cmd_drivers/ptp/built-in.a := rm -f drivers/ptp/built-in.a.symversions   ; cat drivers/ptp/ptp_clock.o.symversions >> drivers/ptp/built-in.a.symversions       ; cat drivers/ptp/ptp_vclock.o.symversions >> drivers/ptp/built-in.a.symversions    ; rm -f drivers/ptp/built-in.a; llvm-ar cDPrST drivers/ptp/built-in.a drivers/ptp/ptp_clock.o drivers/ptp/ptp_chardev.o drivers/ptp/ptp_sysfs.o drivers/ptp/ptp_vclock.o drivers/ptp/ptp_kvm_arm.o drivers/ptp/ptp_kvm_common.o