (2.1.0)
  minitest (5.9.0, 5.4.3)
  multi_json (1.12.1)
  nio4r (1.2.1)
  nokogiri (1.6.8 x64-mingw32)
  pkg-config (1.1.7)
  power_assert (0.2.2)
  psych (2.0.8)
  puma (3.6.0)
  rack (2.0.1)
  rack-test (0.6.3)
  rails (5.0.0.1)
  rails-dom-testing (2.0.1)
  rails-html-sanitizer (1.0.3)
  railties (5.0.0.1)
  rake (11.2.2, 10.4.2)
  rdoc (4.2.0)
  sass (3.4.22)
  sass-rails (5.0.6)
  soap4r (1.5.8)
  sprockets (3.7.0)
  sprockets-rails (3.1.1)
  sqlite3 (1.3.11 x64-mingw32)
  test-unit (3.0.8)
  thor (0.19.1)
  thread_safe (0.3.5)
  tilt (2.0.5)
  turbolinks (5.0.1)
  turbolinks-source (5.0.0)
  tzinfo (1.2.2)
  tzinfo-data (1.2016.6)
  uglifier (3.0.1)
  web-console (3.3.1)
  websocket-driver (0.6.4)
  websocket-extensions (0.1.2)
  </code></pre>
  
  <p>What should I do to solve the problem? Do I need to install a specific version of debase?<br>
  Thanks!</p>