forked from luck/tmp_suning_uos_patched
7e3975617d
This document describes the long-deprecated V4L1 interface. In-tree, it can only serve to encourage developers to write drivers to the wrong API. Remove it in favor of the V4L2 documentation which must surely show up someday. Acked-by: Alan Cox <alan@redhat.com> Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
241 lines
7.2 KiB
Makefile
241 lines
7.2 KiB
Makefile
###
|
|
# 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 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 \
|
|
kernel-hacking.xml kernel-locking.xml deviceiobook.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
|
|
|
|
###
|
|
# The build process is as follows (targets):
|
|
# (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
|
|
|
|
BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))
|
|
xmldocs: $(BOOKS)
|
|
sgmldocs: xmldocs
|
|
|
|
PS := $(patsubst %.xml, %.ps, $(BOOKS))
|
|
psdocs: $(PS)
|
|
|
|
PDF := $(patsubst %.xml, %.pdf, $(BOOKS))
|
|
pdfdocs: $(PDF)
|
|
|
|
HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS)))
|
|
htmldocs: $(HTML)
|
|
$(call build_main_index)
|
|
|
|
MAN := $(patsubst %.xml, %.9, $(BOOKS))
|
|
mandocs: $(MAN)
|
|
|
|
installmandocs: mandocs
|
|
mkdir -p /usr/local/man/man9/
|
|
install Documentation/DocBook/man/*.9.gz /usr/local/man/man9/
|
|
|
|
###
|
|
#External programs used
|
|
KERNELDOC = $(srctree)/scripts/kernel-doc
|
|
DOCPROC = $(objtree)/scripts/basic/docproc
|
|
|
|
XMLTOFLAGS = -m $(srctree)/Documentation/DocBook/stylesheet.xsl
|
|
#XMLTOFLAGS += --skip-validation
|
|
|
|
###
|
|
# DOCPROC is used for two purposes:
|
|
# 1) To generate a dependency list for a .tmpl file
|
|
# 2) To preprocess a .tmpl file and call kernel-doc with
|
|
# appropriate parameters.
|
|
# The following rules are used to generate the .xml documentation
|
|
# required to generate the final targets. (ps, pdf, html).
|
|
quiet_cmd_docproc = DOCPROC $@
|
|
cmd_docproc = SRCTREE=$(srctree)/ $(DOCPROC) doc $< >$@
|
|
define rule_docproc
|
|
set -e; \
|
|
$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))';) \
|
|
$(cmd_$(1)); \
|
|
( \
|
|
echo 'cmd_$@ := $(cmd_$(1))'; \
|
|
echo $@: `SRCTREE=$(srctree) $(DOCPROC) depend $<`; \
|
|
) > $(dir $@).$(notdir $@).cmd
|
|
endef
|
|
|
|
%.xml: %.tmpl FORCE
|
|
$(call if_changed_rule,docproc)
|
|
|
|
###
|
|
#Read in all saved dependency files
|
|
cmd_files := $(wildcard $(foreach f,$(BOOKS),$(dir $(f)).$(notdir $(f)).cmd))
|
|
|
|
ifneq ($(cmd_files),)
|
|
include $(cmd_files)
|
|
endif
|
|
|
|
###
|
|
# Changes in kernel-doc force a rebuild of all documentation
|
|
$(BOOKS): $(KERNELDOC)
|
|
|
|
###
|
|
# procfs guide uses a .c file as example code.
|
|
# This requires an explicit dependency
|
|
C-procfs-example = procfs_example.xml
|
|
C-procfs-example2 = $(addprefix $(obj)/,$(C-procfs-example))
|
|
$(obj)/procfs-guide.xml: $(C-procfs-example2)
|
|
|
|
# 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
|
|
|
|
# the commands, generated from the chosen template
|
|
quiet_cmd_db2ps = PS $@
|
|
cmd_db2ps = $(subst TYPE,ps, $($(PS_METHOD)template))
|
|
%.ps : %.xml
|
|
$(call cmd,db2ps)
|
|
|
|
quiet_cmd_db2pdf = PDF $@
|
|
cmd_db2pdf = $(subst TYPE,pdf, $($(PDF_METHOD)template))
|
|
%.pdf : %.xml
|
|
$(call cmd,db2pdf)
|
|
|
|
|
|
main_idx = Documentation/DocBook/index.html
|
|
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"> \
|
|
$(patsubst %.html,%,$(notdir $@))</a><p>' > $@
|
|
|
|
%.html: %.xml
|
|
@(which xmlto > /dev/null 2>&1) || \
|
|
(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 = 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 xmlto ***"; \
|
|
exit 1)
|
|
$(Q)mkdir -p $(obj)/man
|
|
$(call cmd,db2man)
|
|
@touch $@
|
|
|
|
###
|
|
# Rules to generate postscripts and PNG images from .fig format files
|
|
quiet_cmd_fig2eps = FIG2EPS $@
|
|
cmd_fig2eps = fig2dev -Leps $< $@
|
|
|
|
%.eps: %.fig
|
|
@(which fig2dev > /dev/null 2>&1) || \
|
|
(echo "*** You need to install transfig ***"; \
|
|
exit 1)
|
|
$(call cmd,fig2eps)
|
|
|
|
quiet_cmd_fig2png = FIG2PNG $@
|
|
cmd_fig2png = fig2dev -Lpng $< $@
|
|
|
|
%.png: %.fig
|
|
@(which fig2dev > /dev/null 2>&1) || \
|
|
(echo "*** You need to install transfig ***"; \
|
|
exit 1)
|
|
$(call cmd,fig2png)
|
|
|
|
###
|
|
# Rule to convert a .c file to inline XML documentation
|
|
gen_xml = :
|
|
quiet_gen_xml = echo ' GEN $@'
|
|
silent_gen_xml = :
|
|
%.xml: %.c
|
|
@$($(quiet)gen_xml)
|
|
@( \
|
|
echo "<programlisting>"; \
|
|
expand --tabs=8 < $< | \
|
|
sed -e "s/&/\\&/g" \
|
|
-e "s/</\\</g" \
|
|
-e "s/>/\\>/g"; \
|
|
echo "</programlisting>") > $@
|
|
|
|
###
|
|
# Help targets as used by the top-level makefile
|
|
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'
|
|
|
|
###
|
|
# Temporary files left by various tools
|
|
clean-files := $(DOCBOOKS) \
|
|
$(patsubst %.xml, %.dvi, $(DOCBOOKS)) \
|
|
$(patsubst %.xml, %.aux, $(DOCBOOKS)) \
|
|
$(patsubst %.xml, %.tex, $(DOCBOOKS)) \
|
|
$(patsubst %.xml, %.log, $(DOCBOOKS)) \
|
|
$(patsubst %.xml, %.out, $(DOCBOOKS)) \
|
|
$(patsubst %.xml, %.ps, $(DOCBOOKS)) \
|
|
$(patsubst %.xml, %.pdf, $(DOCBOOKS)) \
|
|
$(patsubst %.xml, %.html, $(DOCBOOKS)) \
|
|
$(patsubst %.xml, %.9, $(DOCBOOKS)) \
|
|
$(C-procfs-example)
|
|
|
|
clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man
|
|
|
|
# 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.
|
|
|
|
.PHONY: $(PHONY)
|