Difference between revisions of "Getting Started/Build/KDE4"

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This article shows how to download, build, install and start KDE 4 from subversion. It consolidates howtos from various sites, e.g.
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#REDIRECT [[Getting_Started/Build|Building KDE]]
[http://developer.kde.org/build/trunk.html the old KDE developer pages].
 
This topic shows one way that works. It does not intend to explain the obvious background behind it.
 
 
 
You may be interested in: http://kdesvn-build.kde.org/
 
 
 
To reduce complexity, we use the bash-shell (standard) throughout the tutorial.
 
 
 
== Become the user kde-devel ==
 
useradd kde-devel
 
mkdir /home/kde-devel
 
passwd kde-devel
 
chown kde-devel:kde-devel /home/kde-devel 2>/dev/null || \
 
chown kde-devel:users /home/kde-devel
 
 
 
Switch to the user kde-devel: (the dash also changes to the new home directory)
 
su - kde-devel
 
 
 
== Set Environment Variables ==
 
You have to add some environment variables - add these lines to your shell's configuration file, e.g. {{path|~/.bashrc}}.
 
export YACC='byacc -d'
 
export QTDIR=$HOME/qt-unstable
 
export KDEDIR=$HOME/kde
 
export KDEDIRS=$KDEDIR
 
export DBUSDIR=$KDEDIR
 
export PKG_CONFIG_PATH=$DBUSDIR/lib/pkgconfig:$PKG_CONFIG_PATH
 
export PATH=$QTDIR/bin:$KDEDIR/bin:$PATH
 
export LD_LIBRARY_PATH=$QTDIR/lib:$KDEDIR/lib:$LD_LIBRARY_PATH
 
## Uncomment if dbus doesn't work
 
#alias dbusstart="eval `PATH=$DBUSDIR/bin \
 
#$DBUSDIR/bin/dbus-launch --auto-syntax`"
 
function cmakekde { cmake -DCMAKE_INSTALL_PREFIX=$KDEDIR \
 
-DCMAKE_BUILD_TYPE=debugfull [email protected] && make VERBOSE=1 && make install; }
 
 
 
 
 
Activate these settings with: (or logout and login again)
 
source ~/.bashrc
 
 
 
== Get the software ==
 
svn co svn://anonsvn.kde.org/home/kde/trunk/qt-copy
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdelibs
 
wget http://www.cmake.org/files/v2.4/cmake-2.4.5.tar.gz
 
wget http://dbus.freedesktop.org/releases/dbus/dbus-1.0.2.tar.gz
 
{{tip|If you have D-Bus <nowiki>>=</nowiki>0.93 or newer and/or <nowiki>>=</nowiki>CMake 2.4.3 already installed, you can skip the sections "Build D-Bus" and/or "Build CMake".}}
 
 
 
== Build D-Bus ==
 
tar xvfz dbus-1.0.2.tar.gz
 
cd dbus-0.1.0.2/
 
./configure --disable-qt --disable-qt3 --prefix=$DBUSDIR \
 
--localstatedir=/var && make && make install
 
dbus-uuidgen --ensure
 
 
 
== Build CMake ==
 
 
 
CMake is the build system tool used in KDE4. It replaced the autotools and libtool based system used in previous versions of KDE due to cross platform and performance issues.
 
 
 
Your operating system may provide CMake as an optional package. Check to see if there is a package of cmake 2.4.3 or better available and if so install that. If not, then you can download CMake from the [http://cmake.org/HTML/Download.html CMake download page] and build from source following the instructions below.
 
 
 
The default prefix is {{path|/usr/local}}, make sure {{path|/usr/local/bin}} is in your <tt>$PATH</tt>.
 
 
 
cd
 
tar zxf cmake-2.4.5.tar.gz
 
mkdir cmake-build
 
cd cmake-build
 
../cmake-2.4.5/bootstrap
 
make
 
sudo make install
 
 
 
== Build Qt ==
 
cd ~/qt-copy && ./apply_patches && \
 
./configure -qt-gif -no-exceptions -debug -fast \
 
-prefix $QTDIR -qdbus && make && make install
 
 
 
== Build kdelibs ==
 
cd
 
mkdir kdelibs-build
 
cd kdelibs-build
 
cmakekde ../kdelibs
 
 
 
=== Install Additional CMake Modules ===
 
 
 
There are additional CMake modules in kdelibs that are necessary for building KDE applications. To install them:
 
cd
 
cd kdelibs/cmake/modules
 
cmake .
 
make install
 
 
 
You may need to do the last step as root (e.g. using su or sudo), depending on your system setup.
 
 
 
=== Troubleshooting ===
 
If you have problems compiling kdelibs, first make sure the following commands can be executed: aclocal, autoconf, autoheader, gcc, g++, pkg-config.
 
 
 
{{tip|If you get "Could NOT find GIF", install the devel package of <tt>libungif</tt> (the actual name may vary between operating systems).}}
 
 
 
If the problems persist, try the make-option <tt>--keep-going</tt>
 
 
 
== Build kdepimlibs ==
 
Before ''kdebase'' you need to install ''kdepimlibs''
 
 
 
cd
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdepimlibs
 
mkdir kdepimlibs-build
 
cd kdepimlibs-build
 
cmakekde ../kdepimlibs
 
 
 
== Build kdebase ==
 
You may need kdebase for some kioslaves.
 
cd
 
svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdebase
 
mkdir kdebase-build
 
cd kdebase-build
 
cmakekde ../kdebase
 
 
 
=== Troubleshooting ===
 
If you have troubles compiling kdebase:
 
* Make sure you have the <tt>libxss headers</tt> installed. (Usually you got undefined references on xscreensaver objects if you haven't those headers)
 
* <tt>which meinproc</tt> has to deliver {{path|/home/kde-devel/kde/bin/meinproc}}
 
* if cmakekde cannot find the path of kdepimlibs, edit the file /home/kde-devel/kdebase-build/CMakeCache.txt and manually set KDEPIMLIBS_INCLUDE_DIR:PATH=/home/kde-devel/kdepimlibs-build
 
* if you get an error saying "Please set the following variables: X11_XTest_LIB (ADVANCED)", install the devel package of <tt>Xtst</tt>. On some systems, this is packaged separately from <tt>xext</tt> and called <tt>x11proto-xext-dev</tt> or <tt>libxtst-dev</tt>. You may also need to remove the CMakeCache.txt file in the build dir after installing the package.
 
 
 
== Success! ==
 
 
 
You are now ready to start building other svn modules in the same fashion as you built kdebase, running and testing KDE4 or writing your own patches and applications.
 
 
 
See the [[Getting Started/Set up KDE 4 for development|Starting a KDE4 Environment and Applications]] tutorial for how to start working on your new KDE4 installation.
 
 
 
== Additional notes ==
 
 
 
* [http://wiki.kde.org/tiki-index.php?page=KDECMakeIntro Introduction to CMake]
 
 
 
[[Category:Build KDE]]
 
[[Category:KDE4]]
 

Latest revision as of 16:34, 20 March 2011


This page was last edited on 20 March 2011, at 16:34. Content is available under Creative Commons License SA 4.0 unless otherwise noted.