From: "Darryl L. Pierce" <mcpierce@...>
Date: 2011-09-15T20:21:55+09:00
Subject: Re: problem installing gems

On Thu, Sep 15, 2011 at 08:06:31PM +0900, Mario Ruiz wrote:
> I cannot install gem files on windows 7 running ruby 1.8.7
> I tried to install watir-webdriver -v0.3.3 or selenium-webdriver -v0.2.2
> but I got this message:
> 
> Building native extensions.  This could take a while...
> ERROR:  Error installing watir-webdriver:
>         ERROR: Failed to build gem native extension.
> 
>         c:/ruby/bin/ruby.exe extconf.rb
> checking for rb_thread_blocking_region()... no
> checking for ruby_thread_has_gvl_p()... no
> checking for ruby_native_thread_p()... no
> checking for rb_thread_call_with_gvl()... no
> creating extconf.h
> creating Makefile
> 
> nmake
> 'nmake' is not recognized as an internal or external command,
> operable program or batch file.

nmake is the Micorosoft Visual Studio make tool. Do you have Visual
Studio installed?

-- 
Darryl L. Pierce <mcpierce@gmail.com>
http://mcpierce.multiply.com/
"What do you care what people think, Mr. Feynman?"