gtk-doc-plugins.mak

   1 # This is an include file specifically tuned for building documentation
   2 # for GStreamer plug-ins
   3
   4 help:
   5         @echo
   6         @echo "If you are a doc maintainer, run 'make update' to update"
   7         @echo "the documentation files maintained in git"
   8         @echo
   9         @echo Other useful make targets:
  10         @echo
  11         @echo  check-inspected-versions: make sure the inspected plugin info
  12         @echo                            is up to date before a release
  13         @echo
  14
  15 # update the stuff maintained by doc maintainers
  16 update:
  17         $(MAKE) scanobj-update
  18         $(MAKE) check-outdated-docs
  19
  20 # We set GPATH here; this gives us semantics for GNU make
  21 # which are more like other make's VPATH, when it comes to
  22 # whether a source that is a target of one rule is then
  23 # searched for in VPATH/GPATH.
  24 #
  25 GPATH = $(srcdir)
  26
  27 # thomas: make docs parallel installable
  28 TARGET_DIR=$(HTML_DIR)/$(DOC_MODULE)-@GST_MAJORMINOR@
  29
  30 MAINTAINER_DOC_STAMPS =                 \
  31         scanobj-build.stamp
  32
  33 EXTRA_DIST =                            \
  34         $(MAINTAINER_DOC_STAMPS)                \
  35         $(srcdir)/inspect/*.xml         \
  36         $(SCANOBJ_FILES)                \
  37         $(content_files)                \
  38         $(extra_files)                  \
  39         $(HTML_IMAGES)                  \
  40         $(DOC_MAIN_SGML_FILE)   \
  41         $(DOC_OVERRIDES)                \
  42         $(DOC_MODULE)-sections.txt
  43
  44 # we don't add scanobj-build.stamp here since they are built manually by docs
  45 # maintainers and result is commited to git
  46 DOC_STAMPS =                            \
  47         scan-build.stamp                \
  48         tmpl-build.stamp                \
  49         sgml-build.stamp                \
  50         html-build.stamp                \
  51         scan.stamp                      \
  52         tmpl.stamp                      \
  53         sgml.stamp                      \
  54         html.stamp
  55
  56 # files generated/updated by gtkdoc-scangobj
  57 SCANOBJ_FILES =                         \
  58         $(DOC_MODULE).args              \
  59         $(DOC_MODULE).hierarchy         \
  60         $(DOC_MODULE).interfaces        \
  61         $(DOC_MODULE).prerequisites     \
  62         $(DOC_MODULE).signals           \
  63         $(DOC_MODULE).types
  64
  65 SCANOBJ_FILES_O =                       \
  66         .libs/$(DOC_MODULE)-scan.o
  67
  68 # files generated/updated by gtkdoc-scan
  69 SCAN_FILES =                            \
  70         $(DOC_MODULE)-sections.txt      \
  71         $(DOC_MODULE)-overrides.txt     \
  72         $(DOC_MODULE)-decl.txt          \
  73         $(DOC_MODULE)-decl-list.txt
  74
  75
  76 REPORT_FILES = \
  77         $(DOC_MODULE)-undocumented.txt \
  78         $(DOC_MODULE)-undeclared.txt \
  79         $(DOC_MODULE)-unused.txt
  80
  81 CLEANFILES = \
  82         $(SCANOBJ_FILES_O) \
  83         $(REPORT_FILES) \
  84         $(DOC_STAMPS) \
  85         inspect-registry.xml
  86
  87 INSPECT_DIR = inspect
  88
  89 if ENABLE_GTK_DOC
  90 all-local: html-build.stamp
  91
  92 ### inspect GStreamer plug-ins; done by documentation maintainer ###
  93
  94 # only look at the plugins in this module when building inspect .xml stuff
