../../../scripts/Makefile.include:4: *** O=build_tools/ does not exist.  Stop.
make[3]: *** /lib/modules/6.8.9-300.fc40.x86_64/build: No such file or directory.  Stop.
make[2]: *** [Makefile:25: clean] Error 2
make[1]: *** [../lib.mk:132: clean_mods_dir] Error 2
Makefile:65: warning: overriding recipe for target 'emit_tests'
../lib.mk:165: warning: ignoring old recipe for target 'emit_tests'
so_netns_cookie.c:2:9: warning: "_GNU_SOURCE" redefined
    2 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
reuseport_dualstack.c:14:9: warning: "_GNU_SOURCE" redefined
   14 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
reuseport_bpf_cpu.c:15:9: warning: "_GNU_SOURCE" redefined
   15 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
ipv6_flowlabel.c:4:9: warning: "_GNU_SOURCE" redefined
    4 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
ipv6_flowlabel_mgr.c:4:9: warning: "_GNU_SOURCE" redefined
    4 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
reuseport_addr_any.c:7:9: warning: "_GNU_SOURCE" redefined
    7 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
txring_overwrite.c:8:9: warning: "_GNU_SOURCE" redefined
    8 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
tcp_inq.c:8:9: warning: "_GNU_SOURCE" redefined
    8 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
tcp_fastopen_backup_key.c:15:9: warning: "_GNU_SOURCE" redefined
   15 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
psock_snd.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
so_txtime.c:13:9: warning: "_GNU_SOURCE" redefined
   13 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
reuseport_bpf_numa.c:7:9: warning: "_GNU_SOURCE" redefined
    7 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
udpgso.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
udpgso_bench_rx.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
psock_fanout.c:30:9: warning: "_GNU_SOURCE" redefined
   30 | #define _GNU_SOURCE             /* for sched_setaffinity */
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_xdp.h' differs from latest version at 'include/uapi/linux/if_xdp.h'
udpgso_bench_tx.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
toeplitz.c:24:9: warning: "_GNU_SOURCE" redefined
   24 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
ip_defrag.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
msg_zerocopy.c:28:9: warning: "_GNU_SOURCE" redefined
   28 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
tcp_mmap.c:49:9: warning: "_GNU_SOURCE" redefined
   49 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
tun.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
txtimestamp.c:20:9: warning: "_GNU_SOURCE" redefined
   20 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
gro.c:38:9: warning: "_GNU_SOURCE" redefined
   38 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
so_incoming_cpu.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
tap.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
nettest.c:7:9: warning: "_GNU_SOURCE" redefined
    7 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
epoll_busy_poll.c:9:9: warning: "_GNU_SOURCE" redefined
    9 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
ipsec.c:7:9: warning: "_GNU_SOURCE" redefined
    7 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition
tls.c:3:9: warning: "_GNU_SOURCE" redefined
    3 | #define _GNU_SOURCE
      |         ^~~~~~~~~~~
<command-line>: note: this is the location of the previous definition