I received filo by the Coreboot site, and libpayload was made successfully but making filo stops with the following error:
/root/bios/coreboot/payloads/filo> make Found Libpayload /root/bios/coreboot/payloads/filo/build/libpayload/lib/libpayload.a. CC build/i386/context.o CC build/i386/segment.o CC build/i386/timer.o CC build/i386/sys_info.o CC build/i386/linux_load.o /root/bios/coreboot/payloads/filo/i386/linux_load.c:752:5: error: expected identifier or '(' before numeric constant make: *** [/root/bios/coreboot/payloads/filo/build/i386/linux_load.o] Error 1