Re: Building newlib for Cortex-M with LLVM

[Jonathan Roelofs <jonathan at codesourcery dot com>]

On 11/11/15 4:16 PM, Olivier MARTIN wrote:
> Hello all,
> recently I found a warning generated by Clang while building my project
> that is based on Newlib (see
> https://sourceware.org/ml/newlib/2015/msg00714.html).
>
> I was curious... and I was wondering whether I could build newlib with
> Clang.
snip
> * The second issue is what I believe to be a Clang issue. Clang does not
> support when macros are defined into inline assembly and used later on.
> Assembly macros are quite used in the ARM string functions (eg:
> 'RETURN', 'optpld' macros).
> I raised a Clang bug for this one:
> https://llvm.org/bugs/show_bug.cgi?id=25495

This one is very unlikely to get fixed in clang. I ran into this same 
exact thing about a year ago... now I feel bad for not upstreaming the 
patches for it.  Attached is what I was able to dig out of version 
control, HTH.


Jon

> Any feedback or comment on my investigation are welcome. I am quite
> happy to try few things.
>
> Thanks,
>
> ---
> Olivier MARTIN
> http://labapart.com - Lab A Part

--
Jon Roelofs
jonathan@codesourcery.com
CodeSourcery / Mentor Embedded

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