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linux/Documentation/DocBook/media/Makefile
Mauro Carvalho Chehab 5240f4e68d [media] DocBook/media/Makefile: Avoid make htmldocs to fail 
If make is called twice like that:
	make V=1 DOCBOOKS=device-drivers.xml htmldocs

Make will fail with:

	make -f ./scripts/Makefile.build obj=scripts/basic
	rm -f .tmp_quiet_recordmcount
	make -f ./scripts/Makefile.build obj=scripts build_docproc
	make -f ./scripts/Makefile.build obj=Documentation/DocBook htmldocs
	rm -rf Documentation/DocBook/index.html; echo '<h1>Linux Kernel HTML Documentation</h1>' >> Documentation/DocBook/index.html && echo '<h2>Kernel Version: 4.2.0-rc2</h2>' >> Documentation/DocBook/index.html && cat Documentation/DocBook/device-drivers.html >> Documentation/DocBook/index.html
	cp ./Documentation/DocBook//bayer.png ./Documentation/DocBook//constraints.png ./Documentation/DocBook//crop.gif ./Documentation/DocBook//dvbstb.png ./Documentation/DocBook//fieldseq_bt.gif ./Documentation/DocBook//fieldseq_tb.gif ./Documentation/DocBook//nv12mt.gif ./Documentation/DocBook//nv12mt_example.gif ./Documentation/DocBook//pipeline.png ./Documentation/DocBook//selection.png ./Documentation/DocBook//vbi_525.gif ./Documentation/DocBook//vbi_625.gif ./Documentation/DocBook//vbi_hsync.gif ./Documentation/DocBook/media/*.svg ./Documentation/DocBook/media/v4l/*.svg ./Documentation/DocBook//media_api
	cp: target './Documentation/DocBook//media_api' is not a directory
	Documentation/DocBook/Makefile:53: recipe for target 'htmldocs' failed

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
2015-08-22 05:06:35 -03:00

424 lines
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###
# Media build rules - Auto-generates media contents/indexes and *.h xml's
#
SHELL=/bin/bash
MEDIA_OBJ_DIR=$(objtree)/Documentation/DocBook/
MEDIA_SRC_DIR=$(srctree)/Documentation/DocBook/media
MEDIA_TEMP = media-entities.tmpl \
media-indices.tmpl \
videodev2.h.xml \
v4l2.xml \
audio.h.xml \
ca.h.xml \
dmx.h.xml \
frontend.h.xml \
net.h.xml \
video.h.xml \
IMGFILES := $(patsubst %.b64,%, $(notdir $(shell ls $(MEDIA_SRC_DIR)/*.b64)))
OBJIMGFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(IMGFILES))
GENFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(MEDIA_TEMP))
PHONY += cleanmediadocs
cleanmediadocs:
-@rm -f `find $(MEDIA_OBJ_DIR) -type l` $(GENFILES) $(OBJIMGFILES) 2>/dev/null
$(obj)/media_api.xml: $(GENFILES) FORCE
#$(MEDIA_OBJ_DIR)/media_api.html: $(MEDIA_OBJ_DIR)/media_api.xml
#$(MEDIA_OBJ_DIR)/media_api.pdf: $(MEDIA_OBJ_DIR)/media_api.xml
#$(MEDIA_OBJ_DIR)/media_api.ps: $(MEDIA_OBJ_DIR)/media_api.xml
V4L_SGMLS = \
$(shell ls $(MEDIA_SRC_DIR)/v4l/*.xml|perl -ne 'print "$$1 " if (m,.*/(.*)\n,)') \
capture.c.xml \
keytable.c.xml \
v4l2grab.c.xml
DVB_SGMLS = \
