Re: [PATCH 9/9] rust: only link the Rust part of the code into devices

Turns out these last two patches only work with unreleased Meson. I will
put everything into a testable series once 1.10 is out (should be soon,
it's already at rc2).

Paolo

Il gio 27 nov 2025, 14:20 Paolo Bonzini <[email protected]> ha scritto:

> Do not include libqemuutil in the device crates for the same
> reason as in the previous commit.  Static libraries like qemuutil
> are sensitive to their position on the command line and rustc does not
> always get it right.
>
> If rustc places the library too early on the command line, the stubs
> are included in the final link product, which results in duplicate
> symbols.
>
> Signed-off-by: Paolo Bonzini <[email protected]>
> ---
>  rust/hw/char/pl011/meson.build | 18 ++++++++++--------
>  rust/hw/timer/hpet/meson.build | 16 ++++++++--------
>  2 files changed, 18 insertions(+), 16 deletions(-)
>
> diff --git a/rust/hw/char/pl011/meson.build
> b/rust/hw/char/pl011/meson.build
> index 33b91f21911..9c0e8290e9a 100644
> --- a/rust/hw/char/pl011/meson.build
> +++ b/rust/hw/char/pl011/meson.build
> @@ -28,20 +28,22 @@ _libpl011_rs = static_library(
>    ),
>    override_options: ['rust_std=2021', 'build.rust_std=2021'],
>    rust_abi: 'rust',
> +  link_with: [
> +    _util_rs,
> +    _migration_rs,
> +    _bql_rs,
> +    _qom_rs,
> +    _chardev_rs,
> +    _system_rs,
> +    _hwcore_rs,
> +    _trace_rs
> +  ],
>    dependencies: [
>      bilge_rs,
>      bilge_impl_rs,
>      bits_rs,
>      common_rs,
>      glib_sys_rs,
> -    util_rs,
> -    migration_rs,
> -    bql_rs,
> -    qom_rs,
> -    chardev_rs,
> -    system_rs,
> -    hwcore_rs,
> -    trace_rs
>    ],
>  )
>
> diff --git a/rust/hw/timer/hpet/meson.build
> b/rust/hw/timer/hpet/meson.build
> index bb64b96672e..7eb758ae347 100644
> --- a/rust/hw/timer/hpet/meson.build
> +++ b/rust/hw/timer/hpet/meson.build
> @@ -3,15 +3,15 @@ _libhpet_rs = static_library(
>    files('src/lib.rs'),
>    override_options: ['rust_std=2021', 'build.rust_std=2021'],
>    rust_abi: 'rust',
> -  dependencies: [
> -    common_rs,
> -    util_rs,
> -    migration_rs,
> -    bql_rs,
> -    qom_rs,
> -    system_rs,
> -    hwcore_rs,
> +  link_with: [
> +    _util_rs,
> +    _migration_rs,
> +    _bql_rs,
> +    _qom_rs,
> +    _system_rs,
> +    _hwcore_rs,
>    ],
> +  dependencies: [common_rs],
>  )
>
>  rust_devices_ss.add(when: 'CONFIG_X_HPET_RUST', if_true:
> [declare_dependency(
> --
> 2.51.1
>