Qt library cross dependencies

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Dependencies in Qt 4.

Some of the more advanced functions and modules Qt often need other modules (libraries) as prerequsites. The same holds for the many plugins that can extend functionality. The following tables list all these dependencies on a per module/per plugin base.

WARNING: The "Other Dependencies" column of the tables is not complete!

How to show dependencies

The way to show the dependencies varies from platform to platform. It's explained in detail in the Show_library_dependencies wiki article.

Qt libs

Library	Qt Dependencies	Other Dependencies
<. QtCore	<. none (QtCore is the base of all)	<. ?
<. QtGui	<. QtCore	<. ?
<. Qt3Support	<. QtCore, QtGui, QtNetwork, QtSql, QtXml	<. ?
<. QtDeclarative	<. QtCore, QtGui, QtNetwork, QtOpenGL, QtScript, QtSql, QtSvg, QtXmlPatterns	<. ?
<. QtDesigner	<. QtCore, QtGui, QtScript, QtXml	<. ?
<. QtDesignerComponents	<. QtCore, QtDesigner, QtGui, QtScript, QtXml	<. ?
<. QtHelp	<. QtCore, QtGui, QtNetwork, QtSql, QtXml, libQtCLucene	<. ?
<. QtMultimedia	<. QtCore, QtGui	<. ?
<. QtNetwork	<. QtCore	<. ?
<. QtOpenGL	<. QtCore, QtGui	<. ?
<. QtScript	<. QtCore	<. ?
<. QtScriptTools	<. QtCore, QtGui, QtScript	<. ?
<. QtSql	<. QtCore	<. ?
<. QtSvg	<. QtCore, QtGui	<. ?
<. QtTest	<. QtCore	<. ?
<. QtWebKit	<. QtCore, QtGui, QtNetwork, phonon	<. ?
<. QtXml	<. QtCore	<. ?
<. QtXmlPatterns	<. QtCore, QtNetwork	<. ?
<. phonon	<. QtCore, QtGui	<. ?
<. libQtCLucene	<. QtCore	<. ?

PlugIns

accessible

Library	Qt Dependencies	Other Dependencies
<. libqtaccessiblewidgets	<. QtCore, QtGui	<. ?
<. libqtaccessiblecompatwidgets	<. QtCore, QtGui, Qt3Support, QtNetwork, QtSql, QtXml	<. ?

bearer

Library	Qt Dependencies	Other Dependencies
<. libqgenericbearer	<. QtCore, QtNetwork	<. ?

codecs

Library	Qt Dependencies	Other Dependencies
<. libqcncodecs	<. QtCore	<. ?
<. libqjpcodecs	<. QtCore	<. ?
<. libqkrcodecs	<. QtCore	<. ?
<. libqtwcodecs	<. QtCore	<. ?

designer

Library	Qt Dependencies	Other Dependencies
<. libphononwidgets	<. QtCore, QtDesigner, QtGui, QtScript, QtXml, phonon	<. ?
<. libqdeclarativeview	<. QtCore, QtDeclarative, QtDesigner, QtGui, QtNetwork, QtOpenGL, QtScript, QtSql, QtSvg, QtXml, QtXmlPatterns	<. ?
<. libqt3supportwidgets	<. QtCore, Qt3Support, QtDesigner, QtGui, QtNetwork, QtScript, QtSql, QtXml	<. ?
<. libqwebview	<. QtCore, QtDesigner, QtGui, QtScript, QtWebKit, QtXml, (QtNetwork, phonon)	<. ?

graphicssystems

Library	Qt Dependencies	Other Dependencies
<. libqglgraphicssystem	<. QtCore, QtGui, QtOpenGL	<. ?
<. libqtracegraphicssystem	<. QtCore, QtGui, QtNetwork	<. ?

iconengines

Library	Qt Dependencies	Other Dependencies
<. libqsvgicon	<. QtCore, QtGui, QtSvg, QtXml	<. ?

imageformats

Library	Qt Dependencies	Other Dependencies
<. libqgif	<. QtCore, QtGui	<. ?
<. libqico	<. QtCore, QtGui	<. ?
<. libqjpeg	<. QtCore, QtGui	<. ?
<. libqmng	<. QtCore, QtGui	<. ?
<. libqsvg	<. QtCore, QtGui, QtSvg, QtXml	<. ?

phonon_backend

Library	Platform	Qt Dependencies	Other Dependencies
<. libphonon_qt7	<. Mac	<. QtCore, QtGui, QtOpenGL, phonon	<. QuickTime

Other backends are missing.

sqldrivers

Library	Qt Dependencies	Other Dependencies
<. libqsqlite	<. QtCore, QtSql	<. ?
<. libqsqlmysql	<. QtCore, QtSql	<. libmysqlclient
<. libqsqlodbc	<. QtCore, QtSql	<. ?
<. libqsqlpsql.	<. QtCore, QtSql	<. libpq

Some more drivers are missing (db2, ibase, oci, tds).

Deployment

The Qt docs contain instructions on how to deploy your application on a non-development machine. The general instructions can be found here. There are additional platform specific instructions for

• X11
• Windows
• Mac OS X
• Embedded Linux
• Symbian