$(shell ls $(MEDIA_SRC_DIR)/dvb/*.xml|perl -ne 'print "$$1 " if (m,.*/(.*)\n,)')
MEDIA_SGMLS = $(addprefix ./,$(V4L_SGMLS)) $(addprefix ./,$(DVB_SGMLS)) $(addprefix ./,$(MEDIA_TEMP))
FUNCS = \
close \
ioctl \
mmap \
munmap \
open \
poll \
read \
select \
write \
IOCTLS = \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([A-Z][^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
DEFINES = \
$(shell perl -ne 'print "$$1 " if /\#define\s+(DTV_[^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
TYPES = \
$(shell perl -ne 'print "$$1 " if /^typedef\s+.*\s+(\S+)\;/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if /^typedef\s+.*\s+(\S+)\;/' $(srctree)/include/uapi/linux/dvb/frontend.h)
ENUMS = \
$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' \
$(srctree)/include/uapi/linux/videodev2.h \
$(srctree)/include/uapi/linux/dvb/audio.h \
$(srctree)/include/uapi/linux/dvb/ca.h \
$(srctree)/include/uapi/linux/dvb/dmx.h \
$(srctree)/include/uapi/linux/dvb/frontend.h \
$(srctree)/include/uapi/linux/dvb/net.h \
$(srctree)/include/uapi/linux/dvb/video.h \
$(srctree)/include/uapi/linux/media.h \
$(srctree)/include/uapi/linux/v4l2-mediabus.h \
$(srctree)/include/uapi/linux/v4l2-subdev.h)
ENUM_DEFS = \
$(shell perl -e 'open IN,"cat @ARGV| cpp -fpreprocessed |"; while (<IN>) { if ($$enum) {print "$$1\n" if (/\s*([A-Z]\S+)\b/); } $$enum = 0 if ($$enum && /^\}/); $$enum = 1 if(/^\s*enum\s/); }; close IN;' \
$(srctree)/include/uapi/linux/dvb/dmx.h \
$(srctree)/include/uapi/linux/dvb/frontend.h)
STRUCTS = \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/videodev2.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s\{]+)\s*/)' $(srctree)/include/uapi/linux/dvb/audio.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/ca.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/dmx.h) \
$(shell perl -ne 'print "$$1 " if (!/dtv\_cmds\_h/ && /^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/frontend.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/ && !/_old/)' $(srctree)/include/uapi/linux/dvb/net.h) \
$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/video.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/media.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-mediabus.h)
ERRORS = \
E2BIG \
EACCES \
EAGAIN \
EBADF \
EBADFD \
EBADR \
EBADRQC \
EBUSY \
ECHILD \
ECONNRESET \
EDEADLK \
EDOM \
EEXIST \
EFAULT \
EFBIG \
EILSEQ \
EINIT \
EINPROGRESS \
EINTR \
EINVAL \
EIO \
EMFILE \
ENFILE \
ENOBUFS \
ENODATA \
ENODEV \
ENOENT \
ENOIOCTLCMD \
ENOMEM \
ENOSPC \
ENOSR \
ENOSYS \
ENOTSUP \
ENOTSUPP \
ENOTTY \
ENXIO \
EOPNOTSUPP \
EOVERFLOW \
EPERM \
EPIPE \
EPROTO \
ERANGE \
EREMOTE \
EREMOTEIO \
ERESTART \
ERESTARTSYS \
ESHUTDOWN \
ESPIPE \
ETIME \
ETIMEDOUT \
EUSERS \
EWOULDBLOCK \
EXDEV \
ESCAPE = \
-e "s/&/\\&amp;/g" \
-e "s/</\\&lt;/g" \
-e "s/>/\\&gt;/g"
