default_build() {
  persistent_add KDE4DIR                          &&
  KDE4DIR="$INSTALL_ROOT/usr"                &&
  KDE4ETC="$INSTALL_ROOT/etc"                &&
  QTDIR=$INSTALL_ROOT/usr/bin/qt4                 &&
  cd $SOURCE_DIRECTORY                            &&
  mkdir -p build                                  &&
  cd build                                        &&
  PATH=$QTDIR:$PATH             &&
  if [[ $SPELL != kdelibs4 ]];then
   PATH+=:$KDE4DIR
  fi &&
  CMAKE_PREFIX_PATH=$KDE4DIR                      &&

  prepare_cmake_flags                             &&
  cmake -DCMAKE_INSTALL_PREFIX=$KDE4DIR           \
        -DCMAKE_BUILD_TYPE=$KDE_DEBUG_OPTION      \
        -DSYSCONF_INSTALL_DIR=$KDE4ETC            \
        $OPTS ../                                 &&
  make
}


# kde4 also needs a special default_install,
# to maintain some environment variables
default_install() {

  # make sure that kde4 spells install their D-Bus
  # service files into the system D-Bus service dir

  local dir1 dir2  &&

  dir1=$(pkg-config --variable=session_bus_services_dir dbus-1 \
         | cut -d/ -f-4)                                       &&
  dir2=$(echo $dir1 | cut -d/ -f3-)                            &&

  if [[ "$KDE4DIR" != "$INSTALL_ROOT/usr" ]]  &&
     [[ ! -s "$KDE4DIR/$dir2" ]]; then
    mkdir -p "$KDE4DIR/share"     &&
    ln -sf "$INSTALL_ROOT/$dir1"  \
           "$KDE4DIR/share"
  fi  &&

  cd  "$SOURCE_DIRECTORY/build"  &&
  make install
}


# we need a default_final, default_post_remove
# so that the mime and desktop databases get updated
update_databases() {

  source /etc/profile.d/strigi.sh
  update-mime-database $KDE4DIR/share/mime/
  if [[ -e $KDE4DIR/share/desktop-directories ]]; then
    update-desktop-database $KDE4DIR/share/desktop-directories
  fi
}

default_final() {
  update_databases
}


default_post_remove() {
  update_databases
}