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