diff -r 56cd8111b7f7 -r 41300fa6a67c src/corelib/io/qdatastream.cpp
--- a/src/corelib/io/qdatastream.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/corelib/io/qdatastream.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -42,7 +42,7 @@
 #include "qdatastream.h"
 #include "qdatastream_p.h"
 
-#ifndef QT_NO_DATASTREAM
+#if !defined(QT_NO_DATASTREAM) || defined(QT_BOOTSTRAPPED)
 #include "qbuffer.h"
 #include "qstring.h"
 #include <stdio.h>