Merge pull request #221 from JamesLYC88/doc_option

Refresh doc option list for every make call

Author: JamesLYC88

docs/Makefile

@@ -16,12 +16,10 @@ help:
 
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
-%: Makefile cli/flags.include
+%: Makefile
 	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+	python3 cli/genflags.py > cli/flags.include
 
 clean: Makefile
 	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 	rm cli/flags.include
-
-cli/flags.include:
-	python3 cli/genflags.py > cli/flags.include