[Buildroot] [PATCH v2 1/1] qt5webkit: fix build issue with 32-bits armv8-a
Adrian Perez de Castro
aperez at igalia.com
Fri Mar 2 21:19:08 UTC 2018
On Fri, 2 Mar 2018 11:16:24 -0500, Gaël PORTAY <gael.portay at savoirfairelinux.com> wrote:
> On Fri, Mar 02, 2018 at 02:23:01PM +0100, Thomas Petazzoni wrote:
> > Hello,
> > On Fri, 2 Mar 2018 06:58:53 -0500, Gaël PORTAY wrote:
> > >
> > > [...]
> > Do you know why we have this difference between __ARM_ARCH_8__ and
> > __ARM_ARCH_8A__ ?
> Honestly I don't.
> I think that the __ARM_ARCH_8__ is never defined and probably does not
> exist (at least with gcc). But I may be wrong.
> I tried to all the armv8 -mcpu option with gcc and I never had
> __ARM_ARCH_8__ defined.
I haven't got the time to check right now, but I *suspect* that Clang (or
Apple's Clang) uses __ARM_ARCH_8__, because the initial support for 64-bit
ARM was done by Apple and they use Clang.
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