15 files changed, 165 insertions, 0 deletions
diff --git a/src/corelib/io/qdir_p.h b/src/corelib/io/qdir_p.h
index bf7726db2f..4d2f25f9ba 100644
--- a/src/corelib/io/qdir_p.h
+++ b/src/corelib/io/qdir_p.h
@@ -42,6 +42,17 @@
 #ifndef QDIR_P_H
 #define QDIR_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qfilesystementry_p.h"
 #include "qfilesystemmetadata_p.h"
 
diff --git a/src/corelib/io/qtemporaryfile_p.h b/src/corelib/io/qtemporaryfile_p.h
index fe637c8dfd..46e9d169f4 100644
--- a/src/corelib/io/qtemporaryfile_p.h
+++ b/src/corelib/io/qtemporaryfile_p.h
@@ -42,6 +42,17 @@
 #ifndef QTEMPORARYFILE_P_H
 #define QTEMPORARYFILE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qglobal.h>
 
 #ifndef QT_NO_TEMPORARYFILE
diff --git a/src/corelib/kernel/qeventloop_p.h b/src/corelib/kernel/qeventloop_p.h
index 30c61ca759..1a1743260b 100644
--- a/src/corelib/kernel/qeventloop_p.h
+++ b/src/corelib/kernel/qeventloop_p.h
@@ -42,6 +42,17 @@
 #ifndef QEVENTLOOP_P_H
 #define QEVENTLOOP_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qobject_p.h"
 
 QT_BEGIN_NAMESPACE
diff --git a/src/corelib/kernel/qmetaobject_moc_p.h b/src/corelib/kernel/qmetaobject_moc_p.h
index d26cd54e5d..1a7ca63ae1 100644
--- a/src/corelib/kernel/qmetaobject_moc_p.h
+++ b/src/corelib/kernel/qmetaobject_moc_p.h
@@ -43,6 +43,17 @@
 # error "Include qmetaobject_p.h (or moc's utils.h) before including this file."
 #endif
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 QT_BEGIN_NAMESPACE
 
 // This function is shared with moc.cpp. This file should be included where needed.
diff --git a/src/corelib/mimetypes/qmimedatabase_p.h b/src/corelib/mimetypes/qmimedatabase_p.h
index 78bb6c2780..d0546cf5ce 100644
--- a/src/corelib/mimetypes/qmimedatabase_p.h
+++ b/src/corelib/mimetypes/qmimedatabase_p.h
@@ -42,6 +42,17 @@
 #ifndef QMIMEDATABASE_P_H
 #define QMIMEDATABASE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qhash.h>
 #include <QtCore/qmutex.h>
 
diff --git a/src/corelib/mimetypes/qmimeglobpattern_p.h b/src/corelib/mimetypes/qmimeglobpattern_p.h
index ca22aa9588..05d701e787 100644
--- a/src/corelib/mimetypes/qmimeglobpattern_p.h
+++ b/src/corelib/mimetypes/qmimeglobpattern_p.h
@@ -42,6 +42,17 @@
 #ifndef QMIMEGLOBPATTERN_P_H
 #define QMIMEGLOBPATTERN_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qstringlist.h>
 #include <QtCore/qhash.h>
 
