Re: [PATCH v5 0/4] ARM: ep93xx: ts72xx: Add support for BK3 board
From: Lukasz Majewski
Date: Sun Dec 17 2017 - 16:29:08 EST
> On Sun, Dec 17, 2017 at 8:41 PM, Lukasz Majewski <lukma@xxxxxxx>
> >> >> We also need to think about upholding support in GCC for
> >> >> ARMv4(t) for the foreseeable future if there is a big web of
> >> >> random deeply embedded systems out there that will need
> >> >> updates.
> >> >
> >> > But we should definitely preserve at least what we have.
> >> Plain ARMv4 (and earlier) support in gcc is already marked
> >> 'deprecated' and will likely be gone in gcc-8 (it's still there as
> >> of last week). ARMv4T is going to be around for a while, and you
> >> can even keep building for ARMv4 using "-march=armv4t -marm" when
> >> linking with 'ld --fix-v4bx'.
> > I think that we shall start complaining on the gcc-devel mailing
> > list now.
> > I would be hard to wake up in 2 years time and realise that we don't
> > have a modern compiler.
> What distro or build system are you using?
I'm using OE with the "include conf/machine/include/tune-arm920t.inc"
GCC 7.2 is working
> It would also be helpful
> to test whether the -march=armv4t/--fix-v4bx workaround produces
> working binaries for you, in that case you could report to the gcc
> developers that the removal of armv4 can continue but that
> the --fix-v4bx option in ld needs to stay around.
I may ask this issue on OE/Yocto mailing list as well....
Thanks for hint.
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