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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.
| | #REDIRECT [[Getting_Started/Build|Building KDE]] |
| http://developer.kde.org/build/compile_cvs.html.
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| This topic shows one way that works. It does not intend to explain the obvious background behind it.
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| To reduce complexity, we use the bash-shell (standard) throughout the tutorial.
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| == Become the user kde-devel ==
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| useradd kde-devel
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| mkdir /home/kde-devel
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| chown kde-devel:kde-devel /home/kde-devel 2>/dev/null || \
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| chown kde-devel:users /home/kde-devel
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| Switch to the user kde-devel:
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| su - kde-devel
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| == Set Environment Variables ==
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| You have to add some environment variables - add these lines to {{path|~/.bashrc}}.
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| export YACC='byacc -d'
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| export QTDIR=$HOME/qt-unstable
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| export KDEDIR=$HOME/kde
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| export KDEDIRS=$KDEDIR
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| export DBUSDIR=$KDEDIR
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| export PKG_CONFIG_PATH=$DBUSDIR/lib/pkgconfig:$PKG_CONFIG_PATH
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| export PATH=$QTDIR/bin:$KDEDIR/bin:$PATH
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| export LD_LIBRARY_PATH=$QTDIR/lib:$KDEDIR/lib:$LD_LIBRARY_PATH
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| alias dbusstart="eval `PATH=$DBUSDIR/bin \
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| $DBUSDIR/bin/dbus-launch --auto-syntax`"
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| function cmakekde { cmake -DCMAKE_INSTALL_PREFIX=$HOME/kde \
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| -DCMAKE_BUILD_TYPE=debugfull $@ && make VERBOSE=1 && make install; }
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| == Check out the software ==
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| svn co svn://anonsvn.kde.org/home/kde/trunk/qt-copy
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| svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdelibs
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| wget http://www.cmake.org/files/v2.4/cmake-2.4.3.tar.gz
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| wget http://dbus.freedesktop.org/releases/dbus-0.91.tar.gz
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| == Build D-Bus ==
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| tar xvfz dbus-0.91.tar.gz
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| cd dbus-0.91/
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| ./configure --disable-qt --disable-qt3 --prefix=$DBUSDIR \
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| --localstatedir=/var && make && su -c "make install"
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| '''Make sure the dbus session is running'''. Otherwise some parts of the build will fail, e.g. <code>kxml_compiler</code> based file processing in kdepim:
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| dbusstart
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| == Build Qt ==
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| cd ~/qt-copy && \
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| ./configure -qt-gif -no-exceptions -debug -fast \
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| -prefix $QTDIR -qdbus && make && make install
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| == Build and Install CMake ==
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| The default prefix is <code>/usr/local</code>, make sure {{path|/usr/local/bin}} is in your <code>$PATH</code>.
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| tar zxf cmake-2.4.3.tar.gz
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| mkdir cmake-build
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| cd cmake-build
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| ../cmake-2.4.3/bootstrap
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| make
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| sudo make install
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| == Build kdelibs ==
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| cd ~/
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| mkdir kdelibs-build
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| cd kdelibs-build
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| cmakekde ../kdelibs
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| === Troubleshooting ===
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| If you have problems compiling this, first make sure the following commands can be executed: aclocal, autoconf, autoheader, gcc, g++, pkg-config.
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| ; Note: If you get "Could NOT find GIF", install the devel package of <code>libungif</code> (the actual name may vary on distribution).
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| If the problems persist, try the make-option <code>--keep-going</code>
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| == Build kdepimlibs ==
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| Before ''kdebase'' you need to install ''kdepimlibs''
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| cd
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| svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdepimlibs
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| mkdir kdepimlibs-build
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| cd kdepimlibs-build
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| cmakekde ../kdepimlibs
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| === Troubleshooting ===
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| To compile against kdelibs (not the snapshot) add
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| set(KDE4_IGNORE_DONTPORT TRUE)
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| to the {{path|CMakeLists.txt}} before <code>find_package(KDE4 REQUIRED)</code>
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| == Build kdebase ==
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| You may need kdebase for some kioslaves.
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| cd
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| svn co svn://anonsvn.kde.org/home/kde/trunk/KDE/kdebase
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| mkdir kdebase-build
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| cd kdebase-build
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| cmakekde ../kdebase
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| === Troubleshooting ===
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| If you have troubles compiling this:
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| * Make sure you have the <code>libxss headers</code> installed. (Usually you got undefined references on xscreensaver objects if you haven't those headers)
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| * <code>which meinproc</code> has to deliver {{path|/home/kde-devel/kde/bin/meinproc}}
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| == Start KDE 4 Programs ==
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| To start the desktop environment itself, do:
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| X :1 & export DISPLAY=:1
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| startkde
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| Maybe you are logged in as your normal user (not kde-devel), want to stay in your current environment (KDE 3.5, gnome, whatever) and start a KDE 4 program. To start only kwrite from KDE 4, do:
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| ssh -X kde-devel@localhost
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| kwrite
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| [[Category:Build KDE]]
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| [[Category:KDE4]]
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