--- a/QTfrontend/HWApplication.cpp	Sun Mar 10 08:49:40 2013 +0400
+++ b/QTfrontend/HWApplication.cpp	Sun Mar 10 11:29:00 2013 +0100
@@ -21,8 +21,10 @@
 
 #include "hwform.h"
 #include "MessageDialog.h"
+
+#if !defined(Q_WS_WIN)
 #include "signal.h"
-
+#endif
 
 #if !defined(Q_WS_WIN)
 void terminateFrontend(int signal)