$(shell set -xe; $(PLAY)/commitid.scad.pl >commitid.scad.tmp; cmp commitid.scad.tmp commitid.scad || mv -f commitid.scad.tmp commitid.scad )
-autoincs: $(AUTO_INCS)
+autoincs: $(AUTO_INCS) $(AUTO_STLS_INCS)
scads: $(addsuffix .auto.scad, $(AUTO_TOPLEVELS))
stls: $(addsuffix .auto.stl, $(AUTO_TOPLEVELS))