make PREFIX=/usr ETCDIR=/etc/notion install
install_wmfiles &&
[ ! -e $INSTALL_ROOT/usr/bin/startpwm3plus ] && 
install -m 0755 $SCRIPT_DIRECTORY/startpwm3plus \
  $INSTALL_ROOT/usr/bin/
[ ! -e $INSTALL_ROOT/usr/share/xsessions/pwm3plus.desktop ] && 
install -m 0755 $SCRIPT_DIRECTORY/pwm3plus.desktop \
  $INSTALL_ROOT/usr/share/xsessions/
