==========
build_clang - FAILED


ERROR: modpost: "sock_kmemdup" [net/ipv6/ipv6.ko] undefined!
ERROR: modpost: "sock_kmemdup" [net/sctp/sctp.ko] undefined!
make[3]: *** [../scripts/Makefile.modpost:147: Module.symvers] Error 1
make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1939: modpost] Error 2
make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2
ERROR: modpost: "sock_kmemdup" [net/ipv6/ipv6.ko] undefined!
ERROR: modpost: "sock_kmemdup" [net/sctp/sctp.ko] undefined!
make[3]: *** [../scripts/Makefile.modpost:147: Module.symvers] Error 1
make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1939: modpost] Error 2
make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2