--- qtsingleapplication/src/qtlocalpeer.cpp.orig	2012-07-19 15:01:51.610446745 +0000
+++ qtsingleapplication/src/qtlocalpeer.cpp	2012-07-19 15:01:10.499880379 +0000
@@ -49,6 +49,7 @@
 static PProcessIdToSessionId pProcessIdToSessionId = 0;
 #endif
 #if defined(Q_OS_UNIX)
+#include <unistd.h>
 #include <time.h>
 #endif
 
--- processwrapper.cc.orig	2012-07-19 14:59:46.495424725 +0000
+++ processwrapper.cc	2012-07-19 15:00:07.155695828 +0000
@@ -94,6 +94,8 @@
 
 #else
 
+#include <unistd.h>
+
 unsigned int ProcessWrapper::currentProcessId()
 {
     return getpid();