Less on Rails with V8 (CRuby) or Rhino (JRuby)

Gemfile

group :assets do
  #gem 'sass-rails',   '~> 3.1.4'
  #gem 'coffee-rails', '~> 3.1.1'
  #gem 'uglifier', '>= 1.0.3'
  
  gem 'less', :git => 'git://github.com/kares/less.rb.git', :submodules => true
  gem 'less-rails', '>= 2.2.1'
  gem 'less-rails-bootstrap' # optional
  
  gem 'therubyracer', :platforms => :ruby
  gem 'therubyrhino', :platforms => :jruby
end