  95 INSPECT_REGISTRY=$(top_builddir)/docs/plugins/inspect-registry.xml
  96 INSPECT_ENVIRONMENT=\
  97         LC_ALL=C \
  98         GST_PLUGIN_SYSTEM_PATH= \
  99         GST_PLUGIN_PATH=$(top_builddir)/gst:$(top_builddir)/sys:$(top_builddir)/ext:$(top_builddir)/plugins:$(top_builddir)/src:$(top_builddir)/gnl \
 100         GST_REGISTRY=$(INSPECT_REGISTRY) \
 101         PKG_CONFIG_PATH="$(GST_PKG_CONFIG_PATH)" \
 102         $(INSPECT_EXTRA_ENVIRONMENT)
 103
 104 #### scan gobjects; done by documentation maintainer ####
 105 scanobj-update:
 106         -rm scanobj-build.stamp
 107         $(MAKE) scanobj-build.stamp
 108
 109 # gstdoc-scanobj produces 5 output files (.new)
 110 # scangobj-merge.py merges them into the file which we commit later
 111 # TODO: also merge the hierarchy
 112 scanobj-build.stamp: $(SCANOBJ_DEPS) $(basefiles)
 113         @echo "  DOC   Introspecting gobjects"
 114         @if test x"$(srcdir)" != x. ; then                              \
 115             for f in $(SCANOBJ_FILES) $(SCAN_FILES);                    \
 116             do                                                          \
 117                 if test -e $(srcdir)/$$f; then cp -u $(srcdir)/$$f . ; fi;      \
 118             done;                                                       \
 119         fi;                                                             \
 120         mkdir -p $(INSPECT_DIR); \
 121         scanobj_options=""; \
 122         if test "x$(V)" = "x1"; then \
 123             scanobj_options="--verbose"; \
 124         fi; \
 125         $(INSPECT_ENVIRONMENT)                                  \
 126         CC="$(GTKDOC_CC)" LD="$(GTKDOC_LD)"                             \
 127         CFLAGS="$(GTKDOC_CFLAGS) $(CFLAGS) $(WARNING_CFLAGS)"   \
 128         LDFLAGS="$(GTKDOC_LIBS) $(LDFLAGS)"                             \
 129         $(GST_DOC_SCANOBJ) $$scanobj_options --type-init-func="gst_init(NULL,NULL)"     \
 130             --module=$(DOC_MODULE) --source=$(PACKAGE) --inspect-dir=$(INSPECT_DIR) &&          \
 131             echo "  DOC   Merging introspection data" && \
 132             $(PYTHON)                                           \
 133             $(top_srcdir)/common/scangobj-merge.py $(DOC_MODULE);       \
 134         if test x"$(srcdir)" != x. ; then                               \
 135             for f in $(SCANOBJ_FILES);                                  \
 136             do                                                          \
 137                 cmp -s ./$$f $(srcdir)/$$f || cp ./$$f $(srcdir)/ ;             \
 138             done;                                                       \
 139         fi;                                                             \
 140         touch scanobj-build.stamp
 141
 142 $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(SCANOBJ_FILES_O): scan-build.stamp
 143         @true
 144
 145 ### scan headers; done on every build ###
 146 scan-build.stamp: $(HFILE_GLOB) $(EXTRA_HFILES) $(basefiles) scanobj-build.stamp
 147         @echo '  DOC   Scanning header files'
 148         @if test x"$(srcdir)" != x. ; then                              \
 149             for f in $(SCANOBJ_FILES) $(SCAN_FILES);                    \
 150             do                                                          \
 151                 if test -e $(srcdir)/$$f; then cp -u $(srcdir)/$$f . ; fi;      \
