Documentation/DocBook/media/Makefile

   1 ###
   2 # Media build rules - Auto-generates media contents/indexes and *.h xml's
   3 #
   4
   5 SHELL=/bin/bash
   6
   7 MEDIA_OBJ_DIR=$(objtree)/Documentation/DocBook/
   8 MEDIA_SRC_DIR=$(srctree)/Documentation/DocBook/media
   9
  10 MEDIA_TEMP =  media-entities.tmpl \
  11               media-indices.tmpl \
  12               videodev2.h.xml \
  13               v4l2.xml \
  14               audio.h.xml \
  15               ca.h.xml \
  16               dmx.h.xml \
  17               frontend.h.xml \
  18               net.h.xml \
  19               video.h.xml \
  20
  21 IMGFILES := $(patsubst %.b64,%, $(notdir $(shell ls $(MEDIA_SRC_DIR)/*.b64)))
  22 OBJIMGFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(IMGFILES))
  23 GENFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(MEDIA_TEMP))
  24
  25 PHONY += cleanmediadocs
  26
  27 cleanmediadocs:
  28         -@rm -f `find $(MEDIA_OBJ_DIR) -type l` $(GENFILES) $(OBJIMGFILES) 2>/dev/null
  29
  30 $(obj)/media_api.xml: $(GENFILES) FORCE
  31
  32 #$(MEDIA_OBJ_DIR)/media_api.html: $(MEDIA_OBJ_DIR)/media_api.xml
  33 #$(MEDIA_OBJ_DIR)/media_api.pdf: $(MEDIA_OBJ_DIR)/media_api.xml
  34 #$(MEDIA_OBJ_DIR)/media_api.ps: $(MEDIA_OBJ_DIR)/media_api.xml
  35
  36 V4L_SGMLS = \
  37         $(shell ls $(MEDIA_SRC_DIR)/v4l/*.xml|perl -ne 'print "$$1 " if (m,.*/(.*)\n,)') \
  38         capture.c.xml \
  39         keytable.c.xml \
  40         v4l2grab.c.xml
  41
  42 DVB_SGMLS = \
  43         $(shell ls $(MEDIA_SRC_DIR)/dvb/*.xml|perl -ne 'print "$$1 " if (m,.*/(.*)\n,)')
  44
  45 MEDIA_SGMLS =  $(addprefix ./,$(V4L_SGMLS)) $(addprefix ./,$(DVB_SGMLS)) $(addprefix ./,$(MEDIA_TEMP))
  46
  47 FUNCS = \
  48         close \
  49         ioctl \
  50         mmap \
  51         munmap \
  52         open \
  53         poll \
  54         read \
  55         select \
  56         write \
  57
  58 IOCTLS = \
  59         $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/videodev2.h) \
  60         $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/audio.h) \
  61         $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/ca.h) \
  62         $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/dmx.h) \
  63         $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
  64         $(shell perl -ne 'print "$$1 " if /\#define\s+([A-Z][^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/net.h) \
  65         $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/video.h) \
  66         $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/media.h) \
  67         $(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
  68
  69 DEFINES = \
  70         $(shell perl -ne 'print "$$1 " if /\#define\s+(DTV_[^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
  71
  72 TYPES = \
  73         $(shell perl -ne 'print "$$1 " if /^typedef\s+.*\s+(\S+)\;/' $(srctree)/include/uapi/linux/videodev2.h) \
  74         $(shell perl -ne 'print "$$1 " if /^typedef\s+.*\s+(\S+)\;/' $(srctree)/include/uapi/linux/dvb/frontend.h)
  75
  76 ENUMS = \
  77         $(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' \
  78                 $(srctree)/include/uapi/linux/videodev2.h \
  79                 $(srctree)/include/uapi/linux/dvb/audio.h \
  80                 $(srctree)/include/uapi/linux/dvb/ca.h \
  81                 $(srctree)/include/uapi/linux/dvb/dmx.h \
  82                 $(srctree)/include/uapi/linux/dvb/frontend.h \
