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INSTALLING Qt/X11 Version 3.3.8
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You may need to be logged in as root, depending on the permissions of
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the directories where you choose to install Qt.
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1. Unpack the archive if you have not done so already:
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cd /usr/local
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gunzip qt-x11-free-3.3.8.tar.gz # uncompress the archive
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tar xvf qt-x11-free-3.3.8.tar # unpack it
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This creates the directory /usr/local/qt-x11-free-3.3.8 containing the
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files from the main archive.
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Rename qt-x11-free-3.3.8 to qt (or make a symlink):
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mv qt-x11-free-3.3.8 qt
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The rest of this file assumes that Qt is installed in /usr/local/qt.
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2. Set some environment variables in the file .profile (or .login,
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depending on your shell) in your home directory. Create the
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file if it is not there already.
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QTDIR - the directory in which you're building Qt
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PATH - to locate the tqmoc program and other Qt tools
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MANPATH - to access the Qt man pages
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LD_LIBRARY_PATH - for the shared Qt library
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Note that under IRIX the additional LD_LIBRARYN32_PATH and
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LD_LIBRARY64_PATH variables are used for specifying library
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search paths. Set the variable that matches your configuration, or
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see the rld(5) man page for more information.
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On AIX set LIBPATH and on HP-UX set SHLIB_PATH instead of LD_LIBRARY_PATH.
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This is done like this:
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In .profile (if your shell is bash, ksh, zsh or sh), add the
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following lines:
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QTDIR=/usr/local/qt
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PATH=$QTDIR/bin:$PATH
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MANPATH=$QTDIR/doc/man:$MANPATH
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LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH
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export QTDIR PATH MANPATH LD_LIBRARY_PATH
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In .login (in case your shell is csh or tcsh), add the following lines:
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setenv QTDIR /usr/local/qt
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setenv PATH $QTDIR/bin:$PATH
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setenv MANPATH $QTDIR/doc/man:$MANPATH
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setenv LD_LIBRARY_PATH $QTDIR/lib:$LD_LIBRARY_PATH
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After you have done this, you will need to login again, or
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re-source the profile before continuing, so that at least $QTDIR
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and $PATH are set. Without these the installation will halt with an error
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message.
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Note that the SGI MIPSpro o32 and Sun WorkShop 5.0 targets are no
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longer supported as of Qt 3.3.
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3. Install your license file as $HOME/.qt-license.
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For the free edition and evaluation version, you do not need a license
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file.
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4. Building.
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This step compiles the Qt library, and builds the example programs,
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the tutorial, and the tools (e.g. Qt Designer).
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Type:
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./configure
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This will configure the Qt library for your machine. Note that
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GIF support is turned off by default. Run ./configure -help
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to get a list of configuration options. Read PLATFORMS for a
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list of supported platforms.
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To create the library and compile all the examples and the
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tutorial, type:
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make
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If your platform or compiler is not supported, please contact us at
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qt-bugs@trolltech.com so that we can assist you. If it is supported
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but you have problems, see http://www.trolltech.com/platforms/ for
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information on known issues.
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At this point you have binaries created in $QTDIR (eg. $QTDIR/lib/
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contains libtqt.so). If, however, you would like to have your Qt
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installed in a non-local installation you can run configure with
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options splitting Qt into different areas for example:
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./configure -libdir /usr/local/lib -bindir /usr/local/bin -headerdir /usr/local/include/qt
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If you supplied a custom install directory using the -prefix
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parameter in step 2, you can:
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make install
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This will install Qt onto your machine using the paths you've set.
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(See ./configure -help for more information). If you choose to
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install Qt like this, remember that you must set your
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LD_LIBRARY_PATH to match your -libdir and your QTDIR to your
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-headerdir (as described in (2) above).
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5. In very few cases you may need to run /sbin/ldconfig or something
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similar at this point if you are using shared libraries.
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If you have problems running the example programs, e.g. messages like
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can't load library 'libtqt.so.3'
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you probably need to put a reference to the qt library in a
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configuration file and run /sbin/ldconfig as root on your system.
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And don't forget to set LD_LIBRARY_PATH as explained in (2) above.
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6. The online HTML documentation is installed in /usr/local/qt/doc/html/
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The main page is /usr/local/qt/doc/html/index.html
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The man pages are installed in /usr/local/qt/doc/man/
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That's all. Qt is now installed.
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