AUTO_TOPLEVELS := $(foreach m,$(USING_AUTOS),$(shell $(PLAY)/toplevel-find $m))
scads: $(addsuffix .auto.scad, $(AUTO_TOPLEVELS))
AUTO_TOPLEVELS := $(foreach m,$(USING_AUTOS),$(shell $(PLAY)/toplevel-find $m))
scads: $(addsuffix .auto.scad, $(AUTO_TOPLEVELS))