undefined references

[John Richard Moser <nigelenki@comcast.net>]

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icebox linux-2.6.10-grs # make
  CHK     include/linux/version.h
make[1]: `arch/x86_64/kernel/asm-offsets.s' is up to date.
  CHK     include/linux/compile.h
  CHK     usr/initramfs_list
  GEN     .version
  CHK     include/linux/compile.h
  UPD     include/linux/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
fs/built-in.o(.text+0xe413): In function `link_path_walk':
: undefined reference to `gr_inode_follow_link'
fs/built-in.o(.text+0xe933): In function `link_path_walk':
: undefined reference to `gr_inode_follow_link'
fs/built-in.o(.text+0x10c28): In function `sys_link':
: undefined reference to `gr_inode_hardlink'
fs/built-in.o(.text+0x10c52): In function `sys_link':
: undefined reference to `gr_inode_handle_create'
make: *** [.tmp_vmlinux1] Error 1

What would cause this kind of error?

I'm messing with reimplementing LSM from scratch and have a patch for
what I'm doing if anyone wants to communicate on this; it's pretty much
an academic endeavor (learn to code in the kernel, learn how lsm was
created, learn how GrSecurity's codebase works).
- --
All content of all messages exchanged herein are left in the
Public Domain, unless otherwise explicitly stated.

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