Error while installing juggernaut gem


#1

Hi,

I have tried to install juggernaut gem using the command

gem install juggernaut

and got the following error

D:\Sreejith\Ruby1\ruby>gem install juggernaut
Building native extensions. This could take a while…
ERROR: Error installing juggernaut:
ERROR: Failed to build gem native extension.

D:/Sreejith/Ruby1/ruby/bin/ruby.exe extconf.rb install juggernaut
checking for windows.h… no

nmake

Microsoft ® Program Maintenance Utility Version 1.50
Copyright © Microsoft Corp 1988-94. All rights reserved.

    cl -I. -I. -ID:/Sreejith/Ruby1/ruby/lib/ruby/1.8/i386-mswin32

-I. -MD -Z
i -O2b2xg- -G6 -DHAVE_WINDOWS_H -DHAVE_WINSOCK_H -D OS_WIN32 -D
BUILD_FOR_RUBY
-EHs -GR -D WITHOUT_SSL -c -Tpbinder.cpp
‘cl’ is not recognized as an internal or external command,
operable program or batch file.
NMAKE : fatal error U1077: ‘C:\WINDOWS\system32\cmd.exe’ : return code
‘0x1’
Stop.

Gem files will remain installed in
D:/Sreejith/Ruby1/ruby/lib/ruby/gems/1.8/gems
/eventmachine-0.12.2 for inspection.
Results logged to
D:/Sreejith/Ruby1/ruby/lib/ruby/gems/1.8/gems/eventmachine-0.1
2.2/ext/gem_make.out

I have tried to install nmake and failed. How is it done ?
Could you please help me to solve it out.