Ruber don't start - ruby

Question

When I run ruber on console i got this information:
`require': cannot load such file -- korundum4 (LoadError)
I have installed korundum4 and any other ruby bindings. I use rvm.
I use: Kubuntu 12.04
On IRB is the same error, when I require "korundum4".
My $LOAD_PATH for system:
["/usr/local/lib/site_ruby/1.9.1", "/usr/local/lib/site_ruby/1.9.1/x86_64-linux", "/usr/local/lib/site_ruby", "/usr/lib/ruby/vendor_ruby/1.9.1", "/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux", "/usr/lib/ruby/vendor_ruby", "/usr/lib/ruby/1.9.1", "/usr/lib/ruby/1.9.1/x86_64-linux"]

Answer 1

So as you see, Ruby loads gems that are installed inside RVM. If you want to run your app with system wide libraries you need to switch RVM to system Ruby using:
$ rvm use system
or read this https://rvm.io/integration/qtruby/ how to integrate QtRuby int RVM (I don't tested this).

Answer 2

I found better solution:
gem install qtbindings
Works with Qt4 and rvm.
My new great solution:
dependencies.sh
#!/bin/bash
if [[ $USER -eq 'root' ]]; then
exit 1
fi
sudo apt-get install libqt4-core libqt4-dev automoc ruby2.0-dev
wget http://rubyforge.org/frs/download.php/71843/qt4-qtruby-2.1.0.tar.gz
tar -xvzf qt4-qtruby-2.1.0.tar.gz
cd qt4-qtruby-2.1.0
rvm install 2.0.0
rvm use 2.0.0
rvm gemset gui
rvm use 2.0.0#gui
sed 's/Config::/RbConfig::/' cmake/modules/FindRuby.cmake > cmake/modules/FindRuby.cmake1
sed 's/ruby19/ruby19 ruby2 ruby20 ruby200 ruby2.0/' cmake/modules/FindRuby.cmake1 > cmake/modules/FindRuby.cmake2
mv cmake/modules/FindRuby.cmake2 cmake/modules/FindRuby.cmake
sed 's/Config::/RbConfig::/' cmake/modules/FindRUBY.cmake > cmake/modules/FindRUBY.cmake1
sed 's/ruby19/ruby19 ruby2 ruby20 ruby200 ruby2.0/' cmake/modules/FindRUBY.cmake1 > cmake/modules/FindRUBY.cmake2
mv cmake/modules/FindRUBY.cmake2 cmake/modules/FindRUBY.cmake
mkdir build
cd build
cmake ..
make
sudo make install
sudo ldconfig /usr/local/lib
sudo chown -R $USER:$USER $MY_RUBY_HOME
cd ../..
And after that you can do:
app.rb
require 'rubygems'
require 'eventmachine'
require 'Qt4'
app = Qt::Application.new(ARGV)
hello_button = Qt::PushButton.new("Hello EventMachine")
hello_button.resize(100,20)
hello_button.show
EventMachine.run do
EM.add_periodic_timer(0.01) do
app.process_events
end
end
Gemfile
source 'http://rubygems.org'
gem 'eventmachine'
This way you can use ruby 2.0.0 with smoke and Qt4.