  83                 $(srctree)/include/uapi/linux/dvb/net.h \
  84                 $(srctree)/include/uapi/linux/dvb/video.h \
  85                 $(srctree)/include/uapi/linux/media.h \
  86                 $(srctree)/include/uapi/linux/v4l2-mediabus.h \
  87                 $(srctree)/include/uapi/linux/v4l2-subdev.h)
  88
  89 ENUM_DEFS = \
  90         $(shell perl -e 'open IN,"cat @ARGV| cpp -fpreprocessed |"; while (<IN>) { if ($$enum) {print "$$1\n" if (/\s*([A-Z]\S+)\b/); } $$enum = 0 if ($$enum && /^\}/); $$enum = 1 if(/^\s*enum\s/); }; close IN;' \
  91                 $(srctree)/include/uapi/linux/dvb/audio.h \
  92                 $(srctree)/include/uapi/linux/dvb/ca.h \
  93                 $(srctree)/include/uapi/linux/dvb/dmx.h \
  94                 $(srctree)/include/uapi/linux/dvb/frontend.h \
  95                 $(srctree)/include/uapi/linux/dvb/net.h \
  96                 $(srctree)/include/uapi/linux/dvb/video.h)
  97
  98 STRUCTS = \
  99         $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/videodev2.h) \
 100         $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s\{]+)\s*/)' $(srctree)/include/uapi/linux/dvb/audio.h) \
 101         $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/ca.h) \
 102         $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/dmx.h) \
 103         $(shell perl -ne 'print "$$1 " if (!/dtv\_cmds\_h/ && /^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/frontend.h) \
 104         $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/ && !/_old/)' $(srctree)/include/uapi/linux/dvb/net.h) \
 105         $(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/video.h) \
 106         $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/media.h) \
 107         $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
 108         $(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-mediabus.h)
 109
 110 ERRORS = \
 111         E2BIG \
 112         EACCES \
 113         EAGAIN \
 114         EBADF \
 115         EBADFD \
 116         EBADR \
 117         EBADRQC \
 118         EBUSY \
 119         ECHILD \
 120         ECONNRESET \
 121         EDEADLK \
 122         EDOM \
 123         EEXIST \
 124         EFAULT \
 125         EFBIG \
 126         EILSEQ \
 127         EINIT \
 128         EINPROGRESS \
 129         EINTR \
 130         EINVAL \
 131         EIO \
 132         EMFILE \
 133         ENFILE \
 134         ENOBUFS \
 135         ENODATA \
 136         ENODEV \
 137         ENOENT \
 138         ENOIOCTLCMD \
 139         ENOMEM \
 140         ENOSPC \
 141         ENOSR \
 142         ENOSYS \
 143         ENOTSUP \
 144         ENOTSUPP \
 145         ENOTTY \
 146         ENXIO \
 147         EOPNOTSUPP \
 148         EOVERFLOW \
 149         EPERM \
 150         EPIPE \
 151         EPROTO \
 152         ERANGE \
 153         EREMOTE \
 154         EREMOTEIO \
 155         ERESTART \
 156         ERESTARTSYS \
 157         ESHUTDOWN \
 158         ESPIPE \
 159         ETIME \
 160         ETIMEDOUT \
 161         EUSERS \
 162         EWOULDBLOCK \
 163         EXDEV \
 164
 165 ESCAPE = \
 166         -e "s/&/\\&amp;/g" \
 167         -e "s/</\\&lt;/g" \
 168         -e "s/>/\\&gt;/g"
 169
 170 FILENAME = \
 171         -e s,"^[^\/]*/",, \
 172         -e s/"\\.xml"// \
 173         -e s/"\\.tmpl"// \
 174         -e s/\\\./-/g \
 175         -e s/"^func-"// \
 176         -e s/"^pixfmt-"// \
 177         -e s/"^vidioc-"//
 178
 179 # Generate references to these structs in videodev2.h.xml.
