Re: [PATCH 00/14] kconfig: streamline distro configs for testers

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On Fri, 21 Aug 2009, Ingo Molnar wrote:

> 
> * Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
> > 
> > On Fri, 21 Aug 2009, Steven Rostedt wrote:
> > > 
> > > OK, I found the bug. There's a dependency missing.
> > > 
> > > $ make localyesconfig
> > >   HOSTCC  scripts/basic/fixdep
> > >   HOSTCC  scripts/basic/docproc
> > >   HOSTCC  scripts/basic/hash
> > > using config: '/boot/config-2.6.27.25-78.2.56.fc9.x86_64'
> > > /bin/sh: line 8: scripts/kconfig/conf: No such file or directory
> > > make[1]: *** [localyesconfig] Error 127
> > > make: *** [localyesconfig] Error 2
> > > 
> > > Thus the script failed to run. But the sed command that converts the '=m' 
> > > to '=y' still ran. This gives us a distro config with all modules 
> > > converted to built in!
> > 
> > Funny that localmodconfig does not have this bug.
> 
> ... add to that i dont use modules much so i probably hit that 
> localyesconfig bug ;-)
> 
> btw: mind adding localrandconfig too? It would be a perfect tool to 
> randomize all configs except a 'must have' core set of options.
> 
> ( Or is this already possible via some existing kconfig feature? I
>   remember having seen something related, did that ever get
>   upstream? A quick grep in scripts/ shows nothing but i might have
>   missed it.)

OK, I'll add that to my todo list. Note, it the local config is only as 
good as the starting .config. That is, it never touches =y settings, 
because it only uses loaded modules as a base. Thus if something is set to 
=y it will always be set to =y.

What would you have in mind. Just randomly enabling modules? If we enable 
a "y" config then the next local*config will still keep that set.

-- Steve

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