IF(DOCBOOK_TO_MAN_FOUND)
  DOCBOOK_CREATE_MAN( ptb-man 6 plee-the-bear.sgml )
ELSE(DOCBOOK_TO_MAN_FOUND)
  MESSAGE("docbook-to-man was not found on your system. The manpages of "
    "Plee the Bear are not generated.")
ENDIF(DOCBOOK_TO_MAN_FOUND)
