diff -r ab201a62d115 -r 70a586fc76fd QTfrontend/main.cpp
--- a/QTfrontend/main.cpp	Sun Mar 10 08:49:40 2013 +0400
+++ b/QTfrontend/main.cpp	Sun Mar 10 11:29:00 2013 +0100
@@ -42,9 +42,6 @@
 #elif defined __APPLE__
 #include "CocoaInitializer.h"
 #endif
-#ifndef _WIN32
-#include <signal.h>
-#endif
 
 // Program resources
 #ifdef __APPLE__