diff --git a/src/corelib/mimetypes/qmimemagicrule_p.h b/src/corelib/mimetypes/qmimemagicrule_p.h
index c252440d6c..aeed1908a7 100644
--- a/src/corelib/mimetypes/qmimemagicrule_p.h
+++ b/src/corelib/mimetypes/qmimemagicrule_p.h
@@ -42,6 +42,17 @@
 #ifndef QMIMEMAGICRULE_P_H
 #define QMIMEMAGICRULE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qbytearray.h>
 #include <QtCore/qscopedpointer.h>
 #include <QtCore/qlist.h>
diff --git a/src/corelib/mimetypes/qmimemagicrulematcher_p.h b/src/corelib/mimetypes/qmimemagicrulematcher_p.h
index 159342482f..49de59f55a 100644
--- a/src/corelib/mimetypes/qmimemagicrulematcher_p.h
+++ b/src/corelib/mimetypes/qmimemagicrulematcher_p.h
@@ -42,6 +42,17 @@
 #ifndef QMIMEMAGICRULEMATCHER_P_H
 #define QMIMEMAGICRULEMATCHER_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qbytearray.h>
 #include <QtCore/qlist.h>
 #include <QtCore/qstring.h>
diff --git a/src/corelib/mimetypes/qmimeprovider_p.h b/src/corelib/mimetypes/qmimeprovider_p.h
index 4a263093bd..f79373bb0a 100644
--- a/src/corelib/mimetypes/qmimeprovider_p.h
+++ b/src/corelib/mimetypes/qmimeprovider_p.h
@@ -42,6 +42,17 @@
 #ifndef QMIMEPROVIDER_P_H
 #define QMIMEPROVIDER_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qdatetime.h>
 #include "qmimedatabase_p.h"
 #include <QtCore/qset.h>
diff --git a/src/corelib/mimetypes/qmimetype_p.h b/src/corelib/mimetypes/qmimetype_p.h
index c500520fe1..637c85d8ca 100644
--- a/src/corelib/mimetypes/qmimetype_p.h
+++ b/src/corelib/mimetypes/qmimetype_p.h
@@ -42,6 +42,17 @@
 #ifndef QMIMETYPE_P_H
 #define QMIMETYPE_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qmimetype.h"
 
 #include <QtCore/qhash.h>
diff --git a/src/corelib/mimetypes/qmimetypeparser_p.h b/src/corelib/mimetypes/qmimetypeparser_p.h
index c92bb81be4..ef7a12cdd5 100644
--- a/src/corelib/mimetypes/qmimetypeparser_p.h
+++ b/src/corelib/mimetypes/qmimetypeparser_p.h
@@ -43,6 +43,17 @@
 #ifndef QMIMETYPEPARSER_P_H
 #define QMIMETYPEPARSER_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qmimedatabase_p.h"
 #include "qmimeprovider_p.h"
 
diff --git a/src/corelib/plugin/qsystemlibrary_p.h b/src/corelib/plugin/qsystemlibrary_p.h
index 4a2c86990f..8b0fd57faf 100644
--- a/src/corelib/plugin/qsystemlibrary_p.h
+++ b/src/corelib/plugin/qsystemlibrary_p.h
@@ -42,6 +42,17 @@
 #ifndef QSYSTEMLIBRARY_P_H
 #define QSYSTEMLIBRARY_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qglobal.h>
 #ifdef Q_OS_WIN
 #  include <QtCore/qstring.h>
diff --git a/src/corelib/tools/qcollator_p.h b/src/corelib/tools/qcollator_p.h
index 50e1a01f82..526521ebf4 100644
--- a/src/corelib/tools/qcollator_p.h
+++ b/src/corelib/tools/qcollator_p.h
@@ -43,6 +43,17 @@
 #ifndef QCOLLATOR_P_H
 #define QCOLLATOR_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qcollator.h"
 #include <QVector>
 #ifdef QT_USE_ICU
diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h
index e1c22bac71..b8dd3b101e 100644
--- a/src/corelib/tools/qsimd_p.h
+++ b/src/corelib/tools/qsimd_p.h
@@ -42,6 +42,17 @@
 #ifndef QSIMD_P_H
 #define QSIMD_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <qglobal.h>
 #include <qatomic.h>
 
diff --git a/src/corelib/tools/qstringiterator_p.h b/src/corelib/tools/qstringiterator_p.h
index c3986f0477..4ae705b085 100644
--- a/src/corelib/tools/qstringiterator_p.h
+++ b/src/corelib/tools/qstringiterator_p.h
@@ -43,6 +43,17 @@
 #ifndef QSTRINGITERATOR_H
 #define QSTRINGITERATOR_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qstring.h>
 
 QT_BEGIN_NAMESPACE