2 # This makefile is used to generate the kernel documentation,
3 # primarily based on in-line comments in various source files.
4 # See Documentation/kernel-doc-nano-HOWTO.txt for instruction in how
5 # to ducument the SRC - and how to read it.
6 # To add a new book the only step required is to add the book to the
9 DOCBOOKS := wanbook.xml z8530book.xml mcabook.xml videobook.xml \
10 kernel-hacking.xml kernel-locking.xml deviceiobook.xml \
11 procfs-guide.xml writing_usb_driver.xml \
12 sis900.xml kernel-api.xml journal-api.xml lsm.xml usb.xml \
13 gadget.xml libata.xml mtdnand.xml librs.xml
16 # The build process is as follows (targets):
18 # file.tmpl --> file.xml +--> file.ps (psdocs)
19 # +--> file.pdf (pdfdocs)
20 # +--> DIR=file (htmldocs)
24 # The targets that may be used.
25 .PHONY: xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs
27 BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))
31 PS := $(patsubst %.xml, %.ps, $(BOOKS))
34 PDF := $(patsubst %.xml, %.pdf, $(BOOKS))
37 HTML := $(patsubst %.xml, %.html, $(BOOKS))
40 MAN := $(patsubst %.xml, %.9, $(BOOKS))
43 installmandocs: mandocs
44 mkdir -p /usr/local/man/man9/
45 install Documentation/DocBook/man/*.9.gz /usr/local/man/man9/
48 #External programs used
49 KERNELDOC = scripts/kernel-doc
50 DOCPROC = scripts/basic/docproc
52 XMLTOFLAGS = -m Documentation/DocBook/stylesheet.xsl
53 #XMLTOFLAGS += --skip-validation
56 # DOCPROC is used for two purposes:
57 # 1) To generate a dependency list for a .tmpl file
58 # 2) To preprocess a .tmpl file and call kernel-doc with
59 # appropriate parameters.
60 # The following rules are used to generate the .xml documentation
61 # required to generate the final targets. (ps, pdf, html).
62 quiet_cmd_docproc = DOCPROC $@
63 cmd_docproc = SRCTREE=$(srctree)/ $(DOCPROC) doc $< >$@
66 $(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))';) \
69 echo 'cmd_$@ := $(cmd_$(1))'; \
70 echo $@: `SRCTREE=$(srctree) $(DOCPROC) depend $<`; \
71 ) > $(dir $@).$(notdir $@).cmd
75 $(call if_changed_rule,docproc)
78 #Read in all saved dependency files
79 cmd_files := $(wildcard $(foreach f,$(BOOKS),$(dir $(f)).$(notdir $(f)).cmd))
86 # Changes in kernel-doc force a rebuild of all documentation
87 $(BOOKS): $(KERNELDOC)
90 # procfs guide uses a .c file as example code.
91 # This requires an explicit dependency
92 C-procfs-example = procfs_example.xml
93 C-procfs-example2 = $(addprefix $(obj)/,$(C-procfs-example))
94 $(obj)/procfs-guide.xml: $(C-procfs-example2)
97 # Rules to generate postscript, PDF and HTML
98 # db2html creates a directory. Generate a html file used for timestamp
100 quiet_cmd_db2ps = XMLTO $@
101 cmd_db2ps = xmlto ps $(XMLTOFLAGS) -o $(dir $@) $<
103 @(which xmlto > /dev/null 2>&1) || \
104 (echo "*** You need to install xmlto ***"; \
108 quiet_cmd_db2pdf = XMLTO $@
109 cmd_db2pdf = xmlto pdf $(XMLTOFLAGS) -o $(dir $@) $<
111 @(which xmlto > /dev/null 2>&1) || \
112 (echo "*** You need to install xmlto ***"; \
116 quiet_cmd_db2html = XMLTO $@
117 cmd_db2html = xmlto xhtml $(XMLTOFLAGS) -o $(patsubst %.html,%,$@) $< && \
118 echo '<a HREF="$(patsubst %.html,%,$(notdir $@))/index.html"> \
119 Goto $(patsubst %.html,%,$(notdir $@))</a><p>' > $@
122 @(which xmlto > /dev/null 2>&1) || \
123 (echo "*** You need to install xmlto ***"; \
125 @rm -rf $@ $(patsubst %.html,%,$@)
127 @if [ ! -z "$(PNG-$(basename $(notdir $@)))" ]; then \
128 cp $(PNG-$(basename $(notdir $@))) $(patsubst %.html,%,$@); fi
130 quiet_cmd_db2man = XMLTO $@
131 cmd_db2man = if grep -q refentry $<; then xmlto man $(XMLTOFLAGS) -o $(obj)/man $< ; gzip -f $(obj)/man/*.9; fi
133 @(which xmlto > /dev/null 2>&1) || \
134 (echo "*** You need to install xmlto ***"; \
140 # Rules to generate postscripts and PNG imgages from .fig format files
141 quiet_cmd_fig2eps = FIG2EPS $@
142 cmd_fig2eps = fig2dev -Leps $< $@
145 @(which fig2dev > /dev/null 2>&1) || \
146 (echo "*** You need to install transfig ***"; \
150 quiet_cmd_fig2png = FIG2PNG $@
151 cmd_fig2png = fig2dev -Lpng $< $@
154 @(which fig2dev > /dev/null 2>&1) || \
155 (echo "*** You need to install transfig ***"; \
160 # Rule to convert a .c file to inline XML documentation
164 echo "<programlisting>"; \
165 expand --tabs=8 < $< | \
166 sed -e "s/&/\\&/g" \
169 echo "</programlisting>") > $@
172 # Help targets as used by the top-level makefile
174 @echo ' Linux kernel internal documentation in different formats:'
175 @echo ' xmldocs (XML DocBook), psdocs (Postscript), pdfdocs (PDF)'
176 @echo ' htmldocs (HTML), mandocs (man pages, use installmandocs to install)'
179 # Temporary files left by various tools
180 clean-files := $(DOCBOOKS) \
181 $(patsubst %.xml, %.dvi, $(DOCBOOKS)) \
182 $(patsubst %.xml, %.aux, $(DOCBOOKS)) \
183 $(patsubst %.xml, %.tex, $(DOCBOOKS)) \
184 $(patsubst %.xml, %.log, $(DOCBOOKS)) \
185 $(patsubst %.xml, %.out, $(DOCBOOKS)) \
186 $(patsubst %.xml, %.ps, $(DOCBOOKS)) \
187 $(patsubst %.xml, %.pdf, $(DOCBOOKS)) \
188 $(patsubst %.xml, %.html, $(DOCBOOKS)) \
189 $(patsubst %.xml, %.9, $(DOCBOOKS)) \
192 clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS))
194 #man put files in man subdir - traverse down