diff -baur vigra-1.7.1.old/include/vigra/random_forest.hxx vigra-1.7.1/include/vigra/random_forest.hxx

--- vigra-1.7.1.old/include/vigra/random_forest.hxx	2010-12-03 17:40:34.000000000 +0000

+++ vigra-1.7.1/include/vigra/random_forest.hxx	2011-01-28 00:16:32.000000000 +0000

@@ -43,6 +43,7 @@

 #include <set>

 #include <list>

 #include <numeric>

+#include <stddef.h>

 #include "mathutil.hxx"

 #include "array_vector.hxx"

 #include "sized_int.hxx"

diff -baur vigra-1.7.1.old/include/vigra/sifImport.hxx vigra-1.7.1/include/vigra/sifImport.hxx

--- vigra-1.7.1.old/include/vigra/sifImport.hxx	2010-12-03 17:40:34.000000000 +0000

+++ vigra-1.7.1/include/vigra/sifImport.hxx	2011-01-28 00:23:31.000000000 +0000

@@ -57,6 +57,7 @@

 #include <fstream>

 #include <cstring>

 #include <vector> 

+#include <stddef.h>

 #include "vigra/multi_array.hxx"

 namespace vigra {

diff -baur vigra-1.7.1.old/include/vigra/multi_iterator.hxx vigra-1.7.1/include/vigra/multi_iterator.hxx

--- vigra-1.7.1.old/include/vigra/multi_iterator.hxx	2010-12-03 17:40:34.000000000 +0000

+++ vigra-1.7.1/include/vigra/multi_iterator.hxx	2011-01-28 00:23:31.000000000 +0000

@@ -41,6 +41,7 @@

 #define VIGRA_MULTI_ITERATOR_HXX

 #include <sys/types.h>

+#include <stddef.h>

 #include "tinyvector.hxx"

 #include "iteratortags.hxx"