Re: [RFC PATCH 01/11] rust: qemu_api: do not disable lints outside bindgen-generated code

[Paolo Bonzini <pbonzini@redhat.com>]

On 11/12/24 11:10, Junjie Mao wrote:
> diff --git a/meson.build b/meson.build
> index 1239f5c48c..8cea09ffe1 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -4,6 +4,7 @@ project('qemu', ['c'], meson_version: '>=1.5.0',
>           version: files('VERSION'))
> 
>   meson.add_devenv({ 'MESON_BUILD_ROOT' : meson.project_build_root() })
> +meson.add_devenv({ 'CARGO_TARGET_DIR' : meson.project_build_root() / 'cargo' })

I think I'd rather avoid using CARGO_TARGET_DIR, in case someone forgets 
he/she is in the devenv.

>   add_test_setup('quick', exclude_suites: ['slow', 'thorough'], is_default: true)
>   add_test_setup('slow', exclude_suites: ['thorough'], env: ['G_TEST_SLOW=1', 'SPEED=slow'])
> @@ -4083,7 +4084,7 @@ if have_rust
>     bindings_rs = rust.bindgen(
>       input: 'rust/wrapper.h',
>       dependencies: common_ss.all_dependencies(),
> -    output: 'bindings.rs.inc',
> +    output: 'bindings.inc.rs',

Needs a comment, but I guess it's okay.

> -    println!("cargo:rustc-env=BINDINGS_RS_INC={}", file);
> +    let out_dir = env::var("OUT_DIR").unwrap();
> +    let dest_path = format!("{}/bindings.inc.rs", out_dir);
> +    copy(&file, Path::new(&dest_path))?;

A symbolic link seems to work too.  Thanks for the tip!

Paolo