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<h1 class="title">Porting Qt Applications to Qt for Embedded Linux</h1>
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<p>Existing Qt applications should require no porting provided there is no platform dependent code.</p>
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<thead><tr class="qt-style"><th >Platform Dependent Code</th></tr></thead>
<tr valign="top" class="odd"><td >Platform dependent code includes system calls, calls to the underlying window system (Windows or X11), and Qt platform specific methods such as <a href="qapplication.html#x11EventFilter">QApplication::x11EventFilter</a>().<p>For cases where it is necessary to use platform dependent code there are macros defined that can be used to enable and disable code for each platform using <tt>#ifdef</tt> directives:</p>
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