From: Justin Collins <justincollins@...>
Date: 2009-04-30T05:05:52+09:00
Subject: Re: (mandriva,eclipse) ruby debug gem installation fails

Olivier Lolveley wrote:
> hello,
>
> I have a problem while installing a gem for the debugging with eclipse.
> I'm on mandriva 2009, here is the error message:
>
> *******************************************
> [root@localhost lolveley]# gem install ruby-debug
> Bulk updating Gem source index for: http://gems.rubyforge.org
> Building native extensions.  This could take a while...
> ERROR:  Error installing ruby-debug:
>   ERROR: Failed to build gem native extension.
>
> /usr/bin/ruby extconf.rb install ruby-debug
> mkmf.rb can't find header files for ruby at /usr/lib/ruby/ruby.h
>
>
> Gem files will remain installed in
> /usr/lib/ruby/gems/1.8/gems/linecache-0.43 for inspection.
> Results logged to
> /usr/lib/ruby/gems/1.8/gems/linecache-0.43/ext/gem_make.out
>
> *******************************************
>
> do you know from where it is coming?
>
>
> lolveley.
>   

You need the Ruby header files:
sudo urpmi ruby-dev

-Justin