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1da177e4 LT |
1 | ### |
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 | |
58ef2c4c | 5 | # to document the SRC - and how to read it. |
1da177e4 LT |
6 | # To add a new book the only step required is to add the book to the |
7 | # list of DOCBOOKS. | |
8 | ||
bb8187d3 | 9 | DOCBOOKS := z8530book.xml device-drivers.xml \ |
ac9296f9 | 10 | kernel-hacking.xml kernel-locking.xml deviceiobook.xml \ |
82c1e49c | 11 | writing_usb_driver.xml networking.xml \ |
e3e2aaf7 | 12 | kernel-api.xml filesystems.xml lsm.xml usb.xml kgdb.xml \ |
11c869ea | 13 | gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \ |
dbbea671 | 14 | genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \ |
352de557 | 15 | 80211.xml debugobjects.xml sh.xml regulator.xml \ |
a76f8c6d | 16 | alsa-driver-api.xml writing-an-alsa-driver.xml \ |
60b6dbef AS |
17 | tracepoint.xml drm.xml media_api.xml w1.xml \ |
18 | writing_musb_glue_layer.xml | |
42661299 | 19 | |
b12f7374 | 20 | include Documentation/DocBook/media/Makefile |
1da177e4 LT |
21 | |
22 | ### | |
23 | # The build process is as follows (targets): | |
2ac534bc RD |
24 | # (xmldocs) [by docproc] |
25 | # file.tmpl --> file.xml +--> file.ps (psdocs) [by db2ps or xmlto] | |
26 | # +--> file.pdf (pdfdocs) [by db2pdf or xmlto] | |
27 | # +--> DIR=file (htmldocs) [by xmlto] | |
28 | # +--> man/ (mandocs) [by xmlto] | |
1da177e4 | 29 | |
71f95cfb MW |
30 | |
31 | # for PDF and PS output you can choose between xmlto and docbook-utils tools | |
32 | PDF_METHOD = $(prefer-db2x) | |
33 | PS_METHOD = $(prefer-db2x) | |
34 | ||
35 | ||
1da177e4 LT |
36 | ### |
37 | # The targets that may be used. | |
42661299 | 38 | PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs |
1da177e4 | 39 | |
6f89b9c1 | 40 | targets += $(DOCBOOKS) |
1da177e4 | 41 | BOOKS := $(addprefix $(obj)/,$(DOCBOOKS)) |
a435600e | 42 | xmldocs: $(BOOKS) |
1da177e4 LT |
43 | sgmldocs: xmldocs |
44 | ||
45 | PS := $(patsubst %.xml, %.ps, $(BOOKS)) | |
46 | psdocs: $(PS) | |
47 | ||
48 | PDF := $(patsubst %.xml, %.pdf, $(BOOKS)) | |
49 | pdfdocs: $(PDF) | |
50 | ||
f15a3ccd | 51 | HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS))) |
04893043 | 52 | htmldocs: $(HTML) |
eb81d930 | 53 | $(call build_main_index) |
49b14650 | 54 | $(call build_images) |
bd7319dc | 55 | $(call install_media_images) |
1da177e4 LT |
56 | |
57 | MAN := $(patsubst %.xml, %.9, $(BOOKS)) | |
58 | mandocs: $(MAN) | |
832919bf | 59 | $(if $(wildcard $(obj)/man/*.9),gzip -f $(obj)/man/*.9) |
1da177e4 LT |
60 | |
61 | installmandocs: mandocs | |
8b0c2d98 | 62 | mkdir -p /usr/local/man/man9/ |
ec3fadd6 | 63 | install $(obj)/man/*.9.gz /usr/local/man/man9/ |
1da177e4 LT |
64 | |
65 | ### | |
66 | #External programs used | |
829ad751 | 67 | KERNELDOC = $(srctree)/scripts/kernel-doc |
bffd2020 | 68 | DOCPROC = $(objtree)/scripts/docproc |
8b0c2d98 | 69 | |
ec3fadd6 | 70 | XMLTOFLAGS = -m $(srctree)/$(src)/stylesheet.xsl |
82c1e49c | 71 | XMLTOFLAGS += --skip-validation |
1da177e4 LT |
72 | |
73 | ### | |
74 | # DOCPROC is used for two purposes: | |
75 | # 1) To generate a dependency list for a .tmpl file | |
76 | # 2) To preprocess a .tmpl file and call kernel-doc with | |
