Something

make[1]: Leaving directory `/usr/src/kernel-source-2.6.8'
/usr/bin/make EXTRAVERSION=-3-686   ARCH=i386 prepare
make[1]: Entering directory `/usr/src/kernel-source-2.6.8'
  SPLIT   include/linux/autoconf.h -> include/config/*
  HOSTCC  scripts/genksyms/genksyms.o
  SHIPPED scripts/genksyms/lex.c
  SHIPPED scripts/genksyms/parse.h
  SHIPPED scripts/genksyms/keywords.c
  HOSTCC  scripts/genksyms/lex.o
  SHIPPED scripts/genksyms/parse.c
  HOSTCC  scripts/genksyms/parse.o
  HOSTLD  scripts/genksyms/genksyms
  CC      scripts/mod/empty.o
  HOSTCC  scripts/mod/mk_elfconfig
  MKELF   scripts/mod/elfconfig.h
  HOSTCC  scripts/mod/file2alias.o
  HOSTCC  scripts/mod/modpost.o
  HOSTCC  scripts/mod/sumversion.o
  HOSTLD  scripts/mod/modpost
  HOSTCC  scripts/conmakehash
  HOSTCC  scripts/kallsyms
  HOSTCC  scripts/pnmtologo
  HOSTCC  scripts/bin2c
  SYMLINK include/asm -> include/asm-i386
  CHK     include/linux/version.h
  UPD     include/linux/version.h
  CC      arch/i386/kernel/asm-offsets.s
In file included from include/asm/thread_info.h:16,
                 from include/linux/thread_info.h:21,
                 from include/linux/spinlock.h:12,
                 from include/linux/capability.h:45,
                 from include/linux/sched.h:7,
                 from arch/i386/kernel/asm-offsets.c:7:
include/asm/processor.h:87: error: array type has incomplete element type
make[2]: *** [arch/i386/kernel/asm-offsets.s] Error 1
make[1]: *** [arch/i386/kernel/asm-offsets.s] Error 2
make[1]: Leaving directory `/usr/src/kernel-source-2.6.8'
make: *** [debian/stamp-kernel-conf] Error 2