On Sat, Feb 4, 2012 at 4:24 PM, kristy snow <kristysnow@gmail.com> wrote:

> could not find gem ' turn <>= 0> x86-mingw32' in any of the gem
> sources listed in your Gemfile.
>

turn gem has nothing to do with ffi (Ruby-FFI) project or gem, so you
posting here seems unrelated.

Turn does exist in rubygems.org:

http://rubygems.org/gems/turn

So perhaps you're having internet connection issues when you did
"bundle install"

> Says to run bundle install.
>

I think the message is pretty clear, you need to run "bundle install"

> After bundle install I get failed to build gem native extension
> An error occured while installing json 1.6.5 and bundler can't
> continue.
>

json gem has nothing to do with Ruby-FFI project.

> 1- I installed mingw and it didn't help
> 2- I installed devkit and still not working

I believe I did mention this all over the place in your threads at
RailsInstaller group: please include exact output you get at the
console.

You're definitely not cooperating and providing us enough information
to help you. This is the 3rd time I share this link with you:

http://yourbugreportneedsmore.info/
http://yourbugreportneedsmore.info/tatham/en.html

Please, read these pages, they will explain you how to better ask
question when you're having problems and provide us contextual
information to better assist you.
-- 
Luis Lavena
AREA 17
-
Perfection in design is achieved not when there is nothing more to add,
but rather when there is nothing more to take away.
Antoine de Saint-Exupéry