qemu-doc: include version number

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Makefile

@@ -669,33 +669,26 @@ ui/console-gl.o: $(SRC_PATH)/ui/console-gl.c \
 MAKEINFO=makeinfo
 MAKEINFOINCLUDES= -I docs -I $(<D) -I $(@D)
 MAKEINFOFLAGS=--no-split --number-sections $(MAKEINFOINCLUDES)
-TEXI2PODFLAGS=$(MAKEINFOINCLUDES)
+TEXI2PODFLAGS=$(MAKEINFOINCLUDES) "-DVERSION=$(VERSION)"
 TEXI2PDFFLAGS=$(if $(V),,--quiet) -I $(SRC_PATH) $(MAKEINFOINCLUDES)
 
 docs/version.texi: $(SRC_PATH)/VERSION
 	$(call quiet-command,echo "@set VERSION $(VERSION)" > $@,"GEN","$@")
 
-%.html: %.texi
+%.html: %.texi docs/version.texi
 	$(call quiet-command,LC_ALL=C $(MAKEINFO) $(MAKEINFOFLAGS) --no-headers \
 	--html $< -o $@,"GEN","$@")
 
-%.info: %.texi
+%.info: %.texi docs/version.texi
 	$(call quiet-command,$(MAKEINFO) $(MAKEINFOFLAGS) $< -o $@,"GEN","$@")
 
-%.txt: %.texi
+%.txt: %.texi docs/version.texi
 	$(call quiet-command,LC_ALL=C $(MAKEINFO) $(MAKEINFOFLAGS) --no-headers \
 	--plaintext $< -o $@,"GEN","$@")
 
-%.pdf: %.texi
+%.pdf: %.texi docs/version.texi
 	$(call quiet-command,texi2pdf $(TEXI2PDFFLAGS) $< -o $@,"GEN","$@")
 
-docs/interop/qemu-ga-ref.html docs/interop/qemu-ga-ref.info \
-    docs/interop/qemu-ga-ref.txt docs/interop/qemu-ga-ref.pdf \
-    docs/interop/qemu-ga-ref.7.pod: docs/version.texi
-docs/interop/qemu-qmp-ref.html docs/interop/qemu-qmp-ref.info \
-    docs/interop/qemu-qmp-ref.txt docs/interop/qemu-qmp-ref.pdf \
-    docs/interop/qemu-qmp-ref.pod: docs/version.texi
-
 qemu-options.texi: $(SRC_PATH)/qemu-options.hx $(SRC_PATH)/scripts/hxtool
 	$(call quiet-command,sh $(SRC_PATH)/scripts/hxtool -t < $< > $@,"GEN","$@")
 

qemu-doc.texi

 \input texinfo @c -*- texinfo -*-
 @c %**start of header
 @setfilename qemu-doc.info
+@include version.texi
 
 @documentlanguage en
 @documentencoding UTF-8
 
-@settitle QEMU Emulator User Documentation
+@settitle QEMU version @value{VERSION} User Documentation
 @exampleindent 0
 @paragraphindent 0
 @c %**end of header
@@ -19,7 +20,7 @@
 @iftex
 @titlepage
 @sp 7
-@center @titlefont{QEMU Emulator}
+@center @titlefont{QEMU version @value{VERSION}}
 @sp 1
 @center @titlefont{User Documentation}
 @sp 3