[klibc] [BUG] Choice between compile errors

[H. Peter Anvin]

Bodo Eggert wrote:
> On Thu, 5 Jul 2007, H. Peter Anvin wrote:
>> Bodo Eggert wrote:
> 
>>> If the linux kernel was built using O=builddir, there is no correct choice 
>>> for the linux symlink in klibc-1.5. See below for the possible outcomes:
>> Don't do that then...
> 
> It's a standard feature, and it's there because it has a purpose.
> I'm compiling for three systems, not using O= would be very inconvenient,
> especially if done only to make klibc happy.

Of course.  Unfortunately the O= uses a lot of -I hacks which are hard
to replicate in klibc.  Like anything else, I'm sure that it could be
done with enough time.

>> either use a clean kernel tree for this specific
>> purpose,
> 
> A clean tree won't do, you have to dirty it by starting a compile in order 
> to get the required headers.

Right, but you don't need to do a full compile, just "make defconfig;
make prepare".

>> or use the output of "make headers_install" (which is really
>> the Right Thing to do.)
> 
> Thanks, you should probably mention that in the README.
> 
> To be more precise: The linux link has to point to
>  - a linux directory which was used for compiling a kernel without O=
> or
>  - INSTALL_HDR_PATH after running 'make headers_install'

Yes, that would be good.

	-hpa