 152             done;                                                       \
 153         fi
 154         @gtkdoc-scan                                                    \
 155             $(SCAN_OPTIONS) $(EXTRA_HFILES)                             \
 156             --module=$(DOC_MODULE)                                      \
 157             --source-dir=$(DOC_SOURCE_DIR)                              \
 158             --ignore-headers="$(IGNORE_HFILES)";                        \
 159         touch scan-build.stamp
 160
 161 #### update templates; done on every build ####
 162
 163 # in a non-srcdir build, we need to copy files from the previous step
 164 # and the files from previous runs of this step
 165 tmpl-build.stamp: $(DOC_MODULE)-decl.txt $(SCANOBJ_FILES) $(DOC_MODULE)-sections.txt $(DOC_OVERRIDES)
 166         @echo '  DOC   Rebuilding template files'
 167         @if test x"$(srcdir)" != x. ; then                              \
 168             for f in $(SCANOBJ_FILES) $(SCAN_FILES);                    \
 169             do                                                          \
 170                 if test -e $(srcdir)/$$f; then cp -u $(srcdir)/$$f . ; fi;      \
 171             done;                                                       \
 172         fi
 173         @gtkdoc-mktmpl --module=$(DOC_MODULE)
 174         @$(PYTHON) \
 175                 $(top_srcdir)/common/mangle-tmpl.py $(srcdir)/$(INSPECT_DIR) tmpl
 176         @touch tmpl-build.stamp
 177
 178 tmpl.stamp: tmpl-build.stamp
 179         @true
 180
 181 #### xml ####
 182
 183 sgml-build.stamp: tmpl.stamp scan-build.stamp $(CFILE_GLOB) $(top_srcdir)/common/plugins.xsl $(expand_content_files)
 184         @echo '  DOC   Building XML'
 185         @-mkdir -p xml
 186         @for a in $(srcdir)/$(INSPECT_DIR)/*.xml; do \
 187             xsltproc --stringparam module $(MODULE) \
 188                 $(top_srcdir)/common/plugins.xsl $$a > xml/`basename $$a`; done
 189         @for f in $(EXAMPLE_CFILES); do \
 190                 $(PYTHON) $(top_srcdir)/common/c-to-xml.py $$f > xml/element-`basename $$f .c`.xml; done
 191         @gtkdoc-mkdb \
 192                 --module=$(DOC_MODULE) \
 193                 --source-dir=$(DOC_SOURCE_DIR) \
 194                  --expand-content-files="$(expand_content_files)" \
 195                 --main-sgml-file=$(srcdir)/$(DOC_MAIN_SGML_FILE) \
 196                 --output-format=xml \
 197                 --ignore-files="$(IGNORE_HFILES) $(IGNORE_CFILES)" \
 198                 $(MKDB_OPTIONS)
 199         @cp ../version.entities xml
 200         @touch sgml-build.stamp
 201
 202 sgml.stamp: sgml-build.stamp
 203         @true
 204
 205 #### html ####
 206
 207 html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
 208         @echo '  DOC   Building HTML'
 209         @rm -rf html
 210         @mkdir html
 211         @cp $(srcdir)/$(DOC_MAIN_SGML_FILE) html
 212         @for f in $(content_files); do cp $(srcdir)/$$f html; done
 213         @cp -pr xml html
 214         @cp ../version.entities html
 215         @mkhtml_options=""; \
 216         gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
 217         if test "$(?)" = "0"; then \
 218           if test "x$(V)" = "x1"; then \
 219             mkhtml_options="$$mkhtml_options --verbose"; \
 220           fi; \
 221         fi; \
 222         cd html && gtkdoc-mkhtml $$mkhtml_options $(DOC_MODULE) $(DOC_MAIN_SGML_FILE)
