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

[simgrid.git] / include / simgrid / modelchecker.h

diff --git a/include/simgrid/modelchecker.h b/include/simgrid/modelchecker.h
index da3d831..a401b7a 100644 (file)
--- a/include/simgrid/modelchecker.h
+++ b/include/simgrid/modelchecker.h
@@ -26,7 +26,7 @@ SG_BEGIN_DECL()
 
 XBT_PUBLIC(int) MC_random(int min, int max);
 
-#ifdef HAVE_MC
+#if HAVE_MC
 
 /* Internal variable used to check if we're running under the MC
  *