merb.rb

To configure Merb to use compass do the following: Merb::BootLoader.after_app_loads do

  require 'merb-haml'
  require 'compass'

end

To use a different sass stylesheets locations as is recommended by compass add this configuration to your configuration block:

Merb::Config.use do |c|

  c[:compass] = {
    :stylesheets => 'app/stylesheets',
    :compiled_stylesheets => 'public/stylesheets/compiled'
  }

end

Required files