Mine

  CC      net/ipsec/ipsec_init.o
  CC      net/ipsec/ipsec_sa.o
  CC      net/ipsec/ipsec_radij.o
  CC      net/ipsec/radij.o
  CC      net/ipsec/ipsec_life.o
  CC      net/ipsec/ipsec_proc.o
  CC      net/ipsec/ipsec_tunnel.o
  CC      net/ipsec/ipsec_xmit.o
  CC      net/ipsec/ipsec_rcv.o
  CC      net/ipsec/ipsec_ipip.o
  CC      net/ipsec/ipsec_snprintf.o
  CC      net/ipsec/sysctl_net_ipsec.o
  CC      net/ipsec/pfkey_v2.o
  CC      net/ipsec/pfkey_v2_parser.o
net/ipsec/pfkey_v2_parser.c:2474:5: warning: "KLIPS_PFKEY_ACQUIRE_LOSSAGE" is not defined
  CC      net/ipsec/pfkey_v2_ext_process.o
  CC      net/ipsec/version.o
  CC      net/ipsec/satot.o
  CC      net/ipsec/addrtot.o
  CC      net/ipsec/ultot.o
  CC      net/ipsec/addrtypeof.o
  CC      net/ipsec/anyaddr.o
  CC      net/ipsec/initaddr.o
  CC      net/ipsec/ultoa.o
  CC      net/ipsec/addrtoa.o
  CC      net/ipsec/subnettoa.o
  CC      net/ipsec/subnetof.o
  CC      net/ipsec/goodmask.o
  CC      net/ipsec/datatot.o
  CC      net/ipsec/rangetoa.o
  CC      net/ipsec/prng.o
  CC      net/ipsec/pfkey_v2_parse.o
  CC      net/ipsec/pfkey_v2_build.o
net/ipsec/pfkey_v2_build.c:1261:5: warning: "I_DONT_THINK_THIS_WILL_BE_USEFUL" is not defined
  CC      net/ipsec/pfkey_v2_debug.o
  CC      net/ipsec/pfkey_v2_ext_bits.o
  CC      net/ipsec/ipsec_esp.o
  CC      net/ipsec/ipsec_ipcomp.o
  CC      net/ipsec/ipsec_md5c.o
  CC      net/ipsec/ipsec_sha1.o
  CC      net/ipsec/ipsec_alg.o
  CC      net/ipsec/ipcomp.o
net/ipsec/ipcomp.c: In function 'skb_copy_ipcomp':
net/ipsec/ipcomp.c:677: error: 'struct sk_buff' has no member named 'private'
net/ipsec/ipcomp.c:677: error: 'struct sk_buff' has no member named 'private'
make[2]: *** [net/ipsec/ipcomp.o] Error 1
make[1]: *** [net/ipsec] Error 2
make: *** [net] Error 2