cmd_net/packet/built-in.a := rm -f net/packet/built-in.a.symversions   ; cat net/packet/af_packet.o.symversions >> net/packet/built-in.a.symversions; rm -f net/packet/built-in.a; llvm-ar cDPrST net/packet/built-in.a net/packet/af_packet.o