diff -u qp8.5.orig/src/pedro_env.cc qp8.5/src/pedro_env.cc
--- qp8.5.orig/src/pedro_env.cc	2008-06-17 10:16:59.000000000 +1200
+++ qp8.5/src/pedro_env.cc	2008-07-02 18:55:38.000000000 +1200
@@ -1,4 +1,4 @@
-
+#include <algorithm>
 #include <string>
 #include <sstream>
 #include <stdio.h>
diff -u qp8.5.orig/src/system_support.cc qp8.5/src/system_support.cc
--- qp8.5.orig/src/system_support.cc	2008-06-17 10:16:59.000000000 +1200
+++ qp8.5/src/system_support.cc	2008-07-02 18:56:42.000000000 +1200
@@ -60,6 +60,7 @@
 
 // PORT
 #include "system_support.h"
+#include <cstdlib>
 #include <iostream>
 using namespace std;