Re: Build regression: unknown option "visible"

[Michal Marek]

On 20.12.2010 18:37, Arnaud Lacombe wrote:
> Hi,
>
> On Mon, Dec 20, 2010 at 12:22 PM, Carlos R. Mafra<crmafra2@xxxxxxxxx>  wrote:
> > After pulling latest git from Linus (v2.6.37-rc6-132-g55ec86f)
> > I can't compile it anymore:
> >
> > [mafra@Pilar:linux-2.6]$ make -j2 O=/mnt/ext4/kernel-output/
> >   GEN     /mnt/ext4/kernel-output/Makefile
> > scripts/kconfig/conf --silentoldconfig Kconfig
> > drivers/i2c/algos/Kconfig:6: unknown option "visible"
> > drivers/media/common/tuners/Kconfig:48: unknown option "visible"
> > drivers/media/video/Kconfig:115: unknown option "visible"
> > drivers/media/dvb/frontends/Kconfig:16: unknown option "visible"
> > make[3]: *** [silentoldconfig] Fehler 1
> > make[2]: *** [silentoldconfig] Fehler 2
> >
> > This was introduced by 37e3273ee52f ("media/video: convert Kconfig
> > to use the menu's `visible' keyword"), but I did a quick search
> > and apparently I am the only one with a broken build.
> >
> > In any case, that's a regression for me and therefore I'm reporting it.
> >
> > I can test patches etc and provide more info if needed.
> Did you build from a clean tree or a dirty one ?
>
> I know these is issue with Kbuild where the parser will not get
> updated to the new version if the target already exist but is older
> than the current "shipped" one.

Yes, if you build kconfig in the source tree and then do another build 
in a separate directory (make O=/some/where), the build system will not 
detect this and happily use generated kconfig files from the previous 
build attempt. I really should fix this given the pace of kconfig 
development lately :-).

Michal
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