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<li class="level1"><a href="#building-qt-for-embedded-linux-with-uclibc">Building Qt for Embedded Linux with uclibc</a></li>
<li class="level1"><a href="#memory-requirements">Memory Requirements</a></li>
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<h1 class="title">Qt for Embedded Linux Requirements</h1>
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<h2>Building Qt for Embedded Linux with uclibc</h2>
<p>If you intend to include the <a href="qtwebkit.html">QtWebKit</a> module in your Qt build then you should use version <b>uClibc 0.9&#x2e;29 or greater</b> as that is the earliest version with sufficient pthread support.</p>
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<h2>Memory Requirements</h2>
<p>The memory and storage requirements for Qt for Embedded Linux depend on a an variety of different factors, including the target architecture and the features enabled in the Qt build.</p>
<p>The following table shows typical library sizes for the most common Qt libraries on different architectures, built in release mode with different feature profiles.</p>
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<thead><tr class="qt-style"><th  rowspan="2">Architecture</th><th  rowspan="2">Compiler</th><th  colspan="2"><a href="qtcore.html">QtCore</a></th><th  colspan="2"><a href="qtgui.html">QtGui</a></th><th  colspan="2"><a href="qtnetwork.html">QtNetwork</a></th><th  colspan="2"><a href="qtwebkit.html">QtWebKit</a></th></tr>
<tr class="qt-style"><th >Minimal</th><th >Normal</th><th >Minimal</th><th >Normal</th><th >Minimal</th><th >Normal</th><th >Minimal</th><th >Normal</th></tr></thead>
<tr valign="top" class="odd"><td >linux-x86-g++</td><td >GCC 4.2&#x2e;4</td><td >1.7M</td><td >2.7M</td><td >3.3M</td><td >9.9M</td><td >653K</td><td >1.1M</td><td >N/A</td><td >17M</td></tr>
<tr valign="top" class="even"><td >linux-arm-g++</td><td >GCC 4.1&#x2e;1</td><td >1.9M</td><td >3.2M</td><td >4.1M</td><td >11M</td><td >507K</td><td >1.0M</td><td >N/A</td><td >17M</td></tr>
<tr valign="top" class="odd"><td >linux-mips-g++ (MIPS32)</td><td >GCC 4.2&#x2e;4</td><td >2.0M</td><td >3.2M</td><td >4.5M</td><td >12M</td><td >505K</td><td >1003K</td><td >N/A</td><td >21M</td></tr>
</table>
<p>Library sizes are given in the following units: K = 1024 bytes; M = 1024K. <a href="qtwebkit.html">QtWebKit</a> is excluded from the minimal configuration.</p>
<p>The <a href="fine-tuning-features.html">Fine-Tuning Features in Qt</a> document covers the process of configuring Qt builds to avoid the inclusion of unnecessary features.</p>
<a name="additional-x11-libraries-for-qvfb"></a>
<h2>Additional X11 Libraries for QVFb</h2>
<p>The Virtual Framebuffer (QVFb) application requires the <tt>libxtst</tt> library in addition to the libraries used to build Qt for X11. This library enables the use of the Record extension to the X protocol to be used in applications.</p>
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<p><b>See also </b><a href="known-issues.html">Known Issues</a>.</p>
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