Re: [Consult] About tool chains of metag

[James Hogan <james.hogan-1AXoQHu6uovQT0dZR+AlfA@public.gmane.org>]

On 04/12/13 12:02, James Hogan wrote:
> On 04/12/13 05:45, Chen Gang wrote:
>> Could you provide any related information about metag tool chains?
>>
>> I plan to cross compile metag with allmodconfig, but now it seems not
>> quite easy to find related gcc (binutils-2.23.2 support metag, but gcc
>> main line does not).
> 
> A buildroot tree containing a gcc-4.2.4 patch can be found here:
> 
> git://github.com/img-meta/metag-buildroot.git metag-core
> 
> Use meta2_defconfig
> 
> There's a known issue with all/random config builds with this toolchain
> which results in internal compiler errors triggered by the inline asm in
> arch/metag/include/asm/io.h when used by certain drivers, so I need to
> update the patch to the latest before these will go away.

I've pushed a new buildroot branch which has the updated GCC 4.2.4 patch:

git://github.com/img-meta/metag-buildroot.git metag-core-2013.11
Again use meta2_defconfig.

Tony: Is this something you can easily use to generate a Meta toolchain
for https://www.kernel.org/pub/tools/crosstool/?

Thanks
James

> 
> The other main issue with all/random config builds for Meta is a few
> missing !METAG dependencies on legacy PC peripherals like SERIO_I8042,
> which I believe you've already come across for Arc.
> 
> Please read this thread before attempting to fix them:
> https://lkml.kernel.org/r/201211161520.03974.arnd-r2nGTMty4D4@public.gmane.org
> 
> I haven't got around to fixing this properly myself, but it would be a
> worthwhile improvement if you felt inclined to do so.

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