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|Tutorial Series||Getting Started|
|Previous||KDE SVN Quickstart Guide|
|What's Next||KDE SVN Quickstart Guide|
Some or all of these packages should be available for installation from your distribution. For ease of installation and upgrading it is a good idea to install distribution packages if a recent enough version is provided. Software required to build KDE4 includes:
QtDBus and KDE are known to work with D-Bus versions 0.62, as well as 0.92 and upwards. Versions 0.60 and 0.61 may work too but are not tested. Versions 0.90 and 0.91 are known not to work. We recommend using post-1.0 release versions (at least 0.94), so consider upgrading if you haven't done so.
You may skip this section if you have a recent D-Bus version or if you don't want to upgrade. You probably want to skip building the bindings until/unless you know you will be building HAL (see below).
Before running these steps in the recipe, make sure your X11 headers and libraries are available. The configure script run on line 5 of the following instructions should output:
Building X11 code: yes
|Make sure you did set up your environment correctly as described above. This is necessary for the cs and cb functions to work.|
cs # 'cs' is a bash function, click here to learn more wget http://dbus.freedesktop.org/releases/dbus/dbus-1.0.2.tar.gz tar -xvzf dbus-1.0.2.tar.gz cd dbus-1.0.2/ ./configure --prefix=$DBUSDIR --localstatedir=/var make sudo make install sudo dbus-uuidgen --ensure
cs # see above wget http://dbus.freedesktop.org/releases/dbus-glib/dbus-glib-0.74.tar.gz tar -xvzf dbus-glib-0.74.tar.gz cd dbus-glib-0.74/ ./configure --prefix=$DBUSDIR make sudo make install cd sudo chown -R kde-devel:kde-devel *
After changing into the source directory (line 1), D-Bus source code is downloaded from freedesktop.org (line 2) and unpacked (line 3). After going into the newly created D-Bus directory (line 4), the build is set up using the supplied configure script (line 5). After building (line 6) and installing (line 7) D-Bus, we use the dbus-uuidgen tool to install a machine identification file that allows the bus to start automatically when the desktop session starts (line 8).
Note that you need write access to /var for the last two steps. If your system does not have the sudo command, you can use the su command instead, e.g. su -c "make install".
The steps for building the glib bindings are similar to the above.
When these two packages are done building, we must fix the file ownership because 'sudo make install' has created root owned files and directories in ~kde-devel/kde.
If you get the error: "configure: error: DBus development libraries not found" do this: export PKG_CONFIG_PATH=/lib/pkgconfig/
cs # 'cs' is a bash function, click Here to learn more wget http://www.cmake.org/files/v2.4/cmake-2.4.6.tar.gz tar -zxf cmake-2.4.6.tar.gz mkdir cmake-build cd cmake-build ../cmake-2.4.6/bootstrap make sudo make install
First, we go back to the kde-devel user's source directory (line 1), get the CMake sources (line 2) and unpack them (line 3). We create a directory to build CMake in (line 4) and go into it (line 5). We then run the CMake bootstrap script to set up the CMake build (line 6), then make (line 7) and install it (line 8) using the root user.
If your system does not have the sudo command, you can instead do su -c "make install".
Next we need to get Qt4. KDE is guaranteed to build against any Qt 4.3. Qt 4.2 and earlier are not supported and will not work.
If your distribution has a recent version of Qt4, that should work. Most distros backport bugfixes, and some distros, like Debian or openSUSE, even use the patches from KDE svn. In other cases, using the recipe below will give you a more stable Qt than your distro. Refer to the distribution specific sections above for more information.
As for now Qt3 compatibility layer in Qt 4 is mandatory, so please avoid using "-no-qt3support" option when building Qt4 from sources.
cd # Note: qt-copy lives in $HOME/qt-copy. See $QTDIR in .bashrc svn checkout svn://anonsvn.kde.org/home/kde/trunk/qt-copy cd qt-copy ./apply_patches ./configure -nomake examples -nomake demos -qt-gif \ -no-exceptions -debug -fast -prefix $QTDIR make -j2 # use 'make -j3' if you have 3 processors to compile faster
# if we don't install, we'll just clear obj files to # save disk space if [ "$QTDIR" = "`pwd`" ]; then \ find . -name '*.o' -delete ; \ else make install; fi;
We switch back to the kde-devel user's home directory (line 1) and download the source code using subversion (svn) from KDE's repository (line 2). After changing into the resulting qt-copy directory (line 3), we run a script that manages the patches that come with qt-copy (line 4).
Once the patches have been applied, we then set up the build using the configure script (line 5-6). The various command line options used are explained in the qt-copy/README.qt-copy file. Finally, we build the minimal requirements for KDE (line 7) and install (line 10) Qt. If install dir is the same as the current dir (line 8), then we just free some space (line 9) instead. If you want all the example and demo applications, you can either build them individually or simply do a make from the qt-copy directory.
