# This makefile is used to generate the kernel documentation,
# primarily based on in-line comments in various source files.
# See Documentation/kernel-doc-nano-HOWTO.txt for instruction in how
-# to ducument the SRC - and how to read it.
+# to document the SRC - and how to read it.
# To add a new book the only step required is to add the book to the
# list of DOCBOOKS.
-DOCBOOKS := wanbook.xml z8530book.xml mcabook.xml videobook.xml \
+DOCBOOKS := z8530book.xml mcabook.xml device-drivers.xml \
kernel-hacking.xml kernel-locking.xml deviceiobook.xml \
- procfs-guide.xml writing_usb_driver.xml scsidrivers.xml \
- sis900.xml kernel-api.xml journal-api.xml lsm.xml usb.xml \
- gadget.xml libata.xml mtdnand.xml librs.xml
+ procfs-guide.xml writing_usb_driver.xml networking.xml \
+ kernel-api.xml filesystems.xml lsm.xml usb.xml kgdb.xml \
+ gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \
+ genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \
+ mac80211.xml debugobjects.xml sh.xml regulator.xml \
+ alsa-driver-api.xml writing-an-alsa-driver.xml \
+ tracepoint.xml media.xml
###
# The build process is as follows (targets):
-# (xmldocs)
-# file.tmpl --> file.xml +--> file.ps (psdocs)
-# +--> file.pdf (pdfdocs)
-# +--> DIR=file (htmldocs)
-# +--> man/ (mandocs)
+# (xmldocs) [by docproc]
+# file.tmpl --> file.xml +--> file.ps (psdocs) [by db2ps or xmlto]
+# +--> file.pdf (pdfdocs) [by db2pdf or xmlto]
+# +--> DIR=file (htmldocs) [by xmlto]
+# +--> man/ (mandocs) [by xmlto]
+
+
+# for PDF and PS output you can choose between xmlto and docbook-utils tools
+PDF_METHOD = $(prefer-db2x)
+PS_METHOD = $(prefer-db2x)
+
###
# The targets that may be used.
-.PHONY: xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs
+PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs media
BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))
xmldocs: $(BOOKS)
PDF := $(patsubst %.xml, %.pdf, $(BOOKS))
pdfdocs: $(PDF)
-HTML := $(patsubst %.xml, %.html, $(BOOKS))
-htmldocs: $(HTML)
+HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS)))
+htmldocs: media $(HTML)
+ $(call build_main_index)
MAN := $(patsubst %.xml, %.9, $(BOOKS))
mandocs: $(MAN)
+media:
+ mkdir -p $(srctree)/Documentation/DocBook/media/
+ cp $(srctree)/Documentation/DocBook/dvb/*.png $(srctree)/Documentation/DocBook/v4l/*.gif $(srctree)/Documentation/DocBook/media/
+
installmandocs: mandocs
mkdir -p /usr/local/man/man9/
install Documentation/DocBook/man/*.9.gz /usr/local/man/man9/
###
#External programs used
-KERNELDOC = scripts/kernel-doc
-DOCPROC = scripts/basic/docproc
+KERNELDOC = $(srctree)/scripts/kernel-doc
+DOCPROC = $(objtree)/scripts/basic/docproc
-XMLTOFLAGS = -m Documentation/DocBook/stylesheet.xsl
+XMLTOFLAGS = -m $(srctree)/Documentation/DocBook/stylesheet.xsl
#XMLTOFLAGS += --skip-validation
###
C-procfs-example2 = $(addprefix $(obj)/,$(C-procfs-example))
$(obj)/procfs-guide.xml: $(C-procfs-example2)
-###
-# Rules to generate postscript, PDF and HTML
-# db2html creates a directory. Generate a html file used for timestamp
+# List of programs to build
+##oops, this is a kernel module::hostprogs-y := procfs_example
+obj-m += procfs_example.o
+
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)
+
+notfoundtemplate = echo "*** You have to install docbook-utils or xmlto ***"; \
+ exit 1
+db2xtemplate = db2TYPE -o $(dir $@) $<
+xmltotemplate = xmlto TYPE $(XMLTOFLAGS) -o $(dir $@) $<
+
+# determine which methods are available
+ifeq ($(shell which db2ps >/dev/null 2>&1 && echo found),found)
+ use-db2x = db2x
+ prefer-db2x = db2x
+else
+ use-db2x = notfound
