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