Upon cloning my first Rails 3.1.1 app, my first bundle install choked on the eventmachine 0.12.10 gem. (I'm running Windows 7 32 bit)

I'm also using gem 'thin' as well.

I found this post that had the same problem.

[Which version of eventmachine is able to work in windows?](https://stackoverflow.com/questions/7659821/which-version-of-eventmachine-is-able-to-work-in-windows)

Which I integrated with this line in my gemfile:

```
gem "eventmachine", ">= 1.0.0.beta"

```

That allowed the bundle install to run but when I start the rails server I get a Ruby popup with the header ruby.exe - System Error and the text

```
The program can't start because libgcc_s_sjlj-1.dll is missing from your computer.  Try reinstalling the program to fix this problem.

```

After I click OK I get this message in the console

```
Unable to load the EventMachine C extension; To use the pure-ruby reactor, require 'em/pure_ruby'

```

followed by a long stack trace (request to see if you think this will help).

I see that EventMachine gem requires a C++ compiler. I reinstalled MinGW on my 32 bit Windows 7 machine and I added MinGW\bin to my PATH variable. 

But when I look into that bin folder, the file libgcc\_s\_sjlj-1.dll isn't there and the same error message persists. I found this thread about the lack of that folder from 2009 but I'm not really sure what to do about it.

<http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=539033>

Thanks for any help you can give me.