use #if instead if #ifdef for the things in the public config header

[simgrid.git] / src / simix / smx_private.h

diff --git a/src/simix/smx_private.h b/src/simix/smx_private.h
index ccd2436..938b5d4 100644 (file)
--- a/src/simix/smx_private.h
+++ b/src/simix/smx_private.h
@@ -154,7 +154,7 @@ typedef struct s_smx_synchro {
       e_smx_comm_type_t type;         /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
       smx_mailbox_t rdv;                  /* Rendez-vous where the comm is queued */
 
-#ifdef HAVE_MC
+#if HAVE_MC
       smx_mailbox_t rdv_cpy;              /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
                                          (comm.rdv set to NULL when the communication is removed from the mailbox
                                          (used as garbage collector)) */