#ifdef HAVE_MC
extern int _sg_do_model_check; /* please don't use directly: we inline MC_is_active, but that's what you should use */
+extern int _sg_mc_visited;
#define MC_is_active() _sg_do_model_check
+#define MC_visited_reduction() _sg_mc_visited
XBT_PUBLIC(void) MC_assert(int);
XBT_PUBLIC(int) MC_random(int min, int max);
#define MC_assert(a) xbt_assert(a)
#define MC_is_active() 0
+#define MC_visited_reduction() 0
#endif