# File lib/phusion_passenger/platform_info/apache.rb, line 127
        def self.httpd_architecture_bits(options = nil)
                if options
                        httpd = options[:httpd] || self.httpd(options)
                else
                        httpd = self.httpd
                end
                if httpd
                        `#{httpd} -V` =~ %r{Architecture:(.*)}
                        text = $1
                        if text =~ /32/
                                return 32
                        elsif text =~ /64/
                                return 64
                        else
                                return nil
                        end
                else
                        return nil
                end
        end