I am new at RoR, I am trying to do “gem install juggernaut”, this
requires json and event machine. I have successfully installed event
machine, but when I am trying to install juggernaut or json, this is
C:\Users\aabraham>gem install juggernaut
Install required dependency json? [Yn] Y
Building native extensions. This could take a while…
ERROR: While executing gem … (Gem::Installer::ExtensionBuildError)
ERROR: Failed to build gem native extension.
ruby extconf.rb install juggernaut
‘nmake’ is not recognized as an internal or external command,
operable program or batch file.
Gem files will remain installed in D:/RubyNew/ruby/lib/ruby/gems/1.8/
.1.3 for inspection.
Results logged to D:/RubyNew/ruby/lib/ruby/gems/1.8/gems/json-1.1.3/
Can someone please help me on this?