make oldconfig problem Re: autoconf.h and auto.conf missing

[Sergio Monteiro Basto <sergio@sergiomb.no-ip.org>]

On Mon, 2006-11-27 at 23:47 +0100, Lukasz Stelmach wrote:
> Greetings.
> 
> It seems that someone has broken *conf programs in 2.6.18 because
> only "make silentoldconfig" recreates autoconf.h and auto.conf
> properly after configuration (.config) has changed.
> 
> I do everything as I always have done.
> 1. create an empty dir and put my current .config there
> 2. make O=dir oldconfig
> 3. compile, everything seems to be OK here
> 4. do some changes to .config and make oldconfig once again
> BZZZZZT

yap I have the same problem 

to workaround I just do make xconfig and click on save.

I like to have some more input about this ....

Thanks, 
> 5. auto.conf and autoconf.h don't change along with .config and when
>  I build the kernel once again new settings don't take effect.
> 
> I discovered I have to make silentoldconfig to regenerate autoconf
> files. However, this *seems* to force rebuilding of all the objects
> instead of, what it has always done, only those that depend on
> altered configurations.
> 
> Has anyone else seen something like this? Is it a bug or a feature?
> 
> Best regards,
> 
> Please CC, I am not a subscriber.