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doc: fate: Support building a plain text version

Also create a plain text (.txt) file from fate.texi if the makeinfo
program is available.

Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Alexander Strasser authored on 2011/12/20 08:28:47
Showing 3 changed files
... ...
@@ -15,6 +15,7 @@ config.*
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 doc/*.1
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 doc/*.html
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 doc/*.pod
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+doc/fate.txt
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 doxy
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 ffmpeg
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 ffplay
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@@ -1195,6 +1195,7 @@ HAVE_LIST="
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     lzo1x_999_compress
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     machine_ioctl_bt848_h
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     machine_ioctl_meteor_h
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+    makeinfo
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     malloc_h
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     MapViewOfFile
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     memalign
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@@ -3153,6 +3154,7 @@ fi
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 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
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 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
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+makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
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 check_header linux/fb.h
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 check_header linux/videodev.h
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@@ -9,7 +9,13 @@ HTMLPAGES   = $(PROGS-yes:%=doc/%.html)                                 \
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               doc/libavfilter.html                                      \
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               doc/platform.html                                         \
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+TXTPAGES    = doc/fate.txt                                              \
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+
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+
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 DOCS = $(HTMLPAGES) $(MANPAGES) $(PODPAGES)
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+ifdef HAVE_MAKEINFO
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+DOCS += $(TXTPAGES)
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+endif
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 all-$(CONFIG_DOC): documentation
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... ...
@@ -17,6 +23,11 @@ documentation: $(DOCS)
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 TEXIDEP = awk '/^@(verbatim)?include/ { printf "$@: $(@D)/%s\n", $$2 }' <$< >$(@:%=%.d)
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+doc/%.txt: TAG = TXT
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+doc/%.txt: doc/%.texi
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+	$(Q)$(TEXIDEP)
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+	$(M)makeinfo --force --no-headers -o $@ $< 2>/dev/null
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+
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 doc/%.html: TAG = HTML
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 doc/%.html: doc/%.texi $(SRC_PATH)/doc/t2h.init
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 	$(Q)$(TEXIDEP)
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@@ -46,7 +57,7 @@ uninstall-man:
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 	$(RM) $(addprefix "$(MANDIR)/man1/",$(ALLMANPAGES))
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 clean::
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-	$(RM) doc/*.html doc/*.pod doc/*.1 $(CLEANSUFFIXES:%=doc/%)
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+	$(RM) $(TXTPAGES) doc/*.html doc/*.pod doc/*.1 $(CLEANSUFFIXES:%=doc/%)
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 -include $(wildcard $(DOCS:%=%.d))
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