docbook: make cleandocs

###

# The targets that may be used.

PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs

PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs

BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))

xmldocs: $(BOOKS)

dochelp:

	@echo  ' Linux kernel internal documentation in different formats:'

	@echo  '  htmldocs        - HTML'

	@echo  '  installmandocs  - install man pages generated by mandocs'

	@echo  '  mandocs         - man pages'

	@echo  '  pdfdocs         - PDF'

	@echo  '  psdocs          - Postscript'

	@echo  '  xmldocs         - XML DocBook'

	@echo  '  mandocs         - man pages'

	@echo  '  installmandocs  - install man pages generated by mandocs'

	@echo  '  cleandocs       - clean all generated DocBook files'

###

# Temporary files left by various tools

clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man

cleandocs:

	$(Q)rm -f $(call objectify, $(clean-files))

	$(Q)rm -rf $(call objectify, $(clean-dirs))

# Declare the contents of the .PHONY variable as phony.  We keep that

# information in a variable se we can use it in if_changed and friends.