diff -Naupr fillets-ng-0.8.1.orig/src/gengine/OptionAgent.cpp fillets-ng-0.8.1/src/gengine/OptionAgent.cpp
--- fillets-ng-0.8.1.orig/src/gengine/OptionAgent.cpp	2008-12-29 11:43:40.000000000 +0100
+++ fillets-ng-0.8.1/src/gengine/OptionAgent.cpp	2009-02-13 21:49:08.168396060 +0100
@@ -26,6 +26,8 @@
 #include <stdlib.h> //getenv
 #include <string.h> //strlen
 #include <locale.h> //setlocale
+#include <cstdlib> //getenv
+#include <climits>
 
 #ifndef LC_MESSAGES
 #define LC_MESSAGES LC_CTYPE
diff -Naupr fillets-ng-0.8.1.orig/src/gengine/StringTool.cpp fillets-ng-0.8.1/src/gengine/StringTool.cpp
--- fillets-ng-0.8.1.orig/src/gengine/StringTool.cpp	2008-08-10 12:00:15.000000000 +0200
+++ fillets-ng-0.8.1/src/gengine/StringTool.cpp	2009-02-13 21:49:08.168396060 +0100
@@ -10,6 +10,7 @@
 
 #include <stdlib.h>
 #include <sstream>
+#include <cstdlib>
 
 //-----------------------------------------------------------------
 /**
diff -Naupr fillets-ng-0.8.1.orig/src/level/Landslip.cpp fillets-ng-0.8.1/src/level/Landslip.cpp
--- fillets-ng-0.8.1.orig/src/level/Landslip.cpp	2008-08-10 12:00:29.000000000 +0200
+++ fillets-ng-0.8.1/src/level/Landslip.cpp	2009-02-13 21:49:08.169395749 +0100
@@ -13,6 +13,8 @@
 
 #include <string.h>
 
+#include <cstring>
+
 //-----------------------------------------------------------------
     Landslip::Landslip(const ModelList &models)
 : m_models(models)