cmd_virt/lib/built-in.a := rm -f virt/lib/built-in.a.symversions   ; cat virt/lib/irqbypass.o.symversions >> virt/lib/built-in.a.symversions; rm -f virt/lib/built-in.a; llvm-ar cDPrST virt/lib/built-in.a virt/lib/irqbypass.o