diff -r 56cd8111b7f7 -r 41300fa6a67c src/corelib/io/qdatastream.h
--- a/src/corelib/io/qdatastream.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/corelib/io/qdatastream.h	Tue Feb 02 00:43:10 2010 +0200
@@ -66,7 +66,7 @@
 template <class Key, class T> class QHash;
 template <class Key, class T> class QMap;
 
-#ifndef QT_NO_DATASTREAM
+#if !defined(QT_NO_DATASTREAM) || defined(QT_BOOTSTRAPPED)
 class QDataStreamPrivate;
 class Q_CORE_EXPORT QDataStream
 {