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<li class="level1"><a href="#step-1-install-the-license-file-commercial-editions-only">Step 1: Install the License File (commercial editions only)</a></li>
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<li class="level1"><a href="#step-2-build-the-qt-library">Step 2: Build the Qt Library</a></li>
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<li class="level1"><a href="#step-3-set-the-environment-variables">Step 3: Set the Environment variables</a></li>
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<h1 class="title">Installing Qt for Mac OS X</h1>
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<!-- $$$install-mac.html-description -->
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<div class="descr"> <a name="details"></a>
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<p>Qt for Mac OS X has some requirements that are given in more detail in the <a href="requirements-mac.html">Qt for Mac OS X Requirements</a> document.</p>
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<p>The following instructions describe how to install Qt from the source package.</p>
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<p>For the binary package, simply double-click on the Qt.mpkg and follow the instructions to install Qt. You can later run the <tt>uninstall-qt.py</tt> script to uninstall the binary package. The script is located in /Developer/Tools and must be run as root.</p>
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<p><b>Note:</b> Do not run the iPhone simulator while installing Qt. The <a href="http://openradar.appspot.com/7214991">iPhone simulator conflicts with the package installer</a>.</p>
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<a name="step-1-install-the-license-file-commercial-editions-only"></a>
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<h2>Step 1: Install the License File (commercial editions only)</h2>
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<p>If you have the commercial edition of Qt, install your license file as <tt>$HOME/.qt-license</tt>.</p>
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<p>For the open source version you do not need a license file.</p>
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<p>Unpack the archive if you have not done so already. For example, if you have the <tt>qt-everywhere-opensource-src-4.8.7.tar.gz</tt> package, type the following commands at a command line prompt:</p>
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<pre class="cpp"> cd /tmp
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gunzip qt-everywhere-opensource-src-4.8.7.tar.gz # uncompress the archive
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tar xvf qt-everywhere-opensource-src-4.8.7.tar # unpack it</pre>
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<p>This creates the directory <tt>/tmp/qt-everywhere-opensource-src-4.8.7</tt> containing the files from the archive.</p>
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<a name="step-2-build-the-qt-library"></a>
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<h2>Step 2: Build the Qt Library</h2>
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<p>To configure the Qt library for your machine type, run the <tt>./configure</tt> script in the package directory.</p>
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<p>By default, Qt is configured for installation in the <tt>/usr/local/Trolltech/Qt-4.8.7</tt> directory, but this can be changed by using the <tt>-prefix</tt> option.</p>
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<pre class="cpp"> cd /tmp/qt-everywhere-opensource-src-4.8.7
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./configure</pre>
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<p>Type <tt>./configure -help</tt> to get a list of all available options.</p>
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<p>Note that you will need to specify <tt>-universal</tt> if you want to build universal binaries, and also supply a path to the <tt>-sdk</tt> option if your development machine has a PowerPC CPU. By default, Qt is built as a framework, but you can built it as a set of dynamic libraries (dylibs) by specifying the <tt>-no-framework</tt> option.</p>
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<p>Qt can also be configured to be built with debugging symbols. This process is described in detail in the <a href="debug.html">Debugging Techniques</a> document.</p>
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<p>To create the library and compile all the demos, examples, tools, and tutorials, type:</p>
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<pre class="cpp"> make</pre>
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<p>If <tt>-prefix</tt> is outside the build directory, you need to install the library, demos, examples, tools, and tutorials in the appropriate place. To do this, type:</p>
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<pre class="cpp"> sudo make -j1 install</pre>
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<p>This command requires that you have administrator access on your machine.</p>
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<p><b>Note:</b> There is a potential race condition when running make install with multiple jobs. It is best to only run one make job (-j1) for the install.</p>
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<p>If you later need to reconfigure and rebuild Qt from the same location, ensure that all traces of the previous configuration are removed by entering the build directory and typing <tt>make confclean</tt> before running <tt>configure</tt> again.</p>
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<a name="step-3-set-the-environment-variables"></a>
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<h2>Step 3: Set the Environment variables</h2>
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<p>In order to use Qt, some environment variables need to be extended.</p>
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<pre class="cpp"> PATH - to locate qmake, moc and other Qt tools</pre>
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<p>This is done like this:</p>
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<p>In <tt>.profile</tt> (if your shell is bash), add the following lines:</p>
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<pre class="cpp"> PATH=/usr/local/Trolltech/Qt-4.8.7/bin:$PATH
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export PATH</pre>
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<p>In <tt>.login</tt> (in case your shell is csh or tcsh), add the following line:</p>
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<pre class="cpp"> setenv PATH /usr/local/Trolltech/Qt-4.8.7/bin:$PATH</pre>
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<p>If you use a different shell, please modify your environment variables accordingly.</p>
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<p><b>That's all. Qt is now installed.</b></p>
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<a name="qt-demos-and-examples"></a>
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<h2>Qt Demos and Examples</h2>
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<p>If you are new to Qt, we suggest that you take a look at the demos and examples to see Qt in action. Run the Qt Examples and Demos either by typing <tt>qtdemo</tt> on the command line or through the desktop's Start menu.</p>
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<p>You might also want to try the following links:</p>
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<ul>
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<li><a href="how-to-learn-qt.html">How to Learn Qt</a></li>
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<li><a href="tutorials.html">Tutorials</a></li>
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<li><a href="http://www.qt.io/developers/">Developer Network</a></li>
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<li><a href="deployment.html">Deploying Qt Applications</a></li>
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</ul>
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<p>We hope you will enjoy using Qt. Good luck!</p>
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<acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd.
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Documentation contributions included herein are the copyrights of
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The documentation provided herein is licensed under the terms of the
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License version 1.3</a> as published by the Free Software Foundation.</p>
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Documentation sources may be obtained from <a href="http://www.qt-project.org">
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www.qt-project.org</a>.</p>
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