[coreboot] linker problem after menuconfig

austinro at msu.edu austinro at msu.edu
Sun Aug 1 22:34:31 CEST 2010

Quoting Stefan Reinauer <stefan.reinauer at coresystems.de>:

>  On 8/1/10 7:13 AM, austinro at msu.edu wrote:
>> Hi.
>> The wiki page for seabios recommends configuring coreboot with
>> When building for the jetway j7f24 target, setting those two options
>> in menuconfig results in the following error (after "make"):
>>     CC         cpu/intel/microcode/microcode.o
>>     AR         coreboot.a
>>     CC         coreboot_ram.o
>>     CC         coreboot_ram
>> build/coreboot_ram.o: In function `vga_init':
>> vga.c:(.text+0x1968): undefined reference to
>> `mainboard_interrupt_handlers'
>> collect2: ld returned 1 exit status
>> make: *** [build/coreboot_ram] Error 1
>> With both options enabled make finishes.  I don't know much about
>> kconfig, so I haven't been able to figure out where the problem is.
>> Here is my .config
> You also need to disable CONFIG_PCI_ROM_RUN.
> The behavior here was slightly changed over time, so we probably should
> fix the documentation. We should also fix the code. Compilation errors
> are not so nice.
> Stefan

Yes, the documentation does say to disable CONFIG_PCI_ROM_RUN, which I did, but I didn't mention that because it seemed irrelevant.  After trying different combinations, I see make fails when CONFIG_VGA_BRIDGE_SETUP is enabled and both CONFIG_PCI_ROM_RUN and CONFIG_VGA_ROM_RUN are disabled (the recommended combination), but works if either _ROM_RUN option is enable.  

Should be fairly simple to fix, so I guess it's time for me to learn how kconfig works.

Rob Austin
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