diff -up ./c++/drivers/base/src/SickBufferMonitor.hh.fixbuild ./c++/drivers/base/src/SickBufferMonitor.hh
--- ./c++/drivers/base/src/SickBufferMonitor.hh.fixbuild	2012-06-05 00:29:35.811240422 -0400
+++ ./c++/drivers/base/src/SickBufferMonitor.hh	2012-06-05 00:29:47.618715078 -0400
@@ -19,6 +19,7 @@
 /* Dependencies */
 #include <iostream>
 #include <pthread.h>
+#include <unistd.h>
 #include "SickException.hh"
 
 /* Associate the namespace */
diff -up ./c++/drivers/base/src/SickLIDAR.hh.fixbuild ./c++/drivers/base/src/SickLIDAR.hh
--- ./c++/drivers/base/src/SickLIDAR.hh.fixbuild	2012-06-05 00:30:27.465333978 -0400
+++ ./c++/drivers/base/src/SickLIDAR.hh	2012-06-05 00:30:48.265187681 -0400
@@ -31,6 +31,7 @@
 #define SICK_LIDAR
 
 /* Definition dependencies */
+#include <unistd.h>
 #include <new>
 #include <string>
 #include <iomanip>