Re: [Xen-devel] [PATCH 00/12] xen/arm: Add support to build with clang

[Julien Grall <julien.grall@xxxxxxx>]

Hi,

On 16/04/2019 23:43, Stefano Stabellini wrote:
> On Fri, 29 Mar 2019, Julien Grall wrote:
> > On 28/03/2019 11:27, Artem Mygaiev wrote:
> > > Hi Julien,
> > Hi Artem,
> >
> > > On Wed, 2019-03-27 at 18:45 +0000, Julien Grall wrote:
> > > > Hi all,
> > > >
> > > > This series adds support to build Xen Arm with clang. This series was
> > > > tested
> > > > with clang 8.0.
> > > >
> > > > Note that I only did build for arm64. I still need to look at the arm32
> > > > build.
> > > I wonder if you have time to try the series with Arm Compiler 6? I am
> > > asking because AFAIK it is based on clang/llvm [1] and there's a
> > > safety-compliant version of it certified by TUV [2]. I don't have a
> > > license yet so cannot try it myself but maybe you have access.
> > I gave a quick try to the Arm Compiler. I had to hack a bit config/StdGNU.mk
> > to pass armclang and the appropriate target option.
> >
> > I also had a linking issue at the end where __2snprintf was not found. It
> > seems the compiler replace snprintf with __2snprintf, I haven't figured out
> > why yet.
> But after these changes, does it work?
I haven't tried to fix the linking issues. I only gave a quick try because Artem 
asked. I have no plan at the moment to go further than that for now.
Patches are welcomed to add support for armclang.

Cheers,

--
Julien Grall

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