FILENAME = \
-e s,"^[^\/]*/",, \
-e s/"\\.xml"// \
-e s/"\\.tmpl"// \
-e s/\\\./-/g \
-e s/"^func-"// \
-e s/"^pixfmt-"// \
-e s/"^vidioc-"//
# Generate references to these structs in videodev2.h.xml.
DOCUMENTED = \
-e "s/\(enum *\)v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1<link linkend=\"\2\">v4l2_mpeg_cx2341x_video_\2<\/link>/g" \
-e "s/\(\(enum\|struct\) *\)\(v4l2_[a-zA-Z0-9_]*\)/\1<link linkend=\"\3\">\3<\/link>/g" \
-e "s/\(V4L2_PIX_FMT_[A-Z0-9_]\+\)\(\s\+v4l2_fourcc\)/<link linkend=\"\1\">\1<\/link>\2/g" \
-e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
-e "s/v4l2\-mpeg\-vbi\-ITV0/v4l2-mpeg-vbi-itv0-1/g"
DVB_DOCUMENTED = \
-e "s,\(struct\s\+\)\([a-z0-9_]\+\)\(\s\+{\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-e "s,\(}\s\+\)\([a-z0-9_]\+_t\+\),\1\<link linkend=\"\2\">\2\<\/link\>,g" \
-e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+[0-9]\+\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-e "s,<link\s\+linkend=\".*\">\(DTV_IOCTL_MAX_MSGS\|dtv_cmds_h\|__.*_old\)<\/link>,\1,g" \
-e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
-e "s,\(audio-mixer\|audio-karaoke\|audio-status\|ca-slot-info\|ca-descr-info\|ca-caps\|ca-msg\|ca-descr\|ca-pid\|dmx-filter\|dmx-caps\|video-system\|video-highlight\|video-spu\|video-spu-palette\|video-navi-pack\)-t,\1,g" \
-e "s,DTV-ISDBT-LAYER[A-C],DTV-ISDBT-LAYER,g" \
-e "s,\(define\s\+\)\([A-Z0-9_]\+\)\(\s\+_IO\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-e "s,<link\s\+linkend=\".*\">\(__.*_OLD\)<\/link>,\1,g" \
-e "s/\(linkend\=\"\)FE_SET_PROPERTY/\1FE_GET_PROPERTY/g" \
-e "s,<link\s\+linkend=\".*\">\(DTV_ISDBS_TS_ID_LEGACY\|DTV_MAX_COMMAND\|DTV_IOCTL_MAX_MSGS\)<\/link>,\1,g" \
#
# Media targets and dependencies
#
install_media_images = \
$(Q)-mkdir $(MEDIA_OBJ_DIR)/media_api; \
cp $(OBJIMGFILES) $(MEDIA_SRC_DIR)/*.svg $(MEDIA_SRC_DIR)/v4l/*.svg $(MEDIA_OBJ_DIR)/media_api
$(MEDIA_OBJ_DIR)/%: $(MEDIA_SRC_DIR)/%.b64
$(Q)base64 -d $< >$@
$(MEDIA_OBJ_DIR)/v4l2.xml: $(OBJIMGFILES)
@$($(quiet)gen_xml)
@(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/v4l/*xml $(MEDIA_OBJ_DIR)/)
@(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/dvb/*xml $(MEDIA_OBJ_DIR)/)
$(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/uapi/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/uapi/linux/dvb/audio.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/uapi/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/uapi/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
for ident in $(ENUM_DEFS) ; do \
entity=`echo $$ident | tr _ -` ; \
r="$$r s/([^\w\-])$$ident([^\w\-])/\1\&$$entity\;\2/g;";\
done; \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/' | \
perl -ne "$$r print $$_;") >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/uapi/linux/dvb/frontend.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
for ident in $(ENUM_DEFS) ; do \
entity=`echo $$ident | tr _ -` ; \
r="$$r s/([^\w\-])$$ident([^\w\-])/\1\&$$entity\;\2/g;";\
done; \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/' | \
perl -ne "$$r print $$_;") >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/uapi/linux/dvb/net.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/video.h.xml: $(srctree)/include/uapi/linux/dvb/video.h $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<programlisting>") > $@
@( \
expand --tabs=8 < $< | \
sed $(ESCAPE) $(DVB_DOCUMENTED) | \
sed 's/i\.e\./&ie;/') >> $@
@( \
echo "</programlisting>") >> $@
$(MEDIA_OBJ_DIR)/media-entities.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<!-- Generated file! Do not edit. -->") >$@
@( \
echo -e "\n<!-- Functions -->") >>$@
@( \
for ident in $(FUNCS) ; do \