 180 DOCUMENTED = \
 181         -e "s/\(enum *\)v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1<link linkend=\"\2\">v4l2_mpeg_cx2341x_video_\2<\/link>/g" \
 182         -e "s/\(\(enum\|struct\) *\)\(v4l2_[a-zA-Z0-9_]*\)/\1<link linkend=\"\3\">\3<\/link>/g" \
 183         -e "s/\(V4L2_PIX_FMT_[A-Z0-9_]\+\)\(\s\+v4l2_fourcc\)/<link linkend=\"\1\">\1<\/link>\2/g" \
 184         -e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
 185         -e "s/v4l2\-mpeg\-vbi\-ITV0/v4l2-mpeg-vbi-itv0-1/g"
 186
 187 DVB_DOCUMENTED = \
 188         -e "s,\(struct\s\+\)\([a-z0-9_]\+\)\(\s\+{\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
 189         -e "s,\(}\s\+\)\([a-z0-9_]\+_t\+\),\1\<link linkend=\"\2\">\2\<\/link\>,g" \
 190         -e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+[0-9]\+\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
 191         -e "s,<link\s\+linkend=\".*\">\(DTV_IOCTL_MAX_MSGS\|dtv_cmds_h\|__.*_old\)<\/link>,\1,g" \
 192         -e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
 193         -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" \
 194         -e "s,DTV-ISDBT-LAYER[A-C],DTV-ISDBT-LAYER,g" \
 195         -e "s,\(define\s\+\)\([A-Z0-9_]\+\)\(\s\+_IO\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
 196         -e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
 197         -e "s,<link\s\+linkend=\".*\">\(__.*_OLD\)<\/link>,\1,g" \
 198         -e "s/\(linkend\=\"\)FE_SET_PROPERTY/\1FE_GET_PROPERTY/g" \
 199         -e "s,<link\s\+linkend=\".*\">\(DTV_ISDBS_TS_ID_LEGACY\|DTV_MAX_COMMAND\|DTV_IOCTL_MAX_MSGS\)<\/link>,\1,g" \
 200
 201 #
 202 # Media targets and dependencies
 203 #
 204
 205 install_media_images = \
 206         $(Q)-cp $(OBJIMGFILES) $(MEDIA_SRC_DIR)/*.svg $(MEDIA_SRC_DIR)/v4l/*.svg $(MEDIA_OBJ_DIR)/media_api
 207
 208 $(MEDIA_OBJ_DIR)/%: $(MEDIA_SRC_DIR)/%.b64
 209         $(Q)base64 -d $< >$@
 210
 211 $(MEDIA_OBJ_DIR)/v4l2.xml: $(OBJIMGFILES)
 212         @$($(quiet)gen_xml)
 213         @(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/v4l/*xml $(MEDIA_OBJ_DIR)/)
 214         @(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/dvb/*xml $(MEDIA_OBJ_DIR)/)
 215
 216 $(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/uapi/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml
 217         @$($(quiet)gen_xml)
 218         @(                                      \
 219         echo "<programlisting>") > $@
 220         @(                                      \
 221         expand --tabs=8 < $< |                  \
 222           sed $(ESCAPE) $(DOCUMENTED) |         \
 223           sed 's/i\.e\./&ie;/') >> $@
 224         @(                                      \
 225         echo "</programlisting>") >> $@
 226
 227 $(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/uapi/linux/dvb/audio.h $(MEDIA_OBJ_DIR)/v4l2.xml
 228         @$($(quiet)gen_xml)
 229         @(                                      \
 230         echo "<programlisting>") > $@
 231         @(                                      \
 232         expand --tabs=8 < $< |                  \
 233           sed $(ESCAPE) $(DVB_DOCUMENTED) |     \
 234           sed 's/i\.e\./&ie;/') >> $@
 235         @(                                      \
 236         echo "</programlisting>") >> $@
 237
 238 $(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/uapi/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4l2.xml
 239         @$($(quiet)gen_xml)
 240         @(                                      \
 241         echo "<programlisting>") > $@
 242         @(                                      \
 243         expand --tabs=8 < $< |                  \
 244           sed $(ESCAPE) $(DVB_DOCUMENTED) |     \
 245           sed 's/i\.e\./&ie;/') >> $@
 246         @(                                      \
 247         echo "</programlisting>") >> $@
 248
 249 $(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/uapi/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/v4l2.xml
 250         @$($(quiet)gen_xml)
 251         @(                                      \
 252         echo "<programlisting>") > $@
 253         @(                                      \
 254         expand --tabs=8 < $< |                  \
 255           sed $(ESCAPE) $(DVB_DOCUMENTED) |     \
 256           sed 's/i\.e\./&ie;/') >> $@
 257         @(                                      \
 258         echo "</programlisting>") >> $@
 259
 260 $(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/uapi/linux/dvb/frontend.h $(MEDIA_OBJ_DIR)/v4l2.xml
 261         @$($(quiet)gen_xml)
 262         @(                                      \
 263         echo "<programlisting>") > $@
 264         @(                                      \
 265         for ident in $(ENUM_DEFS) ; do          \
 266           entity=`echo $$ident | tr _ -` ;      \
 267           r="$$r s/([^\w\-])$$ident([^\w\-])/\1\&$$entity\;\2/g;";\
 268         done;                                   \
