Building RTEMS with Clang?

[Joel Sherrill]

On Mon, Nov 6, 2017 at 5:23 PM, Hesham Almatary <heshamelmatary at gmail.com>
wrote:

> Hi,
>
> I've come across this page [1], but it hasn't been updated since 2011.
> I'm wondering what's the status of Clang project and how feasible it's
> to build RTEMS with it.
>

That page is status from my attempt to compile RTEMS with clang.
I got far enough to know that the bsp_specs were a gcc dependent
issue that had to be addressed and that the bsp_specs were
assumed to be present by the build system.

Things got a lot better with Gaisler (Daniel H. cc'ed) putting serious
effort into clang/llvm on the SPARC for RTEMS. They even added
support for a compact instruction set like the Thumb.

It would be interesting to see how their SPARC work improved
the situation in general. That has not been evaluated.

--joel


>
> [1] https://devel.rtems.org/wiki/Projects/CLANG
>
> Cheers,
> --
> Hesham
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