From: Kouhei Sutou Date: 2013-05-22T21:50:39+09:00 Subject: Re: How to run shoes built via gem Hi, In "Re: How to run shoes built via gem" on Wed, 22 May 2013 21:46:38 +0900, Ruby Student wrote: > [root@oc5204722173 tmp]# ruby test.rb > /usr/local/lib/ruby/gems/1.9.1/gems/gtk2-1.2.1/lib/gtk2/base.rb:20:in ` (required)>': undefined method `prepend_environment_path' for GLib:Module > (NoMethodError) It seems that you use different version of glib2 gem and gtk2 gem. Could you show the output of the following commands? # gem list glib2 # gem list gtk2 "gem clean" may solve your problem. Thanks, -- kou