diff -up ntl-5.4.2/src/WordVector.c.gcc44 ntl-5.4.2/src/WordVector.c
--- ntl-5.4.2/src/WordVector.c.gcc44	2008-03-04 17:35:01.000000000 -0600
+++ ntl-5.4.2/src/WordVector.c	2009-03-02 08:25:20.000000000 -0600
@@ -3,6 +3,8 @@
 
 #include <NTL/new.h>
 
+#include <cstdio>
+
 NTL_START_IMPL
 
 
diff -up ntl-5.4.2/src/GF2EX.c.gcc44 ntl-5.4.2/src/GF2EX.c
diff -up ntl-5.4.2/src/GF2X.c.gcc44 ntl-5.4.2/src/GF2X.c
--- ntl-5.4.2/src/GF2X.c.gcc44	2008-03-04 17:35:01.000000000 -0600
+++ ntl-5.4.2/src/GF2X.c	2009-03-02 08:32:09.000000000 -0600
@@ -4,6 +4,8 @@
 
 #include <NTL/new.h>
 
+#include <cstdio>
+
 NTL_START_IMPL
 
 long GF2X::HexOutput = 0;
diff -up ntl-5.4.2/src/newnames.c.gcc44 ntl-5.4.2/src/newnames.c
diff -up ntl-5.4.2/src/vec_GF2.c.gcc44 ntl-5.4.2/src/vec_GF2.c
--- ntl-5.4.2/src/vec_GF2.c.gcc44	2008-03-04 17:35:01.000000000 -0600
+++ ntl-5.4.2/src/vec_GF2.c	2009-03-02 08:31:48.000000000 -0600
@@ -3,6 +3,8 @@
 
 #include <NTL/new.h>
 
+#include <cstdio>
+
 NTL_START_IMPL
 
 void vec_GF2::SetLength(long n)
diff -up ntl-5.4.2/src/tools.c.gcc44 ntl-5.4.2/src/tools.c
--- ntl-5.4.2/src/tools.c.gcc44	2008-03-04 17:35:01.000000000 -0600
+++ ntl-5.4.2/src/tools.c	2009-03-02 08:31:20.000000000 -0600
@@ -5,6 +5,8 @@
 
 #include <NTL/new.h>
 
+#include <cstdio>
+
 NTL_START_IMPL
 
 
diff -up ntl-5.4.2/include/NTL/vector.h.gcc44 ntl-5.4.2/include/NTL/vector.h
--- ntl-5.4.2/include/NTL/vector.h.gcc44	2008-03-04 17:35:02.000000000 -0600
+++ ntl-5.4.2/include/NTL/vector.h	2009-03-02 08:25:44.000000000 -0600
@@ -4,6 +4,8 @@
 
 #include <NTL/tools.h>
 
+#include <cstdio>
+
 struct _ntl_VectorHeader {
    long length;
    long alloc;