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| 6 | <title>Installing Qt/X11</title>
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| 19 | <a href="index.html">
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| 20 | <font color="#004faf">Home</font></a>
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| 21 | | <a href="classes.html">
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| 22 | <font color="#004faf">All Classes</font></a>
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| 23 | | <a href="mainclasses.html">
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| 24 | <font color="#004faf">Main Classes</font></a>
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| 25 | | <a href="annotated.html">
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| 26 | <font color="#004faf">Annotated</font></a>
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| 28 | <font color="#004faf">Grouped Classes</font></a>
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| 29 | | <a href="functions.html">
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| 30 | <font color="#004faf">Functions</font></a>
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| 31 | </td>
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| 32 | <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Installing Qt/X11</h1>
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| 33 |
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| 34 |
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| 35 | <p> You may need to be root, depending on the permissions of the directories
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| 36 | where you choose to install Qt.
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| 37 | <p> <ol type=1>
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| 38 | <li> Unpack the archive if you have not done so already:
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| 39 | <p> <pre>
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| 40 | cd /usr/local
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| 41 | gunzip qt-x11-version.tar.gz # uncompress the archive
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| 42 | tar xf qt-x11-version.tar # unpack it
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| 43 | </pre>
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| 44 |
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| 45 | <p> This creates the directory /usr/local/qt-<em>version</em> containing the
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| 46 | files from the main archive.
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| 47 | <p> Rename qt-<em>version</em> to qt (or make a symlink):
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| 48 | <p> <pre>
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| 49 | mv qt-version qt
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| 50 | </pre>
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| 51 |
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| 52 | <p> The rest of this file assumes that Qt is installed in <tt>/usr/local/qt</tt>.
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| 53 | <p> <li> Set some environment variables in the file <tt>.profile</tt> (or <tt>.login</tt>,
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| 54 | depending on your shell) in your home directory. Create the
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| 55 | file if it is not there already.
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| 56 | <p> <ul>
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| 57 | <li> QTDIR -- the directory in which you're building Qt
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| 58 | <li> PATH -- to locate the <a href="moc.html#moc">moc</a> program and other Qt tools
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| 59 | <li> MANPATH -- to access the Qt man pages
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| 60 | <li> LD_LIBRARY_PATH -- for the shared Qt library
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| 61 | </ul>
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| 62 | <p> This is done like this:
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| 63 | <p> In <tt>.profile</tt> (if your shell is bash, ksh, zsh or sh), add the
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| 64 | following lines:
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| 65 | <p> <pre>
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| 66 | QTDIR=/usr/local/qt
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| 67 | PATH=$QTDIR/bin:$PATH
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| 68 | MANPATH=$QTDIR/man:$MANPATH
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| 69 | LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH
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| 70 |
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| 71 | export QTDIR PATH MANPATH LD_LIBRARY_PATH
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| 72 | </pre>
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| 73 |
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| 74 | <p> In <tt>.login</tt> (in case your shell is csh or tcsh), add the following lines:
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| 75 | <p> <pre>
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| 76 | setenv QTDIR /usr/local/qt
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| 77 | setenv PATH $QTDIR/bin:$PATH
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| 78 | setenv MANPATH $QTDIR/man:$MANPATH
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| 79 | setenv LD_LIBRARY_PATH $QTDIR/lib:$LD_LIBRARY_PATH
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| 80 | </pre>
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| 81 |
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| 82 | <p> After you have done this, you will need to login again, or
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| 83 | re-source the profile before continuing, so that at least <tt>$QTDIR</tt>
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| 84 | is set. The installation will give an error message and not
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| 85 | proceed otherwise.
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| 86 | <p> On AIX set LIBPATH and on HP-UX set SHLIB_PATH instead of LD_LIBRARY_PATH.
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| 87 | <p> Note that the SGI MIPSpro o32 and Sun WorkShop 5.0 targets are no
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| 88 | longer supported as of Qt 3.3.
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| 89 | <p> <li> Install your license file as <tt>$HOME/.qt-license</tt>.
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| 90 | For the free edition and evaluation version, you do not need a license
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| 91 | file.
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| 92 | <p> <li> Compile the Qt library, and build the example programs,
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| 93 | the tutorial and the tools (e.g. <a href="designer-manual.html">Qt
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| 94 | Designer</a>) as follows.
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| 95 | <p> Type:
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| 96 | <pre>
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| 97 | ./configure
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| 98 | </pre>
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| 99 |
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| 100 | <p> This will configure the Qt library for your machine. Note that
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| 101 | GIF support is turned off by default. Run <tt>./configure -help</tt>
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| 102 | to get a list of configuration options. Read <tt>PLATFORMS</tt> for a
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| 103 | list of supported platforms.
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| 104 | <p> To create the library and compile all examples and the tutorial:
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| 105 | <pre>
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| 106 | make
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| 107 | </pre>
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| 108 |
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| 109 | If you have problems, see
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| 110 | <a href="http://www.trolltech.com/platforms/">http://www.trolltech.com/platforms/</a>.
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| 111 | <p> <li> In very few cases you may need to run <tt>/sbin/ldconfig</tt> or something
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| 112 | similar at this point if you are using shared libraries.
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| 113 | <p> If you have problems running the example programs, e.g. messages like
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| 114 | <pre>
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| 115 | can't load library 'libqt.so.2'
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| 116 | </pre>
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| 117 |
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| 118 | you probably need to put a reference to the qt library in a
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| 119 | configuration file and run <tt>/sbin/ldconfig</tt> as root on your system.
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| 120 | And don't forget to <tt>set</tt> LD_LIBRARY_PATH as explained in 2) above.
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| 121 | <p> <li> The online HTML documentation is installed in <tt>/usr/local/qt/doc/html/</tt>
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| 122 | The main page is <tt>/usr/local/qt/doc/html/index.html</tt>.
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| 123 | The man pages are installed in <tt>/usr/local/qt/doc/man/</tt>.
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| 124 | The documentation is also accessible using <a href="assistant.html">Qt
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| 125 | Assistant</a>.
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| 126 | </ol>
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| 127 | <p> You're done. Qt is now installed.
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| 128 | <p>
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| 129 | <!-- eof -->
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| 130 | <p><address><hr><div align=center>
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| 131 | <table width=100% cellspacing=0 border=0><tr>
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| 132 | <td>Copyright © 2007
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| 133 | <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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| 134 | <td align=right><div align=right>Qt 3.3.8</div>
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| 135 | </table></div></address></body>
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| 136 | </html>
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