Index: Modules/FindXMLRPC.cmake
--- Modules/FindXMLRPC.cmake.orig
+++ Modules/FindXMLRPC.cmake
@@ -98,6 +98,8 @@ if(XMLRPC_C_FOUND)
       endif()
     endforeach()
 
+    set(XMLRPC_LIBRARY_DIRS ${XMLRPC_LIBRARY_DIRS} "/usr/lib")
+
     # Search for each library needed using the directories given.
     foreach(name ${XMLRPC_LIBRARY_NAMES})
       # Look for this library.