From: Eric Hodel <drbrain@...7.net>
Date: 2009-04-28T07:01:57+09:00
Subject: Re: Gem install puzzlet

On Apr 27, 2009, at 12:37, Pito Salas wrote:
>> qtruby4 (1.4.9)
>>    Platform: mswin32
>>    Author:
>>    Rubyforge: http://rubyforge.org/projects/qtruby
>>    Homepage: http://rubyforge.org/projects/korundum/
>>
>>    Provides Qt bindings for Ruby programs.
>> $
>>
>> Check `gem env` to see if you have mswin32 as a platform.
>
> Implying that Qtruby4 only works with mswin32? 'Cause I m on mac os  
> x :)

Apparently the gem author didn't bother to release a source-only gem.   
Why not check the rubyforge project or homepage above.