LLVM/clang status?

[Gedare Bloom]

Ah, thanks for the update Daniel!

I recently saw someone on newlib mailing list say that the newlib can
be compiled by clang for the ARM processor now.

-Gedare

On Fri, Sep 15, 2017 at 10:33 AM, Daniel Hellstrom <daniel at gaisler.com> wrote:
> Hi,
>
> We did submit some SPARC patches to make RTEMS compile with LLVM during May.
> One of the patches which was not accepted I believe Sebastian updated and
> pushed during end of July. We have not made any attempts rebuilding since.
> At the time we ran the tests we were able to run most of the RTEMS
> test-suite with 20-25 failures or so if I recall correctly. However most of
> them was not dependent on LLVM and fixed since in the RTEMS repository, the
> others were fixed in the LLVM SPARC/LEON-REX backend. I recall that there
> were some potential problems with SPARC inline assembly in some cases when
> building for LEON-REX (no surprise since it is not the same ISA..). Also, we
> built newlib using LLVM. I'm not sure which kernel configurations we
> compiled for though.
>
> Since May we distribute a LLVM-4.0 toolchain with our bare-metal
> environment. During the coming months we plan to release a LLVM toolchain
> together with RCC-1.3.x. However we have some work to do on the front-end
> for RTEMS first and testing of course. We will have some LLVM specific
> documentation once released.
>
> Regards,
> Daniel
>
>
> On 2017-09-14 02:10, Joel Sherrill wrote:
>
> Daniel Hellstrom should ready speak up. They have it working for SPARC. I
> don't know if anything special is needed for other targets so it should just
> be a matter of attempting it and seeing
>
> On Sep 13, 2017 6:46 PM, "Gedare Bloom" <gedare at rtems.org> wrote:
>>
>> I've seen some discussion about using clang to compile a few targets.
>> Is there any documentation about what is known to work/not work, and
>> any additional directions needed to be successful?
>>
>> -Gedare
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>
>
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