Rust front-end update 2023-04-05

[Arthur Cohen]

Sigh.... thank you :)

I'll blame this on the construction work going on in the building /s

I have rebased the commits, built them and tested them, and they are now 
properly pushed.

Thanks Thomas :)

On 4/6/23 09:59, Thomas Schwinge wrote:
> Hi Arthur!
> 
> On 2023-04-05T16:02:43+0200, arthur.cohen@embecosm.com wrote:
>> This patchset contains around 80 commits concerning the Rust frontend.
> 
> Did you not intend to actually 'git push' those?  ;-P
> 
> 
> Grüße
>   Thomas
> 
> 
>> We have been hard at work trying to get the Rust core library to
>> compile, and hope to push more commits in the coming days as we try
>> and upstream a more recent version of gccrs. All of the team has done
>> a tremendous amount of work in the last few weeks, as we get closer
>> and closer to compiling libcore 1.49.
>>
>> Our focus before GCC 13 releases is to improve the documentation of the
>> compiler and write more about the various flags used by the frontend,
>> which a user will need to understand and interact with.
>>
>> The commits we will be pushing before GCC 13 releases will not contain
>> any "major breakthrough", as some functionality required to compile
>> libcore properly will still take some time to implement. Very often used
>> Rust macros such as `format_args` are defined within the core library,
>> and require a high amount of work on the compiler side.
>>
>> Furthermore, integrating libcore as part of GCC will require
>> significant build system changes which are incompatible with the current
>> GCC stage. We will be making these changes as soon as possible and
>> integrate a version of libcore in GCC 14, as well as an implementation
>> of the libproc_macro crate. We will be submitting these patches and
>> pinging build system experts for extensive reviewing.
>>
>> Thank you to everyone involved with the project, and to everyone who
>> has helped us.
>>
>> All the best,
>>
>> Arthur
> -----------------
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-- 
Arthur Cohen <arthur.cohen@embecosm.com>

Toolchain Engineer

Embecosm GmbH

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