Looks like you are missing the tools to build the extensions. If you are on a Debain based distro, try
sudo apt-get install build-essential If that doesn't work, search for guides on installing rails on Debian systems. On Sat, Feb 20, 2010 at 7:39 AM, Karthikeyan <[email protected]> wrote: > Hello Rails, I have a problem. > > I would like to use captcha in one of my project. When I did try to > install, this is what I got > > $ sudo gem install captcha > Building native extensions. This could take a while... > ERROR: Error installing captcha: > ERROR: Failed to build gem native extension. > > /usr/bin/ruby1.8 extconf.rb > extconf.rb:1:in `require': no such file to load -- mkmf (LoadError) > from extconf.rb:1 > > > Gem files will remain installed in /var/lib/gems/1.8/gems/ > rmagick-2.12.2 for inspection. > Results logged to /var/lib/gems/1.8/gems/rmagick-2.12.2/ext/RMagick/ > gem_make.out > > Could any one help me out on this? > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- Curtis Cooley [email protected] home:http://curtiscooley.com blog:http://ponderingobjectorienteddesign.blogspot.com =============== Leadership is a potent combination of strategy and character. But if you must be without one, be without the strategy. -- H. Norman Schwarzkopf -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
