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





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.

Cheers,

--
Julien Grall

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