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Diffstat (limited to 'doc/DocBook/Makefile')
| -rw-r--r-- | doc/DocBook/Makefile | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/doc/DocBook/Makefile b/doc/DocBook/Makefile new file mode 100644 index 0000000..2f2ddfc --- /dev/null +++ b/doc/DocBook/Makefile @@ -0,0 +1,229 @@ +### +# This makefile is used to generate the kernel documentation, +# primarily based on in-line comments in various source files. +# See doc/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. + +include $(TOPDIR)/config.mk + +DOCBOOKS := + +### +# 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 += $(obj).depend xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs + +BOOKS := $(addprefix $(OBJTREE)/doc/DocBook/,$(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) + $(call build_images) + $(call install_media_images) + +MAN := $(patsubst %.xml, %.9, $(BOOKS)) +mandocs: $(MAN) + +installmandocs: mandocs + mkdir -p /usr/local/man/man9/ + install doc/DocBook/man/*.9.gz /usr/local/man/man9/ + +### +#External programs used +KERNELDOC = $(SRCTREE)/tools/kernel-doc/kernel-doc +DOCPROC = $(OBJTREE)/tools/kernel-doc/docproc + +XMLTOFLAGS = -m $(SRCTREE)/doc/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). +%.xml: %.tmpl + $(DOCPROC) doc $< >$@ + +ifeq ($@, "cleandocs") +sinclude $(obj).depend +$(obj).depend: $(patsubst %.xml, %.tmpl, $(DOCBOOKS)) + rm -f $(obj).depend ; \ + touch $(obj).depend ; \ + for file in $^ ; do \ + xmlfile=`echo "$${file}" | \ + sed "s/tmpl$$/xml/"` ; \ + echo -n "$${xmlfile}: ">> $(obj).depend ; \ + $(DOCPROC) depend $$file >> $(obj).depend ; \ + echo -e "\n\t$(DOCPROC) doc $< >$${xmlfile} " >> \ + $(obj).depend ; \ + done +endif + +### +# Changes in kernel-doc force a rebuild of all documentation +$(BOOKS): $(KERNELDOC) + +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) + + +index = index.html +main_idx = $(index) +build_main_index = rm -rf $(main_idx); \ + echo '<h1>U-Boot Bootloader HTML Documentation</h1>' >> $(main_idx) && \ + echo '<h2>U-Boot Version: $(U_BOOT_VERSION)</h2>' >> $(main_idx) && \ + cat $(HTML) >> $(main_idx) + +# To work around bug [1] in docbook-xsl-stylesheets 1.76.1 , generate only html +# docs instead of xhtml with xmlto. +# [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=654338 +quiet_cmd_db2html = HTML $@ + cmd_db2html = xmlto html $(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 ' U-Boot bootloader 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 +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)) \ + $(index) + +clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man + +cleandocs: + @rm -f $(obj).depend + @$(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. + +.PHONY: $(PHONY) |