emacs_bytecode = $(emacs_sources:.el=.elc)
emacs_docstrings = $(emacs_sources:.el=.rsti)
+ifneq ($(HAVE_SPHINX)$(HAVE_EMACS),11)
+docstring.stamp:
+ @echo "Missing prerequisites, not collecting docstrings"
+else
docstring.stamp: ${emacs_docstrings}
touch $@
+endif
# Because of defmacro's and defsubst's, we have to account for load
# dependencies between Elisp files when byte compiling. Otherwise,