[OE-core] [PATCH V2 1/3] kernel.bbclass, module-base.bbclass: Use CC to form KERNEL_CC

[Khem Raj]

On Tue, Sep 11, 2012 at 11:32 PM, Phil Blundell <philb at gnu.org> wrote:
> On Tue, 2012-09-11 at 22:59 -0700, Khem Raj wrote:
>> kernel compiler is not special and we currently have it so
>> we want to pass -march and -mtune options as CFLAGS to kernel
>> build so that compiler picks the right subarch flags when
>> compiling assembly files in particular.
>
> Historically, the kernel compiler has indeed been special: there have
> been some machines where, due to bugs in the kernel or the compiler or
> both, we need to use a different version of the compiler for the kernel
> than we use for userspace.  The most famous example of this were the old
> ARM kernels back in the day which needed gcc-2.95 long after everyone
> else had stopped using it, but I think there might be a few cases where
> the same situation obtains even today.

I agree with history but we have moved away from 2.9x for long.
moreover v1 of this patch has been posted for weeks no one raised a
concern which I take that such cases are not there anymore with
OE-Core

>
> If you remove ${KERNEL_CCSUFFIX} then we will lose the ability to do
> that (easily).  I'm not necessarily opposed to such a change but I think
> it does need to be justified with clear benefits.
>

again if there is a usecase with OE-Core of such a kind. I will be
happy to deal with it no one has shown me one.

> p.
>
>