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Message-ID: <CANiq72ntZj10H1DBqRyX=uLertMw59e=PM7ESVJ0zWfu_ECnnA@mail.gmail.com>
Date: Fri, 14 Mar 2025 22:36:29 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: Thomas Weißschuh <linux@...ssschuh.net>, 
	Ben Hutchings <ben@...adent.org.uk>, Nathan Chancellor <nathan@...nel.org>, 
	Nicolas Schier <nicolas@...sle.eu>, Miguel Ojeda <ojeda@...nel.org>, 
	Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>, 
	Gary Guo <gary@...yguo.net>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <benno.lossin@...ton.me>, Andreas Hindborg <a.hindborg@...nel.org>, 
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>, 
	Danilo Krummrich <dakr@...nel.org>, linux-kbuild@...r.kernel.org, 
	linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org, 
	Urgau <urgau@...ericable.fr>
Subject: Re: [PATCH] kbuild, rust: use -fremap-path-prefix to make paths relative

On Thu, Mar 13, 2025 at 1:35 AM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> Yes, I pushed.

I have noticed in linux-next that the flag triggers an ICE when
building the docs with `O=` -- reduced and reported to upstream here:

    https://github.com/rust-lang/rust/issues/138520

Moreover, the flag was only added (to `rustdoc`, not `rustc`) starting
with 1.81.0, so we couldn't pass it anyway unconditionally to
`rustdoc` (it is OK for `rustc`).

In the meantime, the easiest to avoid both issues is to avoid passing
the flag when building docs -- I have sent a patch:

    https://lore.kernel.org/rust-for-linux/20250314213333.2230670-1-ojeda@kernel.org/

Cheers,
Miguel

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