LinuxBox linux # make
  CHK     include/linux/version.h
  SPLIT   include/linux/autoconf.h -> include/config/*
  CHK     include/linux/compile.h
  CHK     usr/initramfs_list
Kernel: arch/i386/boot/bzImage is ready  (#3)
  Building modules, stage 2.
  MODPOST
*** Warning: "unregister_serial" [drivers/serial/snx_multi_io.ko] undefined!
*** Warning: "register_snx_serial" [drivers/serial/snx_multi_io.ko] undefined!
*** Warning: "__register_serial" [drivers/serial/8250.ko] undefined!
*** Warning: "SnxCardInList" [drivers/serial/8250.ko] undefined!