Re: [PATCH] kernel/linux: change arch tuple to use -uclinux for uclinux toolchains

[Esben Haabendal <esben dot haabendal at dev dot prevas dot dk>]

Mike Frysinger <vapier@gentoo.org> writes:

> On Wednesday 26 September 2012 00:47:07 Esben Haabendal wrote:
>> Mike Frysinger <vapier@gentoo.org> writes:
>> >> I will rework the patch to set CT_TARGET_KERNEL depending on both
>> >> CT_ARCH_USE_MMU and CT_ARCH.  So "linux" for bfin and "uclinux" for
>> >> m68k.
>> > 
>> > hard coding one way or the other is wrong.  bfin-uclinux is valid, as is
>> > m68k- uclinux and arm-uclinux and mips-uclinux and many other targets.
>> 
>> Well, the fact is that either GCC has to be changed to handle
>> linux/uclinux in the arch tuple to your preferences, or ct-ng has to be
>> able to handle it.  The current situations makes ct-ng unable to build
>> linux-uclibc for m68k cpus without mmu.
>
> i don't know what the selection of ct-ng looks like as i don't use it.  i'm 
> just clarifying incorrect statements made and giving background.

Yes, thank you, highly appreciated. I don't know why, but I somehow
just assumed that FD_PIC_ELF were supported by m68k, but without
support in both GCC or Linux I guess I was being slightly optimistic ;-)

> if you want to target m68k systems running Linux w/out an mmu using
> the FLAT format, then "m68k-uclinux" is the tuple you want to use.

And that is exactly what we will do, which then requires a bit of logic
to not mess up the bfin arch in ct-ng.

/Esben

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