Hi I tried to install fxri, but got an error; did I do something wrong?: >sudo gem install fxri Attempting local installation of 'fxri' Local gem file not found: fxri*.gem Attempting remote installation of 'fxri' Updating Gem source index for: http://gems.rubyforge.org Install required dependency fxruby? [Yn] Select which gem to install for your platform (i686-linux) 1. fxruby 1.2.3 (mswin32) 2. fxruby 1.2.3 (ruby) 3. fxruby 1.2.2 (ruby) 4. fxruby 1.2.2 (mswin32) 5. fxruby 1.2.1 (mswin32) 6. fxruby 1.2.1 (ruby) 7. Cancel installation > 2 Building native extensions. This could take a while... extconf.rb:30:in `find_installed_fox_version': couldn't find FOX header files (RuntimeError) from extconf.rb:155 ERROR: While executing gem ... (RuntimeError) ERROR: Failed to build gem native extension. Gem files will remain installed in /usr/local/lib/ruby/gems/1.8/gems/fxruby-1.2.3 for inspection. ruby extconf.rb install fxri\n Results logged to /home/local/lib/ruby/gems/1.8/gems/fxruby-1.2.3/ext/fox12/gem_make.out > -- Wybo