Re: [build bug] lguest build failure: drivers/lguest/x86/switcher_32.S:(.text+0x3815f8): undefined reference to `LGUEST_PAGES_regs_trapnum'

Sergio Luis
2008-02-18T22:22:27Z

Christian Kujau wrote:
> On Sun, 17 Feb 2008, Sergio Luis wrote:
>> oops. sorry, I just realized I missed the makefile part. I changed
>> the config symbol to CONFIG_LGUEST_HYPERVISOR so I should change it on
>> the makefile as well. reposting an updated patch for testing:
>
> Hm, now I cannot select LGUEST as a module any more:
>
> $ make clean && time make
> [...]
> HOSTCC scripts/kconfig/zconf.tab.o
> HOSTLD scripts/kconfig/conf
> scripts/kconfig/conf -s arch/x86/Kconfig
> .config:1793:warning: symbol value 'm' invalid for LGUEST
> [...]
> Linux hypervisor (LGUEST) [Y/n/?] (NEW)

if you select Y here it will prompt you about the lguest hypervisor, the code in question, the one you want to build, and you will then be able to select it as a module, if you want, or built-in into the kernel.
I dont like this approach myself, but it does fix the problem. I was hoping people would come up with better ideas on how to properly fix it.
-sergio

>
> Is this intentional? I've tried your patch with or without Rusty's
> patch, both gave me the same results. My .config:
> http://nerdbynature.de/bits/2.6.25-rc2/lguest/
>
> Thanks,
> Christian.