diff -Nru libdbus-c++-0.9.0.orig/include/dbus-c++/eventloop-integration.h libdbus-c++-0.9.0/include/dbus-c++/eventloop-integration.h
--- libdbus-c++-0.9.0.orig/include/dbus-c++/eventloop-integration.h	2011-11-28 16:03:19.000000000 +0100
+++ libdbus-c++-0.9.0/include/dbus-c++/eventloop-integration.h	2012-09-03 16:48:22.334507821 +0200
@@ -26,6 +26,7 @@
 #define __DBUSXX_EVENTLOOP_INTEGRATION_H
 
 #include <errno.h>
+#include <unistd.h>
 #include "api.h"
 #include "dispatcher.h"
 #include "util.h"