[support] Error compiling NEPL Linux 2.6.23 UML for clownix

[Devan Rehunathan]

Hello,

I'm trying to set up the virtual tested for NEMO using software from
clownix.net as recommend by http://www.nautilus6.org/doc/nepl-howto/.

However, I'm unable to create a linux kernel 2.6.23 for UML.

my first error:
debian:~/uml/linux-2.6.23# make ARCH=um
  SYMLINK arch/um/include/kern_constants.h
  SYMLINK arch/um/include/sysdep
  CC      arch/um/sys-i386/user-offsets.s
arch/um/sys-i386/user-offsets.c:7:22: error: asm/user.h: No such file or
directory
arch/um/sys-i386/user-offsets.c: In function ‘foo’:
arch/um/sys-i386/user-offsets.c:51: error: invalid application of ‘sizeof’
to incomplete type ‘struct user_i387_struct’
arch/um/sys-i386/user-offsets.c:52: error: invalid application of ‘sizeof’
to incomplete type ‘struct user_fxsr_struct’
arch/um/sys-i386/user-offsets.c:70: error: invalid application of ‘sizeof’
to incomplete type ‘struct user_regs_struct’
make[1]: *** [arch/um/sys-i386/user-offsets.s] Error 1
make: *** [arch/um/sys-i386/user-offsets.s] Error 2

Tried this solution:
http://github.com/icco/rgrrgr/blob/66286e25a0c7fa464a8bfafa84aa2f2942115553/uml-notes.txt

As predicted, my new error is:
debian:~/uml/linux-2.6.23# make ARCH=um
  SYMLINK arch/um/include/kern_constants.h
  CC      arch/um/sys-i386/user-offsets.s
arch/um/sys-i386/user-offsets.c: In function ‘foo’:
arch/um/sys-i386/user-offsets.c:51: error: invalid application of ‘sizeof’
to incomplete type ‘struct user_i387_struct’
arch/um/sys-i386/user-offsets.c:52: error: invalid application of ‘sizeof’
to incomplete type ‘struct user_fxsr_struct’
make[1]: *** [arch/um/sys-i386/user-offsets.s] Error 1
make: *** [arch/um/sys-i386/user-offsets.s] Error 2

I have tried compiling with gcc-4.3, gcc-4.2 , gcc-4.1 and gcc-3.4, all of
which return the same error.

I'm compiling the code on a debian lenny vmware image. All sources are those
recommended by the HOWTO.

Is there an alternative method of creating a Home Agent/Mobile Router UML
image?

Also how do you configure clownix to use separate kernel images for separate
hosts?

Thank you for your time.

Regards
Devan
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