--- 3rdparty/qtsingleapplication-2.6_1-opensource/src/qtlocalpeer.cpp.ori	2012-04-27 20:04:37.206949322 +0200
+++ 3rdparty/qtsingleapplication-2.6_1-opensource/src/qtlocalpeer.cpp	2012-04-27 20:04:53.411558493 +0200
@@ -57,6 +57,7 @@
 #endif
 #if defined(Q_OS_UNIX)
 #include <time.h>
+#include <unistd.h>
 #endif
 
 namespace QtLP_Private {