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Fri, 03 Oct 2025 12:16:21 -0700 (PDT) Date: Fri, 3 Oct 2025 22:16:17 +0300 From: Dan Carpenter To: Miguel Ojeda Cc: rust-for-linux@vger.kernel.org, Mark Brown , Miguel Ojeda , Alex Gaynor , Linux Next Mailing List , Linux Kernel Mailing List Subject: Re: linux-next: Tree for Oct 2 Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Oct 03, 2025 at 10:05:11AM +0300, Dan Carpenter wrote: > On Thu, Oct 02, 2025 at 11:35:10PM +0200, Miguel Ojeda wrote: > > On Thu, Oct 2, 2025 at 10:10 PM Dan Carpenter wrote: > > > > > > RUSTC L rust/core.o > > > error: cannot find a built-in macro with name `define_opaque` > > > --> /usr/lib/rustlib/src/rust/library/core/src/macros/mod.rs:1757:5 > > > | > > > 1757 | / pub macro define_opaque($($tt:tt)*) { > > > 1758 | | /* compiler built-in */ > > > 1759 | | } > > > | |_____^ > > > > > > > Thanks Dan. > > > > Hmm... Strange, it is the `core` library, which comes with the > > compiler and thus should always work. > > > > So it sounds like a mismatch between the binary used and the sources > > of the standard library (or perhaps other kind of mismatch, like the > > wrong edition being passed, but from a quick look it doesn't seem like > > it). > > > > I will try to reproduce it. Did you happen to recently upgrade the > > toolchain(s) or something like that, by chance? Are you using the > > Debian packages? > > Yes. I am using the debian packages. To be honest, I don't know it I > broke it with an update. It's possible. I am all the way updated with > `apt dist-upgrade`. > > I'm on rustc version 1.87.0+dfsg1-1. > It's fixed in today's linux-next. I did go back and confirm that it was definitely something in the kernel yesterday. But it's fixed now, so no worries. regards, dan carpenter