Disable optional dependence on Apache xmlrpc2 JSAMP has an optional dependency on Apache XML-RPC version 2. As of 2016, Debian ships with XML-RPC version 3. Based on feedback from the upstream Mark Taylor the XML-RPC is optional, and is dynamically checked at run-time, with normal fallback to JSAMP's normal internal RPC is available. Disabling compilation does not lead to a loss of functionality; removes the need to port to XML RPC 3, and removes a large number of dependencies: