config.ru in rubycas-server-1.0.1 vs config.ru in rubycas-server-1.1.0

@@ -1,6 +1,12 @@
 require 'rubygems'
-require 'bundler/setup'
+
+# Assume all necessary gems are in place if bundler is not installed.
+begin
+  require 'bundler/setup'
+rescue LoadError => e
+  raise e unless e.message =~ /no such file to load -- bundler/
+end
 
 $:.unshift "#{File.dirname(__FILE__)}/lib"
 require "casserver"
 
 use Rack::ShowExceptions