#include "src/surf/surf_private.h"
#include "src/surf/host_interface.hpp"
#include "simgrid/sg_config.h"
+#include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(ns3);