Index: files/configure.ac
===================================================================
--- files.orig/openvswitch/configure.ac	2014-03-26 16:49:44.000000000 +0200
+++ files/openvswitch/configure.ac	2014-04-18 16:47:28.163114309 +0300
@@ -47,6 +47,7 @@
 AC_SEARCH_LIBS([clock_gettime], [rt])
 AC_SEARCH_LIBS([timer_create], [rt])
 AC_SEARCH_LIBS([pthread_sigmask], [pthread])
+AC_SEARCH_LIBS([dlopen], [dl])
 AC_FUNC_STRERROR_R
 
 OVS_CHECK_ESX