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