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subprojects: add the foreign crate

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This is a cleaned up and separated version of the patches at
https://lore.kernel.org/all/20240701145853.1394967-4-pbonzini@redhat.com/
https://lore.kernel.org/all/20240701145853.1394967-5-pbonzini@redhat.com/

Its first user will be the Error bindings; for example a QEMU Error ** can be
converted to a Rust Option using

     unsafe { Option::<Error>::from_foreign(c_error) }

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2025-05-23 17:59:52 +02:00
parent a95ad49bbf
commit bfe0f6b02a
7 changed files with 41 additions and 3 deletions
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2
rust/meson.build
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@ -1,11 +1,13 @@
subproject('anyhow-1-rs', required: true)
subproject('bilge-0.2-rs', required: true)
subproject('bilge-impl-0.2-rs', required: true)
subproject('foreign-0.3-rs', required: true)
subproject('libc-0.2-rs', required: true)
anyhow_rs = dependency('anyhow-1-rs')
bilge_rs = dependency('bilge-0.2-rs')
bilge_impl_rs = dependency('bilge-impl-0.2-rs')
foreign_rs = dependency('foreign-0.3-rs')
libc_rs = dependency('libc-0.2-rs')
subproject('proc-macro2-1-rs', required: true)

2
rust/qemu-api/meson.build
View file

@ -35,7 +35,7 @@ _qemu_api_rs = static_library(
override_options: ['rust_std=2021', 'build.rust_std=2021'],
rust_abi: 'rust',
rust_args: _qemu_api_cfg,
dependencies: [anyhow_rs, libc_rs, qemu_api_macros, qemuutil_rs,
dependencies: [anyhow_rs, foreign_rs, libc_rs, qemu_api_macros, qemuutil_rs,
qom, hwcore, chardev, migration],
)