Re: strange build failure when kconfig symbol is bool but not when tristate

[Michal Marek <mmarek@suse.cz>]

On 15.10.2011 00:31, Randy Dunlap wrote:
> (my turn)
> 
> I have seen this randconfig build error 2-3 times in the past 3 months:
> (this one is from linux-next of 20111014.)
> 
> net/built-in.o: In function `unregister_8022_client':
> (.text+0x26157): undefined reference to `llc_sap_close'
> net/built-in.o: In function `register_8022_client':
> (.text+0x261b6): undefined reference to `llc_sap_open'
> net/built-in.o: In function `p8022_request':
> p8022.c:(.text+0x261e5): undefined reference to `llc_build_and_send_ui_pkt'
> net/built-in.o: In function `snap_request':
> psnap.c:(.text+0x26487): undefined reference to `llc_build_and_send_ui_pkt'
> net/built-in.o: In function `snap_init':
> psnap.c:(.init.text+0xb22): undefined reference to `llc_sap_open'
> net/built-in.o: In function `snap_exit':
> psnap.c:(.exit.text+0x16): undefined reference to `llc_sap_close'
> 
> I finally found that if I change drivers/net/tokenring/Kconfig
> symbol TR from bool to tristate, the build completes successfully,
> but I don't understand why this is happening.

It seems that you have TR built-in, but LLC modular, i.e. the 'select
LLC' is not doing what it should. Can you attach the whole config?

Michal