Re: [PATCH] kbuild, rust: use -fremap-path-prefix to make paths relative

[Masahiro Yamada]

On Wed, Mar 12, 2025 at 6:05 AM Thomas Weißschuh <linux@xxxxxxxxxxxxxx> wrote:
>
> On 2025-03-12 04:07:51+0900, Masahiro Yamada wrote:
> > On Wed, Mar 12, 2025 at 2:36 AM Ben Hutchings <ben@xxxxxxxxxxxxxxx> wrote:
> > >
> > > On Tue, 2025-03-11 at 20:03 +0900, Masahiro Yamada wrote:
> > > > On Mon, Feb 17, 2025 at 10:23 PM Miguel Ojeda
> > > > <miguel.ojeda.sandonis@xxxxxxxxx> wrote:
> > > > >
> > > > > On Mon, Feb 10, 2025 at 6:11 PM Thomas Weißschuh <linux@xxxxxxxxxxxxxx> wrote:
> > > > > >
> > > > > > Remap source path prefixes in all output, including compiler
> > > > > > diagnostics, debug information, macro expansions, etc.
> > > > >
> > > > > Hmm... We don't do all the cases in the C side -- the docs ask to use
> > > > > `KCFLAGS` when one wants to remove them in the debug info:
> > > > >
> > > > >     https://docs.kernel.org/kbuild/reproducible-builds.html#absolute-filenames
> > > > >
> > > > > I am not sure if there is a reason not to cover all cases in C (Cc'ing Ben).
> > >
> > > I think we should use the prefix-map options by default, for both C and
> > > Rust code.
> >
> > A patch is appreciated.
> > (top-level Makefile change with updates
> > in Documentation/kbuild/reproducible-builds.rst)
>
> I'm happy to send a patch.
> The new patch will conflict with the rust patch.
> Could you push the current kbuild tree to git.kernel.org so the new
> patch can be based on top of it?

Yes, I pushed.




--
Best Regards
Masahiro Yamada