Add install-doc rule. Use it when building docs.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1877 c046a42c-6fe2-441c-8c8c-71466251a162

Makefile

@@ -47,7 +47,15 @@ KEYMAPS=da     en-gb  et  fr     fr-ch  is  lt  modifiers  no  pt-br  sv \
 ar      de     en-us  fi  fr-be  hr     it  lv  nl         pl  ru     th \
 common  de-ch  es     fo  fr-ca  hu     ja  mk  nl-be      pt  sl     tr
 
-install: all 
+install-doc: $(DOCS)
+	mkdir -p "$(DESTDIR)$(docdir)"
+	$(INSTALL) -m 644 qemu-doc.html  qemu-tech.html "$(DESTDIR)$(docdir)"
+ifndef CONFIG_WIN32
+	mkdir -p "$(DESTDIR)$(mandir)/man1"
+	$(INSTALL) qemu.1 qemu-img.1 "$(DESTDIR)$(mandir)/man1"
+endif
+
+install: all $(if $(BUILD_DOCS),install-doc)
 	mkdir -p "$(DESTDIR)$(bindir)"
 	$(INSTALL) -m 755 -s $(TOOLS) "$(DESTDIR)$(bindir)"
 	mkdir -p "$(DESTDIR)$(datadir)"
@@ -55,11 +63,7 @@ install: all
 			video.x proll.elf linux_boot.bin; do \
 		$(INSTALL) -m 644 $(SRC_PATH)/pc-bios/$$x "$(DESTDIR)$(datadir)"; \
 	done
-	mkdir -p "$(DESTDIR)$(docdir)"
-	$(INSTALL) -m 644 qemu-doc.html  qemu-tech.html "$(DESTDIR)$(docdir)"
 ifndef CONFIG_WIN32
-	mkdir -p "$(DESTDIR)$(mandir)/man1"
-	$(INSTALL) qemu.1 qemu-img.1 "$(DESTDIR)$(mandir)/man1"
 	mkdir -p "$(DESTDIR)$(datadir)/keymaps"
 	for x in $(KEYMAPS); do \
 		$(INSTALL) -m 644 $(SRC_PATH)/keymaps/$$x "$(DESTDIR)$(datadir)/keymaps"; \