From: Ryan Davis <ryand-ruby@...>
Date: 2010-04-15T03:05:27+09:00
Subject: Re: Gem help


On Apr 13, 2010, at 11:58 , H- 16 wrote:

>> ...
>> creating Makefile
>> 
>> nmake
>> 'nmake' is not recognized as an internal or external command,
>> operable program or batch file.
>> ...

You don't have nmake and, presumably, a compiler to build C extensions.

(or you do and you need to fix your PATH)