Binary compatibility report for the Qt4 library between 4.2.1 and 4.2.2 versions on x86

Test Info

Library Name	Qt4
Version #1	4.2.1
Version #2	4.2.2
CPU Architecture	x86
GCC Version	4.5

Test Results

Total Header Files	32
Total Shared Libraries	13
Total Symbols / Types	15899 / 3313
Verdict	Compatible

Problem Summary

	Severity	Count
Added Symbols	-	0
Removed Symbols	High	0
Problems with Data Types	High	0
	Medium	0
	Low	1
Problems with Symbols	High	0
	Medium	0
	Low	10
Problems with Constants	Low	0

Problems with Data Types, Low Severity (1)

	Change	Effect
1	Value of member LastInternalFunction has been changed from 3 to 4.	Applications may execute a wrong branch of code in the library and therefore change the behavior.

qnamespace.h
[+] enum QInternal::InternalFunction (1)

to the top

Problems with Symbols, Low Severity (10)

	Change	Effect
1	The default argument of 6th parameter p6 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 6th parameter p6 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 4th parameter p4 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 4th parameter p4 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 4th parameter p4 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 4th parameter p4 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 3rd parameter p3 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 3rd parameter p3 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 4th parameter p4 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

	Change	Effect
1	The default argument of 4th parameter p4 has been changed from 262657 to 262658.	Applications will pass an old default (compile-time) argument that may not be properly handled anymore. This may result in crash or incorrect behavior of applications.

qapplication.h, libQtGui.so.4.2.1
[+] QApplication::QApplication [not-in-charge] ( Display* dpy, int& argc, char** argv, Qt::HANDLE visual, Qt::HANDLE cmap, int p6 ) (1)
[+] QApplication::QApplication [in-charge] ( Display* dpy, int& argc, char** argv, Qt::HANDLE visual, Qt::HANDLE cmap, int p6 ) (1)
[+] QApplication::QApplication [not-in-charge] ( Display* dpy, Qt::HANDLE visual, Qt::HANDLE cmap, int p4 ) (1)
[+] QApplication::QApplication [in-charge] ( Display* dpy, Qt::HANDLE visual, Qt::HANDLE cmap, int p4 ) (1)
[+] QApplication::QApplication [in-charge] ( int& argc, char** argv, bool GUIenabled, int p4 ) (1)
[+] QApplication::QApplication [not-in-charge] ( int& argc, char** argv, bool GUIenabled, int p4 ) (1)
[+] QApplication::QApplication [not-in-charge] ( int& argc, char** argv, int p3 ) (1)
[+] QApplication::QApplication [in-charge] ( int& argc, char** argv, int p3 ) (1)
[+] QApplication::QApplication [not-in-charge] ( int& argc, char** argv, QApplication::Type p3, int p4 ) (1)
[+] QApplication::QApplication [in-charge] ( int& argc, char** argv, QApplication::Type p3, int p4 ) (1)

to the top

Header Files (32)

Qt
Qt3Support (Qt/Qt3Support)
QtCore (Qt/QtCore)
QtGui (Qt/QtGui)
QtNetwork (Qt/QtNetwork)
QtOpenGL (Qt/QtOpenGL)
QtSql (Qt/QtSql)
QtSvg (Qt/QtSvg)
QtXml (Qt/QtXml)
Qt3Support (Qt3Support/Qt3Support)
QtAlgorithms
QtAssistant
QtCleanUpFunction
QtContainerFwd
QtCore (QtCore/QtCore)
QtDBus
QtDebug
QtDesigner
QtEndian
QtEvents
QtGlobal
QtGui (QtGui/QtGui)
QtMsgHandler
QtNetwork (QtNetwork/QtNetwork)
QtOpenGL (QtOpenGL/QtOpenGL)
QtPlugin
QtPluginInstanceFunction
QtSql (QtSql/QtSql)
QtSvg (QtSvg/QtSvg)
QtTest
QtUiTools
QtXml (QtXml/QtXml)

to the top

Shared Libraries (13)

libQt3Support.so.4.2.1
libQtAssistantClient.so.4.2.1
libQtCore.so.4.2.1
libQtDBus.so.4.2.1
libQtDesigner.so.4.2.1
libQtDesignerComponents.so.4.2.1
libQtGui.so.4.2.1
libQtNetwork.so.4.2.1
libQtOpenGL.so.4.2.1
libQtSql.so.4.2.1
libQtSvg.so.4.2.1
libQtTest.so.4.2.1
libQtXml.so.4.2.1

to the top