diff --git a/Makefile b/Makefile
index d4bb2cbb9eddb1bb1b4f366623044af8e4830919..6468b07847a0a928ea720531547e608b559bb7c1 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,14 @@ BUILDDIR      = _build
 help:
 	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 
-.PHONY: help Makefile
+submodule:
+	git submodule update --init
+	git pull
+
+librobotcontrol:
+	cd projects/librobotcontrol/docs/ ; doxygen
+
+.PHONY: help Makefile submodule librobotcontrol
 
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).