 223         @mv html/index.sgml html/index.sgml.bak
 224         @$(SED) "s/ href=\"$(DOC_MODULE)\// href=\"$(DOC_MODULE)-@GST_MAJORMINOR@\//g" html/index.sgml.bak >html/index.sgml
 225         @rm -f html/index.sgml.bak
 226         @rm -f html/$(DOC_MAIN_SGML_FILE)
 227         @rm -rf html/xml
 228         @rm -f html/version.entities
 229         @test "x$(HTML_IMAGES)" = "x" || for i in "" $(HTML_IMAGES) ; do \
 230             if test "$$i" != ""; then cp $(srcdir)/$$i html ; fi; done
 231         @echo '  DOC   Fixing cross-references'
 232         @gtkdoc-fixxref --module=$(DOC_MODULE) --module-dir=html --html-dir=$(HTML_DIR) $(FIXXREF_OPTIONS)
 233         @touch html-build.stamp
 234
 235 clean-local-gtkdoc:
 236         @rm -rf xml tmpl html
 237 # clean files copied for nonsrcdir templates build
 238         @if test x"$(srcdir)" != x. ; then \
 239             rm -rf $(SCANOBJ_FILES) $(SCAN_FILES) $(REPORT_FILES) \
 240                 $(MAINTAINER_DOC_STAMPS); \
 241         fi
 242 else
 243 all-local:
 244 clean-local-gtkdoc:
 245 endif
 246
 247 clean-local: clean-local-gtkdoc
 248         @rm -f *~ *.bak
 249         @rm -rf .libs
 250
 251 distclean-local:
 252         @rm -f $(REPORT_FILES) \
 253                 $(DOC_MODULE)-decl-list.txt $(DOC_MODULE)-decl.txt
 254         @rm -rf tmpl/*.sgml.bak
 255         @rm -f $(DOC_MODULE).hierarchy
 256         @rm -f *.stamp || true
 257         @if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
 258             rm -f $(DOC_MODULE)-docs.sgml ; \
 259             rm -f $(DOC_MODULE).types ; \
 260             rm -f $(DOC_MODULE).interfaces ; \
 261             rm -f $(DOC_MODULE)-overrides.txt ; \
 262             rm -f $(DOC_MODULE).prerequisites ; \
 263             rm -f $(DOC_MODULE)-sections.txt ; \
 264             rm -rf tmpl/*.sgml ; \
 265             rm -rf $(INSPECT_DIR); \
 266         fi
 267         @rm -rf *.o
 268
 269 MAINTAINERCLEANFILES = $(MAINTAINER_DOC_STAMPS)
 270
 271 # thomas: make docs parallel installable; devhelp requires majorminor too
 272 install-data-local:
 273         (installfiles=`echo $(builddir)/html/*.sgml $(builddir)/html/*.html $(builddir)/html/*.png $(builddir)/html/*.css`; \
 274         if test "$$installfiles" = '$(builddir)/html/*.sgml $(builddir)/html/*.html $(builddir)/html/*.png $(builddir)/html/*.css'; \
 275         then echo '-- Nothing to install' ; \
 276         else \
 277           $(mkinstalldirs) $(DESTDIR)$(TARGET_DIR); \
 278           for i in $$installfiles; do \
 279             echo '-- Installing '$$i ; \
 280             $(INSTALL_DATA) $$i $(DESTDIR)$(TARGET_DIR); \
 281           done; \
 282           pngfiles=`echo ./html/*.png`; \
 283           if test "$$pngfiles" != './html/*.png'; then \
 284             for i in $$pngfiles; do \
 285               echo '-- Installing '$$i ; \
 286               $(INSTALL_DATA) $$i $(DESTDIR)$(TARGET_DIR); \
 287             done; \
 288           fi; \
 289           echo '-- Installing $(builddir)/html/$(DOC_MODULE).devhelp2' ; \
 290           if test -e $(builddir)/html/$(DOC_MODULE).devhelp2; then \
 291                     $(INSTALL_DATA) $(builddir)/html/$(DOC_MODULE).devhelp2 \
 292                     $(DESTDIR)$(TARGET_DIR)/$(DOC_MODULE)-@GST_MAJORMINOR@.devhelp2; \
 293           fi; \
 294           (which gtkdoc-rebase >/dev/null && \
 295             gtkdoc-rebase --relative --dest-dir=$(DESTDIR) --html-dir=$(DESTDIR)$(TARGET_DIR)) || true ; \
