[coreboot] Trouble linking coreinfo payload

[Andrew Guertin]

I'm having trouble building the coreinfo payload, at the linking stage.

I've checked out a fresh copy of the coreboot repository from svn. I've then run 
the following commands:

cd payloads/libpayload/
make menuconfig (accepted defaults)
make
make install
cd ../coreinfo/
make menuconfig (accepted defaults)
make

I get the following error:

/.../coreboot/payloads/coreinfo/build/cpuinfo_module.o: In function 
`cpuinfo_module_init':
cpuinfo_module.c:(.text+0x496): undefined reference to `__udivdi3'
../libpayload/install/libpayload/bin/../lib/libpayload.a(timer.o): In function 
`get_cpu_speed':
timer.c:(.text+0x113): undefined reference to `__udivdi3'
../libpayload/install/libpayload/bin/../lib/libpayload.a(timer.o): In function 
`ndelay':
timer.c:(.text+0x1a5): undefined reference to `__udivdi3'
../libpayload/install/libpayload/bin/../lib/libpayload.a(timer.o): In function 
`udelay':
timer.c:(.text+0x202): undefined reference to `__udivdi3'
../libpayload/install/libpayload/bin/../lib/libpayload.a(printf.o): In function 
`print_number':
printf.c:(.text+0x335): undefined reference to `__umoddi3'
printf.c:(.text+0x370): undefined reference to `__udivdi3'
collect2: ld returned 1 exit status
make: *** 
[/home/andrew/offtime/coreboot/coreboot/payloads/coreinfo/build/coreinfo.elf] 
Error 1


I'm running Gentoo Linux on an x86_64 machine with no 32-bit libraries, and no 
kernel support for 32-bit binaries. System gcc is 4.4.3, system ld is 
2.20.1.20100303.

Am I doing something wrong? How can I fix this?

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