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

[simgrid.git] / src / msg / msg_environment.cpp

diff --git a/src/msg/msg_environment.cpp b/src/msg/msg_environment.cpp
index e7bd23f..2b19c76 100644 (file)
--- a/src/msg/msg_environment.cpp
+++ b/src/msg/msg_environment.cpp
@@ -11,7 +11,7 @@
 #include "simgrid/s4u/As.hpp"
 #include "simgrid/s4u/engine.hpp"
 
-#ifdef HAVE_LUA
+#if HAVE_LUA
 #include <lua.h>
 #include <lauxlib.h>
 #include <lualib.h>