Compile error in main.c [2.6.bk]

["Giacomo A. Catenazzi" <cate@debian.org>]

Hello!

Since few days I cannot recompile the kernel.
Do I have some very strange configuration?
[ i386, pentium 4, SMP, $KB stack,...
full .config at request]

   CC      init/main.o
In file included from include/linux/proc_fs.h:6,
                  from init/main.c:17:
include/linux/fs.h:23:25: linux/audit.h: No such file or directory
In file included from include/asm/irq.h:16,
                  from include/linux/kernel_stat.h:5,
                  from init/main.c:34:
include/asm-i386/mach-default/irq_vectors.h:87:32: irq_vectors_limits.h: No such file or directory
In file included from init/main.c:34:
include/linux/kernel_stat.h:28: error: `NR_IRQS' undeclared here (not in a function)
make[1]: *** [init/main.o] Error 1
make: *** [init] Error 2

ciao
	cate