Problem kompilacia kopete

pali@Pali:~/Installs/Kopete/najnovsi$ svn export svn://anonsvn.kde.org/home/kde/trunk/KDE/kdenetwork
A    kdenetwork
A    kdenetwork/cmake
A    kdenetwork/cmake/modules
A    kdenetwork/cmake/modules/FindX11VidMode.cmake
A    kdenetwork/cmake/modules/FindLibVNCServer.cmake
A    kdenetwork/cmake/modules/FindDecibel.cmake
A    kdenetwork/cmake/modules/FindIDN.cmake
A    kdenetwork/cmake/modules/COPYING-CMAKE-SCRIPTS
A    kdenetwork/cmake/modules/FindBTCore.cmake
A    kdenetwork/cmake/modules/FindSLP.cmake
A    kdenetwork/krdc
A    kdenetwork/krdc/hostpreferences.cpp
A    kdenetwork/krdc/Messages.sh
A    kdenetwork/krdc/bookmarkmanager.cpp
A    kdenetwork/krdc/specialkeysdialog.h
A    kdenetwork/krdc/systemtrayicon.h
A    kdenetwork/krdc/krdcui.rc

...

A    kdenetwork/kppp/opener.h
A    kdenetwork/Mainpage.dox
A    kdenetwork/COPYING.DOC
A    kdenetwork/COPYING.LIB
A    kdenetwork/CMakeLists.txt
Exported revision 766814.
pali@Pali:~/Installs/Kopete/najnovsi$ mkdir kdenetwork-build && cd kdenetwork-build
pali@Pali:~/Installs/Kopete/najnovsi/kdenetwork-build$ cmake ../kdenetwork
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Check size of void*
-- Check size of void* - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
CMake Error: ERROR: Could not find KDE4 kde4-config
-- Configuring done
pali@Pali:~/Installs/Kopete/najnovsi/kdenetwork-build$