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Qt 5.2.1 Reference Documentation</li>
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<li class="level1"><a href="#linux">Linux</a></li>
<li class="level2"><a href="#installation-problems">Installation problems</a></li>
<li class="level2"><a href="#intel-c-compiler-for-linux">Intel C++ Compiler for Linux</a></li>
<li class="level2"><a href="#known-issues-with-intel-c-compiler-for-linux">Known Issues with Intel C++ Compiler for Linux</a></li>
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<h1 class="title">Qt for Linux/X11 - Specific Issues</h1>
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<p>This page contains information about the X11 platforms Qt is currently known to run on, with links to platform-specific notes.</p>
<a name="linux"></a>
<h2>Linux</h2>
<p>There are no known problems with using Qt on production versions of Linux/x86, Linux/ppc, Linux/amd64 and Linux/ia64 (including Altix(R)).</p>
<p>For information about the specific compilers supported, visit the <a href="supported-platforms.html">Supported Platforms</a> page.</p>
<a name="installation-problems"></a>
<h3>Installation problems</h3>
<p>Installing the source (<i>.tgz</i>) will likely conflict with the Qt version from your Linux distribution. This can result in link errors, such as:</p>
<pre class="cpp">undefined reference to <span class="char">'_vt.11QPushButton'</span></pre>
<p>This is solved by removing the older version of the library.</p>
<p>If you have problems installing open source versions of Qt provided by your Linux distribution, for example, from RPM or APT repositories, please consult the maintainers of the distribution.</p>
<p>Some RPM versions have problems installing some of the Qt RPM archives where installation stops with an error message warning about a <b>Failed Dependency</b>. Use the <tt>--nodeps</tt> option of <tt>rpm</tt> as workaround this problem.</p>
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<h3>Intel C++ Compiler for Linux</h3>
<p>Qt can be compiled with the Intel C++ compile for Linux, though, this configuration is not tested on a regular basis.</p>
<a name="known-issues-with-intel-c-compiler-for-linux"></a>
<h3>Known Issues with Intel C++ Compiler for Linux</h3>
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<li>Precompiled header support does not work in version 10.0.025 and older. For these compilers, you should configure Qt with -no-pch. Precompiled header support works properly in version 10.0.026 and later.</li>
<li>Version 10.0.026 for Intel 64 is known to miscompile qmake when building in release mode. For now, configure Qt with -debug. Version 10.1.008 and later can compile qmake in release mode.</li>
<li>Versions 10.1.008 to 10.1.015 for both IA-32 and Intel 64 are known crash with "(0): internal error: 0_47021" when compiling <a href="../qtxmlpatterns/qtxmlpatterns-index.html">Qt XML Patterns</a>, <a href="../qtwebkit/qtwebkit-index.html">Qt WebKit</a>, and <a href="../qtdesigner/qtdesigner-index.html">Qt Designer</a> in release mode. Version 10.1.017 compiles these modules correctly in release mode.</li>
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