-$ msg/get_sender msg/get_sender.xml
+$ msg/get_sender ${srcdir:=.}/msg/get_sender.xml
> [toto:send:(1) 0.000000] [test/INFO] Sending
> [toto:receive:(2) 0.000000] [test/INFO] Receiving
> [toto:receive:(2) 0.000000] [test/INFO] Got a message sent by 'send'