linux-kernel - Re: Alternative compilers to GCC/Clang

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Date:   Tue, 2 Feb 2021 21:19:20 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Amy Parker <enbyamy@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-gcc@...r.kernel.org,
        linux-kbuild@...r.kernel.org, Willy Tarreau <w@....eu>
Subject: Re: Alternative compilers to GCC/Clang

On Tue, Feb 02, 2021 at 11:11:32AM -0800, Amy Parker wrote:
> On Tue, Feb 2, 2021 at 8:26 AM Amy Parker <enbyamy@...il.com> wrote:
> > > It compiles extremely fast, implements some subsets of gcc (a few
> > > attributes for example), but is far from being able to compile a kernel
> >
> > Well, we'll see what I can do with that. :)
> 
> Well, just installed it and tried building the kernel. Fails every file. :)
> 
> It's definitely something to work towards - but I don't know if kernel
> advancements requiring newer GCC versions will go slow enough to allow
> TCC improvements to arise. This isn't just something like with Clang
> where a few tweaks to files and to Clang itself did the trick.

Maybe this'll help you find something to do:

https://www.youtube.com/watch?v=iU0Z0vBKrtQ

Yes, it would be lovely to be able to compile the kernel with tcc but it
is not going to be trivial.

Good luck.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette