[uml-devel] Can't compile under vanilla 2.6.11

[Ian McDonald <imcdnzl@gmail.com>]

Hi there,

I've been watching the discussion around 2.6.11 and reading the
archives and I can't find the information with any clarity that I
need. My problem is that I can't get UML to compile. I can on 2.4.27
(with the standard patches) and with 2.6.10 also.

My environment is Debian Woody with 2.4.27 kernel. My gcc version is
2.95.4. I am using default options when I do 'make menu_config
ARCH=um'

Here is the error that I am experiencing once I do 'make linux ARCH=um':
arch/um/kernel/sys_call_table.c:277: duplicate array index in initializer
arch/um/kernel/sys_call_table.c:277: (near initialization for `sys_call_table')
arch/um/kernel/sys_call_table.c:277: duplicate array index in initializer
arch/um/kernel/sys_call_table.c:277: (near initialization for `sys_call_table')

The code at line 277 is:
       ARCH_SYSCALLS
       [ LAST_SYSCALL + 1 ... NR_syscalls ] =
               (syscall_handler_t *) sys_ni_syscall

I don't quite understand this as it surpasses my C knowledge but if I
do a dirty hack and change this to:

       [ LAST_SYSCALL + 1 ... NR_syscalls ] =
               (syscall_handler_t *) sys_ni_syscall

i.e. remove ARCH_SYSCALS it compiles.

However when it goes to finish off and link I then get this error message
arch/um/kernel/built-in.o: In function `do_buffer_op':
arch/um/kernel/built-in.o(.text+0xcf4a): undefined reference to `va_copy'
arch/um/kernel/built-in.o(.data+0x1570): undefined reference to `sys_vserver'

and I don't have a linux kernel.

Can anybody point me in the right direction?

Regards,

Ian


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