# of regen.mk).
#
# Also provides a `realclean::' target at the toplevel which deletes
-# the autoconf output. This may be made into a recursive target
-# by mentioning &TARGETS_realclean in appropriate .sd.mk.
+# the autoconf output. (This is suitable for being part of a recursive
+# target creaed by setting &TARGETS_realclean in appropriate .sd.mk.)
CONFIGURE ?= configure
CONFIGURE_AC ?= $(CONFIGURE).ac