 296         fi)
 297 uninstall-local:
 298         if test -d $(DESTDIR)$(TARGET_DIR); then \
 299           rm -rf $(DESTDIR)$(TARGET_DIR)/*; \
 300           rmdir -p $(DESTDIR)$(TARGET_DIR) 2>/dev/null || true; \
 301         else \
 302           echo '-- Nothing to uninstall' ; \
 303         fi;
 304
 305 #
 306 # Checks
 307 #
 308 if ENABLE_GTK_DOC
 309 check-hierarchy: $(DOC_MODULE).hierarchy
 310         @if grep '      ' $(DOC_MODULE).hierarchy; then \
 311             echo "$(DOC_MODULE).hierarchy contains tabs, please fix"; \
 312             /bin/false; \
 313         fi
 314
 315 check: check-hierarchy
 316 endif
 317
 318 # wildcard is apparently not portable to other makes, hence the use of find
 319 inspect_files = $(shell find $(srcdir)/$(INSPECT_DIR) -name '*.xml')
 320
 321 check-inspected-versions:
 322         @echo Checking plugin versions of inspected plugin data ...; \
 323         fail=0 ; \
 324         for each in $(inspect_files) ; do \
 325           if (grep -H '<version>' $$each | grep -v '<version>$(VERSION)'); then \
 326             echo $$each should be fixed to say version $(VERSION) or be removed ; \
 327             echo "sed -i -e 's/<version.*version>/<version>$(VERSION)<\/version>/'" $$each; \
 328             echo ; \
 329             fail=1; \
 330           fi ; \
 331         done ; \
 332         exit $$fail
 333
 334 check-outdated-docs:
 335         $(AM_V_GEN)echo Checking for outdated plugin inspect data ...; \
 336         fail=0 ; \
 337         if [ -d $(top_srcdir)/.git/ ]; then \
 338           files=`find $(srcdir)/inspect/ -name '*xml'`; \
 339           for f in $$files; do \
 340             ver=`grep '<version>$(PACKAGE_VERSION)</version>' $$f`; \
 341             if test "x$$ver" = "x"; then \
 342               plugin=`echo $$f | sed -e 's/^.*plugin-//' -e 's/.xml//'`; \
 343               # echo "Checking $$plugin $$f"; \
 344               pushd "$(top_srcdir)" >/dev/null; \
 345               pinit=`git grep -A3 GST_PLUGIN_DEFINE -- ext/ gst/ sys/ | grep "\"$$plugin\""`; \
 346               popd >/dev/null; \
 347               # echo "[$$pinit]"; \
 348               if test "x$$pinit" = "x"; then \
 349                 printf " **** outdated docs for plugin %-15s: %s\n" $$plugin $$f; \
 350                 fail=1; \
 351               fi; \
 352             fi; \
 353           done; \
 354         fi ; \
 355         exit $$fail
 356
 357 #
 358 # Require gtk-doc when making dist
 359 #
 360 if ENABLE_GTK_DOC
 361 dist-check-gtkdoc:
 362 else
 363 dist-check-gtkdoc:
 364         @echo "*** gtk-doc must be installed and enabled in order to make dist"
 365         @false
 366 endif
 367
 368 # FIXME: decide whether we want to dist generated html or not
 369 # also this only works, if the project has been build before
 370 # we could dist html only if its there, but that might lead to missing html in
 371 # tarballs
 372 dist-hook: dist-check-gtkdoc dist-hook-local
 373         mkdir $(distdir)/html
 374         cp html/* $(distdir)/html
 375         -cp $(srcdir)/$(DOC_MODULE).types $(distdir)/
 376         -cp $(srcdir)/$(DOC_MODULE)-sections.txt $(distdir)/
 377         cd $(distdir) && rm -f $(DISTCLEANFILES)
 378         -gtkdoc-rebase --online --relative --html-dir=$(distdir)/html
 379
 380 .PHONY : dist-hook-local docs check-outdated-docs inspect
 381
 382 # avoid spurious build errors when distchecking with -jN
 383 .NOTPARALLEL: