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<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>

 
<p> You may need to be root, depending on the permissions of the directories
where you choose to install Qt.
<p> <ol type=1>
<li>  Unpack the archive if you have not done so already:
<p> <pre>
    cd /usr/local
    gunzip qt-x11-version.tar.gz    # uncompress the archive
    tar xf qt-x11-version.tar       # unpack it
</pre>
 
<p> This creates the directory /usr/local/qt-<em>version</em> containing the
files from the main archive.
<p> Rename qt-<em>version</em> to qt (or make a symlink):
<p> <pre>
    mv qt-version qt
</pre>
 
<p> The rest of this file assumes that Qt is installed in <tt>/usr/local/qt</tt>.
<p> <li>  Set some environment variables in the file <tt>.profile</tt> (or <tt>.login</tt>,
depending on your shell) in your home directory. Create the
file if it is not there already.
<p> <ul>
<li> QTDIR -- the directory in which you're building Qt
<li> PATH -- to locate the <a href="moc.html#moc">moc</a> program and other Qt tools
<li> MANPATH -- to access the Qt man pages
<li> LD_LIBRARY_PATH -- for the shared Qt library
</ul>
<p> This is done like this:
<p> In <tt>.profile</tt> (if your shell is bash, ksh, zsh or sh), add the
following lines:
<p> <pre>
    QTDIR=/usr/local/qt
    PATH=$QTDIR/bin:$PATH
    MANPATH=$QTDIR/man:$MANPATH
    LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH

    export QTDIR PATH MANPATH LD_LIBRARY_PATH
</pre>
 
<p> In <tt>.login</tt> (in case your shell is csh or tcsh), add the following lines:
<p> <pre>
    setenv QTDIR /usr/local/qt
    setenv PATH $QTDIR/bin:$PATH
    setenv MANPATH $QTDIR/man:$MANPATH
    setenv LD_LIBRARY_PATH $QTDIR/lib:$LD_LIBRARY_PATH
</pre>
 
<p> After you have done this, you will need to login again, or
re-source the profile before continuing, so that at least <tt>$QTDIR</tt>
is set.  The installation will give an error message and not
proceed otherwise.
<p> On AIX set LIBPATH and on HP-UX set SHLIB_PATH instead of LD_LIBRARY_PATH.
<p> Note that the SGI MIPSpro o32 and Sun WorkShop 5.0 targets are no
longer supported as of Qt 3.3.
<p> <li>  Install your license file as <tt>$HOME/.qt-license</tt>.
For the free edition and evaluation version, you do not need a license
file.
<p> <li>  Compile the Qt library, and build the example programs,
the tutorial and the tools (e.g. <a href="designer-manual.html">Qt
    Designer</a>) as follows.
<p> Type:
<pre>
    ./configure
</pre>
 
<p> This will configure the Qt library for your machine. Note that
GIF support is turned off by default. Run <tt>./configure -help</tt>
to get a list of configuration options. Read <tt>PLATFORMS</tt> for a
list of supported platforms.
<p> To create the library and compile all examples and the tutorial:
<pre>
    make
</pre>
 
If you have problems, see
<a href="http://www.trolltech.com/platforms/">http://www.trolltech.com/platforms/</a>.
<p> <li>  In very few cases you may need to run <tt>/sbin/ldconfig</tt> or something
similar at this point if you are using shared libraries.
<p> If you have problems running the example programs, e.g. messages like
<pre>
    can't load library 'libqt.so.2'
</pre>
 
you probably need to put a reference to the qt library in a
configuration file and run <tt>/sbin/ldconfig</tt> as root on your system.
And don't forget to <tt>set</tt> LD_LIBRARY_PATH as explained in 2) above.
<p> <li>  The online HTML documentation is installed in <tt>/usr/local/qt/doc/html/</tt>
The main page is <tt>/usr/local/qt/doc/html/index.html</tt>.
The man pages are installed in <tt>/usr/local/qt/doc/man/</tt>.
The documentation is also accessible using <a href="assistant.html">Qt
    Assistant</a>.
</ol>
<p> You're done.  Qt is now installed.
<p> 
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