module RSpec

def self.configuration
  if block_given?
    RSpec.warn_deprecation <<-WARNING
***************************************************************
PRECATION WARNING
RSpec.configuration with a block is deprecated and has no effect.
please use RSpec.configure with a block instead.
lled from #{CallerFilter.first_non_rspec_line}
***************************************************************
RNING
  end
  @configuration ||= RSpec::Core::Configuration.new
end