# File rubygems/ext/configure_builder.rb, line 10
def self.build(extension, dest_path, results, args=[], lib_dir=nil)
  unless File.exist?('Makefile')
    cmd = "sh ./configure --prefix=#{dest_path}"
    cmd << " #{args.join ' '}" unless args.empty?
    run cmd, results
  end
  make dest_path, results
  results
end