+ prefer-db2x = $(use-xmlto)
+endif
+ifeq ($(shell which xmlto >/dev/null 2>&1 && echo found),found)
+ use-xmlto = xmlto
+ prefer-xmlto = xmlto
+else
+ use-xmlto = notfound
+ prefer-xmlto = $(use-db2x)
+endif
-quiet_cmd_db2ps = XMLTO $@
- cmd_db2ps = xmlto ps $(XMLTOFLAGS) -o $(dir $@) $<
+# the commands, generated from the chosen template
+quiet_cmd_db2ps = PS $@
+ cmd_db2ps = $(subst TYPE,ps, $($(PS_METHOD)template))
%.ps : %.xml
- @(which xmlto > /dev/null 2>&1) || \
- (echo "*** You need to install DocBook stylesheets ***"; \
- exit 1)
$(call cmd,db2ps)
-quiet_cmd_db2pdf = XMLTO $@
- cmd_db2pdf = xmlto pdf $(XMLTOFLAGS) -o $(dir $@) $<
+quiet_cmd_db2pdf = PDF $@
+ cmd_db2pdf = $(subst TYPE,pdf, $($(PDF_METHOD)template))
%.pdf : %.xml
- @(which xmlto > /dev/null 2>&1) || \
- (echo "*** You need to install DocBook stylesheets ***"; \
- exit 1)
$(call cmd,db2pdf)
-quiet_cmd_db2html = XMLTO $@
+
+index = index.html
+main_idx = Documentation/DocBook/$(index)
+build_main_index = rm -rf $(main_idx) && \
+ echo '<h1>Linux Kernel HTML Documentation</h1>' >> $(main_idx) && \
+ echo '<h2>Kernel Version: $(KERNELVERSION)</h2>' >> $(main_idx) && \
+ cat $(HTML) >> $(main_idx)
+
+quiet_cmd_db2html = HTML $@
cmd_db2html = xmlto xhtml $(XMLTOFLAGS) -o $(patsubst %.html,%,$@) $< && \
echo '<a HREF="$(patsubst %.html,%,$(notdir $@))/index.html"> \
- Goto $(patsubst %.html,%,$(notdir $@))</a><p>' > $@
+ $(patsubst %.html,%,$(notdir $@))</a><p>' > $@
%.html: %.xml
@(which xmlto > /dev/null 2>&1) || \
- (echo "*** You need to install DocBook stylesheets ***"; \
+ (echo "*** You need to install xmlto ***"; \
exit 1)
@rm -rf $@ $(patsubst %.html,%,$@)
$(call cmd,db2html)
@if [ ! -z "$(PNG-$(basename $(notdir $@)))" ]; then \
cp $(PNG-$(basename $(notdir $@))) $(patsubst %.html,%,$@); fi
-quiet_cmd_db2man = XMLTO $@
+quiet_cmd_db2man = MAN $@
cmd_db2man = if grep -q refentry $<; then xmlto man $(XMLTOFLAGS) -o $(obj)/man $< ; gzip -f $(obj)/man/*.9; fi
%.9 : %.xml
@(which xmlto > /dev/null 2>&1) || \
- (echo "*** You need to install DocBook stylesheets ***"; \
+ (echo "*** You need to install xmlto ***"; \
exit 1)
+ $(Q)mkdir -p $(obj)/man
$(call cmd,db2man)
@touch $@
###
-# Rules to generate postscripts and PNG imgages from .fig format files
+# Rules to generate postscripts and PNG images from .fig format files
quiet_cmd_fig2eps = FIG2EPS $@
cmd_fig2eps = fig2dev -Leps $< $@
###
# Rule to convert a .c file to inline XML documentation
+ gen_xml = :
+ quiet_gen_xml = echo ' GEN $@'
+silent_gen_xml = :
%.xml: %.c
- @echo ' GEN $@'
+ @$($(quiet)gen_xml)
@( \
echo "<programlisting>"; \
expand --tabs=8 < $< | \
###
# Help targets as used by the top-level makefile
dochelp:
- @echo ' Linux kernel internal documentation in different formats:'
- @echo ' xmldocs (XML DocBook), psdocs (Postscript), pdfdocs (PDF)'
- @echo ' htmldocs (HTML), mandocs (man pages, use installmandocs to install)'
+ @echo ' Linux kernel internal documentation in different formats:'
+ @echo ' htmldocs - HTML'
+ @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
$(patsubst %.xml, %.pdf, $(DOCBOOKS)) \
$(patsubst %.xml, %.html, $(DOCBOOKS)) \
$(patsubst %.xml, %.9, $(DOCBOOKS)) \
- $(C-procfs-example)
+ $(C-procfs-example) $(index)
+
+clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man
+
+cleandocs:
+ $(Q)rm -f $(call objectify, $(clean-files))
+ $(Q)rm -rf $(call objectify, $(clean-dirs))
-clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS))
+# 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.
-#man put files in man subdir - traverse down
-subdir- := man/
+.PHONY: $(PHONY)