--- misc/boost_1_44_0/boost/utility/compare_pointees.hpp	2011-02-10 16:39:05.960176555 +0000
+++ misc/build/boost_1_44_0/boost/utility/compare_pointees.hpp	2011-02-10 16:40:59.091423279 +0000
@@ -29,7 +29,11 @@
 inline
 bool equal_pointees ( OptionalPointee const& x, OptionalPointee const& y )
 {
-  return (!x) != (!y) ? false : ( !x ? true : (*x) == (*y) ) ;
+  if (!x && !y)
+    return true;
+  if (!x || !y)
+    return false;
+  return (*x) == (*y);
 }
 
 template<class OptionalPointee>
--- misc/boost_1_44_0/boost/spirit/home/classic/core/primitives/impl/numerics.ipp	2011-03-02 12:22:47.222870106 +0000
+++ misc/build/boost_1_44_0/boost/spirit/home/classic/core/primitives/impl/numerics.ipp	2011-03-02 12:22:47.222870106 +0000
@@ -219,6 +219,20 @@
             }
         };
 
+        template <int Radix>
+        struct negative_accumulate<unsigned char, Radix>
+        {
+            //  Use this accumulator if number is negative
+            static bool add(unsigned char& n, unsigned digit)
+            {
+                n *= Radix;
+                if (n < digit)
+                    return false;
+                n -= digit;
+                return true;
+            }
+        };
+
         template <int MaxDigits>
         inline bool allow_more_digits(std::size_t i)
         {
--- misc/boost_1_44_0/boost/optional/optional.hpp	2011-04-05 13:19:01.223587256 +0100
+++ misc/build/boost_1_44_0/boost/optional/optional.hpp	2011-04-05 13:19:01.223587256 +0100
@@ -31,6 +31,8 @@
 
 #include "boost/optional/optional_fwd.hpp"
 
+#include <string.h>
+
 #if BOOST_WORKAROUND(BOOST_MSVC, == 1200)
 // VC6.0 has the following bug:
 //   When a templated assignment operator exist, an implicit conversion
@@ -114,6 +116,11 @@
 
   public:
 
+    aligned_storage()
+    {
+      memset(&dummy_, 0, sizeof(dummy_));
+    }
+
     void const* address() const { return &dummy_.data[0]; }
     void      * address()       { return &dummy_.data[0]; }
 } ;