anchor.diff:  
   pkg_postinst_${PN} () {
   #!/bin/sh
  +update-alternatives --install ${base_bindir}/mountpoint mountpoint mountpoint.${PN} 200
   update-alternatives --install ${base_sbindir}/halt halt halt.${PN} 200
   update-alternatives --install ${base_sbindir}/reboot reboot reboot.${PN} 200
   update-alternatives --install ${base_sbindir}/poweroff poweroff poweroff.${PN} 200
  
positive.code: 
  pkg_prerm_${PN} () {
  #!/bin/sh
  update-alternatives --remove halt halt.${PN}
  update-alternatives --remove reboot reboot.${PN}
  update-alternatives --remove shutdown shutdown.${PN}
  
negative.code: 	done
  	mv                 ${D}${base_sbindir}/init               ${D}${base_sbindir}/init.${PN}
  	mv ${D}${base_bindir}/pidof ${D}${base_bindir}/pidof.${PN}
  	mv ${D}${base_bindir}/mountpoint ${D}${base_bindir}/mountpoint.${PN}
  	mv ${D}${base_sbindir}/halt ${D}${base_sbindir}/halt.${PN}
  	mv ${D}${base_sbindir}/reboot ${D}${base_sbindir}/reboot.${PN}
  	mv ${D}${base_sbindir}/shutdown ${D}${base_sbindir}/shutdown.${PN}
  