# File src/ruby_supportlib/phusion_passenger/platform_info/apache.rb, line 540
    def self.apache2_sbindir(options = {})
      apxs2 = options[:apxs2] || self.apxs2
      if apxs2.nil?
        return nil
      else
        return `#{apxs2} -q SBINDIR`.strip
      end
    end