 269         expand --tabs=8 < $< |                  \
 270           sed $(ESCAPE) $(DVB_DOCUMENTED) |     \
 271           sed 's/i\.e\./&ie;/' |                \
 272           perl -ne "$$r print $$_;") >> $@
 273         @(                                      \
 274         echo "</programlisting>") >> $@
 275
 276 $(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/uapi/linux/dvb/net.h $(MEDIA_OBJ_DIR)/v4l2.xml
 277         @$($(quiet)gen_xml)
 278         @(                                      \
 279         echo "<programlisting>") > $@
 280         @(                                      \
 281         expand --tabs=8 < $< |                  \
 282           sed $(ESCAPE) $(DVB_DOCUMENTED) |     \
 283           sed 's/i\.e\./&ie;/') >> $@
 284         @(                                      \
 285         echo "</programlisting>") >> $@
 286
 287 $(MEDIA_OBJ_DIR)/video.h.xml: $(srctree)/include/uapi/linux/dvb/video.h $(MEDIA_OBJ_DIR)/v4l2.xml
 288         @$($(quiet)gen_xml)
 289         @(                                      \
 290         echo "<programlisting>") > $@
 291         @(                                      \
 292         expand --tabs=8 < $< |                  \
 293           sed $(ESCAPE) $(DVB_DOCUMENTED) |     \
 294           sed 's/i\.e\./&ie;/') >> $@
 295         @(                                      \
 296         echo "</programlisting>") >> $@
 297
 298 $(MEDIA_OBJ_DIR)/media-entities.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
 299         @$($(quiet)gen_xml)
 300         @(                                                              \
 301         echo "<!-- Generated file! Do not edit. -->") >$@
 302         @(                                                              \
 303         echo -e "\n<!-- Functions -->") >>$@
 304         @(                                                              \
 305         for ident in $(FUNCS) ; do                                      \
 306           entity=`echo $$ident | tr _ -` ;                              \
 307           echo "<!ENTITY func-$$entity \"<link"                         \
 308             "linkend='func-$$entity'><function>$$ident()</function></link>\">" \
 309           >>$@ ;                                                        \
 310         done)
 311         @(                                                              \
 312         echo -e "\n<!-- Ioctls -->") >>$@
 313         @(                                                              \
 314         for ident in `echo $(IOCTLS) | sed -e "s,VIDIOC_RESERVED,,"`; do\
 315           entity=`echo $$ident | tr _ -` ;                              \
 316           id=`grep -e "<refname>$$ident" -e "<section id=\"$$ident\"" $$(find $(MEDIA_SRC_DIR) -name *.xml -type f)| sed -r s,"^.*/(.*).xml.*","\1",` ; \
 317           if [ "$$id" != "" ]; then echo "<!ENTITY $$entity \"<link"    \
 318             "linkend='$$id'><constant>$$ident</constant></link>\">"     \
 319           >>$@ ; else                                                   \
 320                 echo "Warning: undocumented ioctl: $$ident. Please document it at the media DocBook!" >&2;      \
 321           fi;                                                           \
 322         done)
 323         @(                                                              \
 324         echo -e "\n<!-- Defines -->") >>$@
 325         @(                                                              \
 326         for ident in $(DEFINES) ; do                                    \
 327           entity=`echo $$ident | tr _ -` ;                              \
 328           echo "<!ENTITY $$entity \"<link"                              \
 329             "linkend='$$entity'><constant>$$ident</constant></link>\">" \
 330           >>$@ ;                                                        \
 331         done)
 332         @(                                                              \
 333         echo -e "\n<!-- Types -->") >>$@
 334         @(                                                              \
 335         for ident in $(TYPES) ; do                                      \
 336           entity=`echo $$ident | tr _ -` ;                              \
 337           echo "<!ENTITY $$entity \"<link"                              \
 338             "linkend='$$entity'>$$ident</link>\">" >>$@ ;               \
 339         done)
 340         @(                                                              \
 341         echo -e "\n<!-- Enums -->") >>$@
 342         @(                                                              \
 343         for ident in $(ENUMS) ; do                                      \
 344           entity=`echo $$ident | sed -e "s/v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1/" | tr _ -` ; \
 345           echo "<!ENTITY $$entity \"enum&nbsp;<link"                    \
 346             "linkend='$$entity'>$$ident</link>\">" >>$@ ;               \
 347         done)
