Hi,
I see these warning on my x86_32 box :
..
drivers/net/Kconfig:1887:warning: 'select' used by config symbol 'FEC_MPC52xx' refers to undefined symbol 'PPC_BESTCOMM'
drivers/net/Kconfig:1888:warning: 'select' used by config symbol 'FEC_MPC52xx' refers to undefined symbol 'PPC_BESTCOMM_FEC'
..
introduced by :
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5d031e9e7e9ad5aa6516646f955c6262478e1acd
Regards,
Gabriel C