X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e058e06362ce27135c41d3657840f9fd78667687..68ab9952e7c108fba4e3163f5fa0446bc817b207:/include/xbt/signal.hpp

diff --git a/include/xbt/signal.hpp b/include/xbt/signal.hpp
index de3c031317..26bd2df57f 100644
--- a/include/xbt/signal.hpp
+++ b/include/xbt/signal.hpp
@@ -6,7 +6,8 @@
 #ifndef SIMGRID_XBT_SIGNAL_HPP
 #define SIMGRID_XBT_SIGNAL_HPP
 
-#ifdef SIMGRID_HAVE_LIBSIG
+#include "simgrid_config.h"
+#if SIMGRID_HAVE_LIBSIG
 #include <sigc++/sigc++.h>
 #else
 #include <boost/signals2.hpp>
@@ -15,7 +16,7 @@
 namespace simgrid {
 namespace xbt {
 
-#ifdef SIMGRID_HAVE_LIBSIG
+#if SIMGRID_HAVE_LIBSIG
 
   // Wraps sigc++ signals with the interface of boost::signals2:
   template<class T> class signal;
@@ -55,4 +56,4 @@ namespace xbt {
 }
 }
 
-#endif
\ No newline at end of file
+#endif