77 | # appropriate parameters. | |
78 | # The following rules are used to generate the .xml documentation | |
79 | # required to generate the final targets. (ps, pdf, html). | |
80 | quiet_cmd_docproc = DOCPROC $@ | |
81 | cmd_docproc = SRCTREE=$(srctree)/ $(DOCPROC) doc $< >$@ | |
82 | define rule_docproc | |
83 | set -e; \ | |
84 | $(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))';) \ | |
85 | $(cmd_$(1)); \ | |
86 | ( \ | |
87 | echo 'cmd_$@ := $(cmd_$(1))'; \ | |
88 | echo $@: `SRCTREE=$(srctree) $(DOCPROC) depend $<`; \ | |
89 | ) > $(dir $@).$(notdir $@).cmd | |
90 | endef | |
91 | ||
100da4c0 | 92 | %.xml: %.tmpl $(KERNELDOC) $(DOCPROC) FORCE |
1da177e4 LT |
93 | $(call if_changed_rule,docproc) |
94 | ||
3794f3e8 RD |
95 | # Tell kbuild to always build the programs |
96 | always := $(hostprogs-y) | |
97 | ||
71f95cfb MW |
98 | notfoundtemplate = echo "*** You have to install docbook-utils or xmlto ***"; \ |
99 | exit 1 | |
100 | db2xtemplate = db2TYPE -o $(dir $@) $< | |
101 | xmltotemplate = xmlto TYPE $(XMLTOFLAGS) -o $(dir $@) $< | |
102 | ||
103 | # determine which methods are available | |
104 | ifeq ($(shell which db2ps >/dev/null 2>&1 && echo found),found) | |
105 | use-db2x = db2x | |
106 | prefer-db2x = db2x | |
107 | else | |
108 | use-db2x = notfound | |
109 | prefer-db2x = $(use-xmlto) | |
110 | endif | |
111 | ifeq ($(shell which xmlto >/dev/null 2>&1 && echo found),found) | |
112 | use-xmlto = xmlto | |
113 | prefer-xmlto = xmlto | |
114 | else | |
115 | use-xmlto = notfound | |
116 | prefer-xmlto = $(use-db2x) | |
117 | endif | |
1da177e4 | 118 | |
71f95cfb MW |
119 | # the commands, generated from the chosen template |
120 | quiet_cmd_db2ps = PS $@ | |
121 | cmd_db2ps = $(subst TYPE,ps, $($(PS_METHOD)template)) | |
1da177e4 | 122 | %.ps : %.xml |
1da177e4 LT |
123 | $(call cmd,db2ps) |
124 | ||
a34645f5 | 125 | quiet_cmd_db2pdf = PDF $@ |
71f95cfb | 126 | cmd_db2pdf = $(subst TYPE,pdf, $($(PDF_METHOD)template)) |
1da177e4 | 127 | %.pdf : %.xml |
1da177e4 LT |
128 | $(call cmd,db2pdf) |
129 | ||
eb81d930 | 130 | |
64e3da10 | 131 | index = index.html |
ec3fadd6 | 132 | main_idx = $(obj)/$(index) |
04893043 | 133 | build_main_index = rm -rf $(main_idx); \ |
eb81d930 BP |
134 | echo '<h1>Linux Kernel HTML Documentation</h1>' >> $(main_idx) && \ |
135 | echo '<h2>Kernel Version: $(KERNELVERSION)</h2>' >> $(main_idx) && \ | |
136 | cat $(HTML) >> $(main_idx) | |
137 | ||
a34645f5 | 138 | quiet_cmd_db2html = HTML $@ |
c4d79a47 | 139 | cmd_db2html = xmlto html $(XMLTOFLAGS) -o $(patsubst %.html,%,$@) $< && \ |
4fa35166 | 140 | echo '<a HREF="$(patsubst %.html,%,$(notdir $@))/index.html"> \ |
ec3fadd6 | 141 | $(patsubst %.html,%,$(notdir $@))</a><p>' > $@ |
1da177e4 LT |
142 | |
143 | %.html: %.xml | |
8b0c2d98 | 144 | @(which xmlto > /dev/null 2>&1) || \ |
fd4a3244 | 145 | (echo "*** You need to install xmlto ***"; \ |
1da177e4 LT |
146 | exit 1) |
147 | @rm -rf $@ $(patsubst %.html,%,$@) | |
148 | $(call cmd,db2html) | |
149 | @if [ ! -z "$(PNG-$(basename $(notdir $@)))" ]; then \ | |
150 | cp $(PNG-$(basename $(notdir $@))) $(patsubst %.html,%,$@); fi | |
151 | ||
71f95cfb | 152 | quiet_cmd_db2man = MAN $@ |
