From: Lyle Johnson <lyle.johnson@...>
Date: 2007-07-28T14:21:45+09:00
Subject: Re: issue with gem


On Jul 27, 2007, at 10:01 PM, Simon Schuster wrote:

> whenever I install something via gem which presents a menu of options
> to me (versions, and 'ruby' vs 'mswin32' , I make my selection and it
> gives me this:
>
>> 1
> Building native extensions.  This could take a while...
> extconf.rb:4:in `require': no such file to load -- mkmf (LoadError)
>         from extconf.rb:4

The "mkmf" library is part of the standard Ruby library; this error  
message suggests that you have an incomplete Ruby installation. Can  
you tell us some more about what operating system you're running, and  
how you installed Ruby?