-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;
+#include <simgrid_config.h> /* SIMGRID_HAVE_MC ? */
+
+#include <xbt/base.h>
+
+SG_BEGIN_DECL()
+
+XBT_PUBLIC(int) MC_random(int min, int max);
+
+#if SIMGRID_HAVE_MC
+
+/* Internal variable used to check if we're running under the MC
+ *
+ * Please don't use directly: you should use MC_is_active. */
+extern XBT_PUBLIC(int) _sg_do_model_check;
+extern XBT_PUBLIC(int) _sg_mc_max_visited_states;