RETAB=nickle $(NICKLE)/retab
# intentionally want to rebuild drc and bom on every invocation
-all: drc pcb partslist partslist.csv partslist.dk muffin-5267.pdf stencil
+all: drc pcb partslist partslist.csv partslist.dk muffin-5267.pdf stencil zip
drc: $(PROJECT).sch
gnetlist -L $(SCHEME) -g drc2 $(PROJECT).sch -o $(PROJECT).drc