installation problems

[J]

Hello,

I am having difficulties with the installation of the ruby gems
section. This is my first time using ruby, so I am pretty lost.

when i try to install the ferret gem I get a message saying:

C:\Ruby>gem install ferret
Building native extensions. This could take a while...
ERROR: Error installing ferret:
ERROR: Failed to build gem native extension.

C:/Ruby/bin/ruby.exe extconf.rb install ferret
creating Makefile

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


Gem files will remain installed in C:/Ruby/lib/ruby/gems/1.8/gems/
ferret-0.11.6
for inspection.
Results logged to C:/Ruby/lib/ruby/gems/1.8/gems/ferret-0.11.6/ext/
gem_make.out



I am not sure how to fix this and install ferret.

please help!
Jean


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[Ricardo]

You must to install ruby-dev (for Linux) !!