 348         @(                                                              \
 349         echo -e "\n<!-- Enum definitions -->") >>$@
 350         @(                                                              \
 351         for ident in $(ENUM_DEFS) ; do                                  \
 352           entity=`echo $$ident | tr _ -` ;                              \
 353           echo "<!ENTITY $$entity \"<link"                              \
 354             "linkend='$$entity'><constant>$$ident</constant></link>\">" \
 355           >>$@ ;                                                        \
 356         done)
 357         @(                                                              \
 358         echo -e "\n<!-- Structures -->") >>$@
 359         @(                                                              \
 360         for ident in $(STRUCTS) ; do                                    \
 361           entity=`echo $$ident | tr _ - | sed s/v4l2-mpeg-vbi-ITV0/v4l2-mpeg-vbi-itv0-1/g` ; \
 362           echo "<!ENTITY $$entity \"struct&nbsp;<link"                  \
 363             "linkend='$$entity'>$$ident</link>\">" >>$@ ;               \
 364         done)
 365         @(                                                              \
 366         echo -e "\n<!-- Error Codes -->") >>$@
 367         @(                                                              \
 368         for ident in $(ERRORS) ; do                                     \
 369           echo "<!ENTITY $$ident \"<errorcode>$$ident</errorcode>"      \
 370             "error code\">" >>$@ ;                                      \
 371         done)
 372         @(                                                              \
 373         echo -e "\n<!-- Subsections -->") >>$@
 374         @(                                                              \
 375         for file in $(MEDIA_SGMLS) ; do                                 \
 376           entity=`echo "$$file" | sed $(FILENAME) -e s/"^([^-]*)"/sub\1/` ; \
 377           if ! echo "$$file" |                                          \
 378             grep -q -E -e '^(func|vidioc|pixfmt)-' ; then               \
 379             echo "<!ENTITY sub-$$entity SYSTEM \"$$file\">" >>$@ ;      \
 380           fi ;                                                          \
 381         done)
 382         @(                                                              \
 383         echo -e "\n<!-- Function Reference -->") >>$@
 384         @(                                                              \
 385         for file in $(MEDIA_SGMLS) ; do                                 \
 386           if echo "$$file" |                                            \
 387             grep -q -E -e '(func|vidioc|pixfmt)-' ; then                \
 388             entity=`echo "$$file" |sed $(FILENAME)` ;                   \
 389             echo "<!ENTITY $$entity SYSTEM \"$$file\">" >>$@ ;  \
 390           fi ;                                                          \
 391         done)
 392
 393 # Jade can auto-generate a list-of-tables, which includes all structs,
 394 # but we only want data types, all types, and sorted please.
 395 $(MEDIA_OBJ_DIR)/media-indices.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
 396         @$($(quiet)gen_xml)
 397         @(                                                              \
 398         echo "<!-- Generated file! Do not edit. -->") >$@
 399         @(                                                              \
 400         echo -e "\n<index><title>List of Types</title>") >>$@
 401         @(                                                              \
 402         for ident in $(TYPES) ; do                                      \
 403           id=`echo $$ident | tr _ -` ;                                  \
 404           echo "<indexentry><primaryie><link"                           \
 405             "linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
 406         done)
 407         @(                                                              \
 408         for ident in $(ENUMS) ; do                                      \
 409           id=`echo $$ident | sed -e "s/v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1/" | tr _ -`; \
 410           echo "<indexentry><primaryie>enum&nbsp;<link"                 \
 411             "linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
 412         done)
 413         @(                                                              \
 414         for ident in $(STRUCTS) ; do                                    \
 415           id=`echo $$ident | tr _ - | sed s/v4l2-mpeg-vbi-ITV0/v4l2-mpeg-vbi-itv0-1/g` ; \
 416           echo "<indexentry><primaryie>struct&nbsp;<link"               \
 417             "linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
 418         done)
 419         @(                                                              \
 420         echo "</index>") >>$@
 421