--- valkyrie-2.0.0/src/objects/tool_object.cpp	2013-01-01 22:43:32.842805727 +0100
+++ valkyrie-2.0.0/src/objects/tool_object.cpp	2013-01-01 22:43:37.202805782 +0100
@@ -61,6 +61,7 @@ stopProcess()
 #include "utils/vglogreader.h"
 #include "options/vk_option.h"   // PERROR* and friends
 //#include "vk_file_utils.h"       // FileCopy()
+#include <unistd.h>
 
 #include <QApplication>
 #include <QDir>
--- valkyrie-2.0.0/src/utils/vk_utils.cpp	2013-01-01 22:44:07.552806166 +0100
+++ valkyrie-2.0.0/src/utils/vk_utils.cpp	2013-01-01 22:44:17.202806289 +0100
@@ -28,6 +28,7 @@ 
 #include <QFileInfo>
 #include <QRegExp>
 #include <QString>
+#include <unistd.h>
 
 /*
 #include <stdlib.h>                 // mkstemp()
--- valkyrie-2.0.0/src/utils/vk_config.cpp	2013-01-01 22:44:31.682806472 +0100
+++ valkyrie-2.0.0/src/utils/vk_config.cpp	2013-01-01 22:44:39.002806564 +0100
@@ -34,6 +34,7 @@ 
 #include <QPoint>
 #include <QSize>
 #include <QStringList>
+#include <unistd.h>