1cmd_kernel/bpf/built-in.a := echo >/dev/null; rm -f kernel/bpf/built-in.a; /usr/bin/ccache /home/test/workspace/code/optee_3.16/build/../toolchains/aarch64/bin/aarch64-linux-gnu-ar cDPrST kernel/bpf/built-in.a kernel/bpf/core.o kernel/bpf/trampoline.o kernel/bpf/dispatcher.o 2