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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Deploying Qt Applications</h1>


<p> This document lists the platform-specific files needed to distribute
Qt applications. We do not include any compiler-specific files that
may also be required. (See also, <a href="winsystem.html">Window
System-specific Notes</a>.)
<p> <!-- toc -->
<ul>
<li><a href="#1"> Static Qt Applications
</a>
<li><a href="#2"> Dynamic Qt Applications
</a>
<ul>
<li><a href="#2-1"> Distributing Plugins
</a>
</ul>
<li><a href="#3"> Dynamic Dialogs 
</a>
</ul>
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<p> <h2> Static Qt Applications
</h2>
<a name="1"></a><p> To distribute static Qt applications, you need the following file for
all platforms:
<p> <ul>
<li> your application's executable
</ul>
<p> <h2> Dynamic Qt Applications
</h2>
<a name="2"></a><p> To distribute dynamic Qt applications, you will need the following
files for all platforms:
<p> <ul>
<li> application executable
<li> the Qt library 
</ul>
<p> The Qt library must either be in the same directory as the application
executable or in a directory which is included in the system library
path.
<p> The library is in provided by the following platform specific files:
<p> <center><table cellpadding="4" cellspacing="2" border="0">
<tr bgcolor="#a2c511"> <th valign="top">Platform <th valign="top">File
<tr bgcolor="#f0f0f0"> <td valign="top">Windows <td valign="top"><tt>qt[version].dll</tt>
<tr bgcolor="#d0d0d0"> <td valign="top">Unix/Linux <td valign="top"><tt>libqt[version].so</tt>
<tr bgcolor="#f0f0f0"> <td valign="top">Mac <td valign="top"><tt>libqt[version].dylib</tt>
</table></center>
<p> <em>version</em> includes the three version numbers. For threaded builds the
version is prefixed with <em>-mt</em>.
<p> <h3> Distributing Plugins
</h3>
<a name="2-1"></a><p> You must include any plugin files required by the application.
<p> Plugins must be put into a subdirectory under a directory known to
Qt as a plugin directory. The subdirectory must have the name of the
plugin category (e.g. <tt>styles</tt>, <tt>sqldrivers</tt>, <tt>designer</tt>, etc.). 
<p> Qt searches in the following directories for plugin categories:
<p> <ul>
<li> Application specific plugin paths
<li> Build-directory of Qt
<li> The application directory
</ul>
<p> Application specific plugin paths can be added using 
<a href="qapplication.html#addLibraryPath">QApplication::addLibraryPath</a>(). The build-directory of Qt is hardcoded
in the Qt library and can be changed as a part of the installation
process (see the <a href="distributor-example.html">distributor-example.html</a> Distributor example).
<p> <h2> Dynamic Dialogs 
</h2>
<a name="3"></a><p> For dynamic dialogs if you use <a href="qwidgetfactory.html">QWidgetFactory</a>, you need the following
files for all platforms:
<p> <ul>
<li> The same files as used for dynamic Qt applications
<li> The QUI Library
</ul>
<p> The QUI library is provided by the following platform specific files:
<center><table cellpadding="4" cellspacing="2" border="0">
<tr bgcolor="#a2c511"> <th valign="top">Platform <th valign="top">File
<tr bgcolor="#d0d0d0"> <td valign="top">Windows  <td valign="top"><tt>qui.lib</tt>
<tr bgcolor="#f0f0f0"> <td valign="top">Unix/Linux  <td valign="top"><tt>libqui.so</tt>
<tr bgcolor="#d0d0d0"> <td valign="top">Mac <td valign="top"><tt>libqui.dylib</tt>
</table></center>
<p> The QUI library must either be in the same directory as the
application executable or in a directory which is included in the
system library path.
<p> 
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