Re: [PATCH] rust: add --rust-target option for bindgen

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 6/2/25 12:15, Paolo Bonzini wrote:
> Without it, recent bindgen will give an error
> 
>     error: extern block cannot be declared unsafe
> 
> if rustc is not new enough to support the "unsafe extern" construct.
> 
> Cc: qemu-rust@nongnu.org
> Cc: qemu-stable@nongnu.org
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>   meson.build | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/meson.build b/meson.build
> index 2c9ac9cfe1e..131b2225ab6 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -4054,6 +4054,9 @@ if have_rust
>         bindgen_args += ['--formatter', 'none']
>       endif
>     endif
> +  if bindgen.version().version_compare('>=0.66.0')
> +    bindgen_args += ['--rust-target', '1.59']
> +  endif
>     if bindgen.version().version_compare('<0.61.0')
>       # default in 0.61+
>       bindgen_args += ['--size_t-is-usize']

Should this be merged directly on master as build-fix?