Note that the installation does not require root as it installs Qt locally into $QTDIR. Anyway, installation is only needed if $QTDIR differs from $HOME/qt-copy, which is not the case if you have exactly followed the instructions.
If you get "error: X11/Xlib.h: No such file or directory", install the devel package of xorg (the actual name may vary between operating systems, for example it is xorg-dev on Ubuntu based systems such as Kubuntu).
If you get an error in the configure step about missing defines, check the value of $QMAKESPEC. Some distributions set this to point directly to the system-installed Qt. If unset QMAKESPEC solves the problem, you probably want to add it to the ~/.bashrc script.
If you get an error ".pch/debug-shared/QtCore", this is because Qt-4.3 enables precompiled headers if your gcc supports it, but for some reason it doesn't work for you. If you use distcc, configure qt with -no-pch. If you use icecream, update to the latest icecream from svn trunk.
Try running any Qt program, like assistant. Note: You may need to run xhost +local:kde-devel as your regular kde3 user to run this application. If it crashes in QSpanData::adjustSpanMethods, then your problem is the oxygen style. Try removing lib/kde4/plugins/styles/kstyle-oxygen.so and lib/kde4/plugins/styles/oxygen.so if they exist in the KDE install prefix.
|You can use qdbusviewer to see if you have org.freedesktop.hal. If not, you might need a newer version of hal. If you have org.freedesktop.hal, you probably don't need to, and don't want to, roll your own HAL.|
If your system requires you to build a newer version of HAL, there's a decent chance you'll need to build other stuff as well, some of which may not be straight forward. However, this should only be required for older distros.
|Don't forget to read the Setting Up The Environment section first.|
There are several libraries that KDE applications rely on in the kdesupport module. This includes Strigi and Soprano for file metadata and search, QImageBlitz for image manipulation needed in kdebase, eigen for visual effects in applications such as Kalzium, taglib for music players and qca for some cryptographic needs.
Strigi itself has a few dependencies as well: you will need the libraries and headers for libz, libbz2, openssl (libcrypto or libssl), libclucene (>=0.9.16a but watch out: version 0.9.17 does not work), and either libxml2 or libexpat.
Please remember that if you use openSUSE, you can install the needed packages from the KDE:KDE4 buildservice repository and do not have to bother with fiddling the details below. Skip to the kdelibs section.
cs # 'cs' is a bash function, click here to learn more svn checkout svn://anonsvn.kde.org/home/kde/trunk/kdesupport/ cd kdesupport cmakekde
We change to the base source directory (line 1). We download the sources in kdesupport using subversion (line 2), go into the new ~/kde/src/kdesupport directory (line 3), and commence the build (line 4). This will leave us in the kdesupport build directory after the build is completed.
If you get
cmakekde: command not found
then you have to go manually into the kdesupport directory in ~ and execute the command cmakekde. if this still doesn't work, then something is wrong with your bashrc.
If you get
CMake Error: This project requires some variables to be set, and cmake can not find them. Please set the following variables: LIBXML2_INCLUDE_DIR (ADVANCED)
you should install the development package for libxml2.
If you get
CMake Error: Could NOT find REDLAND
then you need librdf from the Redland. If your distribution does not provide the librdf package, you can download the source there: http://download.librdf.org/source/ and build it. (Gentoo users: The ebuild for librdf is named dev-libs/redland)
If you get
Fetching external item into 'kdesupport/admin' Error validating server certificate for 'https://...'
If you get
FILE cannot create directory: /usr/lib/qt4/plugins/crypto. Maybe need administrative privileges. make: *** [install] Error 255
take a second look in the .bashrc file described above, are paths correct? ($QTDIR and $PATH are used to get the QT installation path) Alternatively, you may see this error if you decided to use a distribution installed version of qt4 and skipped the Qt install above. Either install qt-copy as describe above, or "sudo make install". If you use "sudo make install", make sure that you change the ownership back to your user for some of the ~/kde subdirectories that were effected by using sudo (ie. "sudo chown -R kde-devel:kde-devel ~/kde").
If you get a message related to
target libQtTest.so not found
you may need to recompile qt-copy. This time you should take out
-nomake demos -nomake examples
from the configure command, so that Qt generates library QtTest.
If you get
CMake Error: Qt qmake not found!
1) uncomment Qt section in .bashrc script (QTDIR, QT_PLUGINS_DIR, PKG_CONFIG_PATH variable settings). 2) source ~/.bashrc 3) cd && cd qt-copy 4) make confclean 5) repeat steps for installing Qt (from ./configure line). 6) retry building kdesupport
If you get
"CMake Error: Could NOT find BZip2"
sudo apt-get install libbz2-dev
Once all requirements have been installed it is time to install kdelibs