832919bf | 153 | cmd_db2man = if grep -q refentry $<; then xmlto man $(XMLTOFLAGS) -o $(obj)/man $< ; fi |
8b0c2d98 MW |
154 | %.9 : %.xml |
155 | @(which xmlto > /dev/null 2>&1) || \ | |
fd4a3244 | 156 | (echo "*** You need to install xmlto ***"; \ |
8b0c2d98 | 157 | exit 1) |
e711db3e | 158 | $(Q)mkdir -p $(obj)/man |
8b0c2d98 MW |
159 | $(call cmd,db2man) |
160 | @touch $@ | |
1da177e4 LT |
161 | |
162 | ### | |
0f035b8e | 163 | # Rules to generate postscripts and PNG images from .fig format files |
1da177e4 LT |
164 | quiet_cmd_fig2eps = FIG2EPS $@ |
165 | cmd_fig2eps = fig2dev -Leps $< $@ | |
166 | ||
167 | %.eps: %.fig | |
168 | @(which fig2dev > /dev/null 2>&1) || \ | |
169 | (echo "*** You need to install transfig ***"; \ | |
170 | exit 1) | |
171 | $(call cmd,fig2eps) | |
172 | ||
173 | quiet_cmd_fig2png = FIG2PNG $@ | |
174 | cmd_fig2png = fig2dev -Lpng $< $@ | |
175 | ||
176 | %.png: %.fig | |
177 | @(which fig2dev > /dev/null 2>&1) || \ | |
178 | (echo "*** You need to install transfig ***"; \ | |
179 | exit 1) | |
180 | $(call cmd,fig2png) | |
181 | ||
182 | ### | |
183 | # Rule to convert a .c file to inline XML documentation | |
759cd603 MF |
184 | gen_xml = : |
185 | quiet_gen_xml = echo ' GEN $@' | |
186 | silent_gen_xml = : | |
1da177e4 | 187 | %.xml: %.c |
759cd603 | 188 | @$($(quiet)gen_xml) |
1da177e4 LT |
189 | @( \ |
190 | echo "<programlisting>"; \ | |
191 | expand --tabs=8 < $< | \ | |
192 | sed -e "s/&/\\&/g" \ | |
193 | -e "s/</\\</g" \ | |
194 | -e "s/>/\\>/g"; \ | |
195 | echo "</programlisting>") > $@ | |
196 | ||
197 | ### | |
198 | # Help targets as used by the top-level makefile | |
199 | dochelp: | |
6fc52f81 JJ |
200 | @echo ' Linux kernel internal documentation in different formats:' |
201 | @echo ' htmldocs - HTML' | |
6fc52f81 JJ |
202 | @echo ' pdfdocs - PDF' |
203 | @echo ' psdocs - Postscript' | |
204 | @echo ' xmldocs - XML DocBook' | |
2810ae8c RD |
205 | @echo ' mandocs - man pages' |
206 | @echo ' installmandocs - install man pages generated by mandocs' | |
207 | @echo ' cleandocs - clean all generated DocBook files' | |
1da177e4 LT |
208 | |
209 | ### | |
210 | # Temporary files left by various tools | |
211 | clean-files := $(DOCBOOKS) \ | |
212 | $(patsubst %.xml, %.dvi, $(DOCBOOKS)) \ | |
213 | $(patsubst %.xml, %.aux, $(DOCBOOKS)) \ | |
214 | $(patsubst %.xml, %.tex, $(DOCBOOKS)) \ | |
215 | $(patsubst %.xml, %.log, $(DOCBOOKS)) \ | |
216 | $(patsubst %.xml, %.out, $(DOCBOOKS)) \ | |
217 | $(patsubst %.xml, %.ps, $(DOCBOOKS)) \ | |
218 | $(patsubst %.xml, %.pdf, $(DOCBOOKS)) \ | |
219 | $(patsubst %.xml, %.html, $(DOCBOOKS)) \ | |
220 | $(patsubst %.xml, %.9, $(DOCBOOKS)) \ | |
82c1e49c | 221 | $(index) |
1da177e4 | 222 | |
42661299 | 223 | clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man |
4f193362 | 224 | |
42661299 | 225 | cleandocs: cleanmediadocs |
2810ae8c RD |
226 | $(Q)rm -f $(call objectify, $(clean-files)) |
227 | $(Q)rm -rf $(call objectify, $(clean-dirs)) | |
228 | ||
4f193362 PS |
229 | # Declare the contents of the .PHONY variable as phony. We keep that |
230 | # information in a variable se we can use it in if_changed and friends. | |
231 | ||
232 | .PHONY: $(PHONY) |