[..]
  CC      net/ipv4/arp.o
  LD      net/ipv4/built-in.o
  LD      net/built-in.o
  GEN     .version
  CHK     include/linux/compile.h
  UPD     include/linux/compile.h
  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
drivers/built-in.o(.init.text+0x8cc): In function `acpi_bus_init':
: undefined reference to `eisa_set_level_irq'
make: *** [.tmp_vmlinux1] Error 1


.config attached.

- Aviram