Re: [PATCH] rust: fix bindgen build error with fstrict-flex-arrays

From: Miguel Ojeda
Date: Tue Aug 15 2023 - 08:51:08 EST


On Tue, Aug 15, 2023 at 2:44 PM Andrea Righi <andrea.righi@xxxxxxxxxxxxx> wrote:
>
> Oh yes, indeed! I'm using clang/libclang-14 with gcc-13, if I switch to
> clang-15 everything seems fine, so I can simply move to this version.

Thanks for confirming!

> The combo gcc-13 + libclang-15 seems to work in my case, instead with
> libclang-16 I get this:
>
> BINDGEN rust/bindings/bindings_generated.rs
> thread 'main' panicked at '"ftrace_branch_data_union_(anonymous_at__/_/include/linux/compiler_types_h_146_2)" is not a valid Ident', /build/rust-bindgen-0.56-DgAMvF/rust-bindgen-0.56-0.56.0/debian/vendor/proc-macro2-1.0.24/src/fallback.rs:693:9

Yeah, this is fixed in `bindgen` 0.62.0. We have upgraded in
`rust-next`, commit 08ab786556ff ("rust: bindgen: upgrade to 0.65.1").

Cheers,
Miguel