entity=`echo $$ident | tr _ -` ; \
echo "<!ENTITY func-$$entity \"<link" \
"linkend='func-$$entity'><function>$$ident()</function></link>\">" \
>>$@ ; \
done)
@( \
echo -e "\n<!-- Ioctls -->") >>$@
@( \
for ident in `echo $(IOCTLS) | sed -e "s,VIDIOC_RESERVED,,"`; do\
entity=`echo $$ident | tr _ -` ; \
id=`grep -e "<refname>$$ident" -e "<section id=\"$$ident\"" $$(find $(MEDIA_SRC_DIR) -name *.xml -type f)| sed -r s,"^.*/(.*).xml.*","\1",` ; \
if [ "$$id" != "" ]; then echo "<!ENTITY $$entity \"<link" \
"linkend='$$id'><constant>$$ident</constant></link>\">" \
>>$@ ; else \
echo "Warning: undocumented ioctl: $$ident. Please document it at the media DocBook!" >&2; \
fi; \
done)
@( \
echo -e "\n<!-- Defines -->") >>$@
@( \
for ident in $(DEFINES) ; do \
entity=`echo $$ident | tr _ -` ; \
echo "<!ENTITY $$entity \"<link" \
"linkend='$$entity'><constant>$$ident</constant></link>\">" \
>>$@ ; \
done)
@( \
echo -e "\n<!-- Types -->") >>$@
@( \
for ident in $(TYPES) ; do \
entity=`echo $$ident | tr _ -` ; \
echo "<!ENTITY $$entity \"<link" \
"linkend='$$entity'>$$ident</link>\">" >>$@ ; \
done)
@( \
echo -e "\n<!-- Enums -->") >>$@
@( \
for ident in $(ENUMS) ; do \
entity=`echo $$ident | sed -e "s/v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1/" | tr _ -` ; \
echo "<!ENTITY $$entity \"enum&nbsp;<link" \
"linkend='$$entity'>$$ident</link>\">" >>$@ ; \
done)
@( \
echo -e "\n<!-- Enum definitions -->") >>$@
@( \
for ident in $(ENUM_DEFS) ; do \
entity=`echo $$ident | tr _ -` ; \
echo "<!ENTITY $$entity \"<link" \
"linkend='$$entity'><constant>$$ident</constant></link>\">" \
>>$@ ; \
done)
@( \
echo -e "\n<!-- Structures -->") >>$@
@( \
for ident in $(STRUCTS) ; do \
entity=`echo $$ident | tr _ - | sed s/v4l2-mpeg-vbi-ITV0/v4l2-mpeg-vbi-itv0-1/g` ; \
echo "<!ENTITY $$entity \"struct&nbsp;<link" \
"linkend='$$entity'>$$ident</link>\">" >>$@ ; \
done)
@( \
echo -e "\n<!-- Error Codes -->") >>$@
@( \
for ident in $(ERRORS) ; do \
echo "<!ENTITY $$ident \"<errorcode>$$ident</errorcode>" \
"error code\">" >>$@ ; \
done)
@( \
echo -e "\n<!-- Subsections -->") >>$@
@( \
for file in $(MEDIA_SGMLS) ; do \
entity=`echo "$$file" | sed $(FILENAME) -e s/"^([^-]*)"/sub\1/` ; \
if ! echo "$$file" | \
grep -q -E -e '^(func|vidioc|pixfmt)-' ; then \
echo "<!ENTITY sub-$$entity SYSTEM \"$$file\">" >>$@ ; \
fi ; \
done)
@( \
echo -e "\n<!-- Function Reference -->") >>$@
@( \
for file in $(MEDIA_SGMLS) ; do \
if echo "$$file" | \
grep -q -E -e '(func|vidioc|pixfmt)-' ; then \
entity=`echo "$$file" |sed $(FILENAME)` ; \
echo "<!ENTITY $$entity SYSTEM \"$$file\">" >>$@ ; \
fi ; \
done)
# Jade can auto-generate a list-of-tables, which includes all structs,
# but we only want data types, all types, and sorted please.
$(MEDIA_OBJ_DIR)/media-indices.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
@$($(quiet)gen_xml)
@( \
echo "<!-- Generated file! Do not edit. -->") >$@
@( \
echo -e "\n<index><title>List of Types</title>") >>$@
@( \
for ident in $(TYPES) ; do \
id=`echo $$ident | tr _ -` ; \
echo "<indexentry><primaryie><link" \
"linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
done)
@( \
for ident in $(ENUMS) ; do \
id=`echo $$ident | sed -e "s/v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1/" | tr _ -`; \
echo "<indexentry><primaryie>enum&nbsp;<link" \
"linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
done)
@( \
for ident in $(STRUCTS) ; do \
id=`echo $$ident | tr _ - | sed s/v4l2-mpeg-vbi-ITV0/v4l2-mpeg-vbi-itv0-1/g` ; \
echo "<indexentry><primaryie>struct&nbsp;<link" \
"linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
done)
@( \
echo "</index>") >>$@
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