[coreboot] filo build failure: get_multiboot_info is undefined

The libpayload and filo code is from repos r4671.

Summary of the error:

...
  LD      build/filo
/home/fuchsk/coreboot/filo/build/libpayload/lib/libpayload.a(sysinfo.o): \
In function `lib_get_sysinfo':
sysinfo.c:(.text+0x18): undefined reference to `get_multiboot_info'
make: *** [/home/fuchsk/coreboot/filo/build/filo] Error 1
$

Downloaded code via http://tracker.coreboot.org/trac/coreboot/browser/trunk/payloads & http://tracker.coreboot.org/trac/filo/browser/trunk and the zip download
links at the bottom of each page.  Extracted onto a relatively current
(1-2 months old), trim (~600MB) Debian system.

libpayload was built as follows:

$ pushd ~/coreboot/trunk/payloads/libpayload
$ make clean
$ make defconfig
$ make
$ make DESTDIR=../../../filo/build install
$ pushd ../../../filo/
$ make menuconfig
<Save config without making any (new) selections.>
$ make
  CC      build/i386/context.o
  AS      build/i386/switch.S.o
  CC      build/i386/segment.o
  CC      build/i386/timer.o
  CC      build/i386/sys_info.o
  CC      build/i386/linux_load.o
  CC      build/main/filo.o
  CC      build/main/strtox.o
  CC      build/main/elfload.o
  CC      build/main/elfnote.o
  CC      build/main/ipchecksum.o
  CC      build/main/grub/grub.o
  CC      build/main/grub/builtins.o
  CC      build/main/grub/cmdline.o
  CC      build/main/grub/char_io.o
  CC      build/main/grub/completions.o
  CC      build/main/grub/md5.o
  CC      build/fs/blockdev.o
  CC      build/fs/vfs.o
  CC      build/fs/eltorito.o
  CC      build/fs/fsys_ext2fs.o
  CC      build/fs/fsys_fat.o
  CC      build/fs/fsys_reiserfs.o
  CC      build/fs/fsys_iso9660.o
  CC      build/fs/fsys_cbfs.o
In file included from /home/fuchsk/coreboot/filo/fs/fsys_cbfs.c:21:
include/cbfs.h:160: warning: â declared inside parameter list
include/cbfs.h:160: warning: its scope is only this definition or declaration, \
which is probably not what you want
  CC      build/fs/cbfs.o
In file included from /home/fuchsk/coreboot/filo/fs/cbfs.c:22:
include/cbfs.h:160: warning: â declared inside parameter list
include/cbfs.h:160: warning: its scope is only this definition or declaration, \
which is probably not what you want
/home/fuchsk/coreboot/filo/fs/cbfs.c: In function â:
/home/fuchsk/coreboot/filo/fs/cbfs.c:88: warning: assignment makes integer from\
 pointer without a cast
/home/fuchsk/coreboot/filo/fs/cbfs.c:108: warning: comparison between pointer a\
nd integer
  CC      build/fs/lzma.o
  CC      build/drivers/ide.o
  CC      build/drivers/intel.o
  CC      build/drivers/newusb/usb.o
  LD      build/filo
/home/fuchsk/coreboot/filo/build/libpayload/lib/libpayload.a(sysinfo.o): In fun\
ction `lib_get_sysinfo':
sysinfo.c:(.text+0x18): undefined reference to `get_multiboot_info'
make: *** [/home/fuchsk/coreboot/filo/build/filo] Error 1
$

Any suggestions for resolving this error?

Sincerely,

Ken Fuchs