====== Cleaning ======
../../../scripts/Makefile.include:4: *** O=build_tools/ does not exist.  Stop.
 ====== Baseline building the tree ======
make[1]: Circular /home/nipa/net/wt-0/build_tools/kselftest/alsa/global-timer <- /home/nipa/net/wt-0/build_tools/kselftest/alsa/global-timer dependency dropped.
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'
 ====== Building the tree before the patch ======
make[1]: Circular /home/nipa/net/wt-0/build_tools/kselftest/alsa/global-timer <- /home/nipa/net/wt-0/build_tools/kselftest/alsa/global-timer dependency dropped.
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'
 ====== Checking if tree is clean ======
 ====== Building the tree with the patch ======
make[1]: Circular /home/nipa/net/wt-0/build_tools/kselftest/alsa/global-timer <- /home/nipa/net/wt-0/build_tools/kselftest/alsa/global-timer dependency dropped.
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'
 ====== Checking if tree is clean ======