title: Getting Error when trying to install json in Ruby on Rails
body: <p>Related Question: <a href="https://stackoverflow.com/questions/31138639/error-error-installing-json-error-failed-to-build-gem-native-extension">ERROR: Failed to build gem native extension</a></p>
  
  <p>I am trying to make ruby on rails (ruby 2.0.0p647 (2015-08-18) [x64-mingw32]) to work on my system.
  I'm running Windows 8.1 (64 bit)</p>
  
  <p>The installation of ruby and rails goes smoothly but when i run <code>rails new blog</code>
  I get the following error:</p>
  
  <pre><code>       Installing json 1.8.3 with native extensions
  
          Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension
          .
          C:/Ruby200-x64/bin/ruby.exe extconf.rb
      creating Makefile
  
      make "DESTDIR="
      generating generator-x64-mingw32.def
      compiling generator.c
      linking shared-object json/ext/generator.so
      c:/ruby200-x64/mingw64/mingw64/bin/../lib64/gcc/x86_64-w64-mingw32/4.8.3/../../.
      ./../x86_64-w64-mingw32/bin/ld.exe: cannot find -lgcc_s
      c:/ruby200-x64/mingw64/mingw64/bin/../lib64/gcc/x86_64-w64-mingw32/4.8.3/../../.
      ./../x86_64-w64-mingw32/bin/ld.exe: cannot find -lgcc_s
      collect2.exe: error: ld returned 1 exit status
      make: *** [generator.so] Error 1
  Gem files will remain installed in C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/json-
  1.8.3 for inspection.
  Results logged to C:/Ruby200-x64/lib/ruby/gems/2.0.0/gems/json-1.8.3/ext/json/ex
  t/generator/gem_make.out
  Using minitest 5.8.3
  Using thread_safe 0.3.5
  Using builder 3.2.2
  Using erubis 2.7.0
  Using mini_portile2 2.0.0
  Using rack 1.6.4
  Using mime-types 2.99
  Using arel 6.0.3
  Installing debug_inspector 0.0.2 with native extensions
  
  Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension
  .
  </code></pre>
  
  <p>I have already tried installing ruby and the development kit 3 times (with different ruby versions)
  I keep getting the same error.</p>
  
  <p>I have tried the solution in the question above. </p>
  
  <p>I get a very similar error:</p>
  
  <pre><code>    C:\Ruby200-x64&gt;gem install --local json-1.8.3.gem
  Temporarily enhancing PATH to include DevKit...
  Building native extensions.  This could take a while...
  ERROR:  Error installing json-1.8.3.gem:
          ERROR: Failed to build gem native extension.
  
      C:/Ruby200-x64/bin/ruby.exe extconf.rb
  creating Makefile
  </code></pre>
  
  <p>I have tried to reinstall ruby with different ruby version (the newest one)
  as well as installing both of the x86 versions of ruby and the development kit which did nothing for me. </p>