savedcmd_drivers/net/ethernet/built-in.a := rm -f drivers/net/ethernet/built-in.a;  printf "drivers/net/ethernet/%s " broadcom/built-in.a chelsio/built-in.a realtek/built-in.a rdc/built-in.a | xargs llvm-ar cDPrST drivers/net/ethernet/built-in.a