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Tue, 03 Jun 2025 14:45:33 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEwXvw6zLCleAHI3ZvGYVsikJagv36PEfhEkTdmBvGUhRUceKvd/WjwAZMUEZ9lPnJYiNihug== X-Received: by 2002:a05:6000:22c2:b0:3a4:e4ee:4c7b with SMTP id ffacd0b85a97d-3a51d91c1e4mr254956f8f.15.1748987132564; Tue, 03 Jun 2025 14:45:32 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Bernhard Beschow Subject: [PULL 03/16] rust: use "objects" for Rust executables as well Date: Tue, 3 Jun 2025 23:45:10 +0200 Message-ID: <20250603214523.131185-4-pbonzini@redhat.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250603214523.131185-1-pbonzini@redhat.com> References: <20250603214523.131185-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.128, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1748987409171116600 Content-Type: text/plain; charset="utf-8" libqemuutil is not meant be linked as a whole; if modules are enabled, doing so results in undefined symbols (corresponding to QMP commands) in rust/qemu-api/rust-qemu-api-integration. Support for "objects" in Rust executables is available in Meson 1.8.0; use = it to switching to the same dependencies that C targets use: link_with for libqemuutil, and objects for everything else. Reported-by: Bernhard Beschow Signed-off-by: Paolo Bonzini --- docs/devel/rust.rst | 2 -- rust/meson.build | 2 ++ rust/qemu-api/meson.build | 27 +++++---------------------- 3 files changed, 7 insertions(+), 24 deletions(-) diff --git a/docs/devel/rust.rst b/docs/devel/rust.rst index 171d908e0b0..11328c05b45 100644 --- a/docs/devel/rust.rst +++ b/docs/devel/rust.rst @@ -66,8 +66,6 @@ be run via ``meson test`` or ``make``:: =20 make check-rust =20 -Building Rust code with ``--enable-modules`` is not supported yet. - Supported tools ''''''''''''''' =20 diff --git a/rust/meson.build b/rust/meson.build index 1f0dcce7d04..801f4374dfa 100644 --- a/rust/meson.build +++ b/rust/meson.build @@ -14,6 +14,8 @@ quote_rs_native =3D dependency('quote-1-rs', native: true) syn_rs_native =3D dependency('syn-2-rs', native: true) proc_macro2_rs_native =3D dependency('proc-macro2-1-rs', native: true) =20 +qemuutil_rs =3D qemuutil.partial_dependency(link_args: true, links: true) + subdir('qemu-api-macros') subdir('qemu-api') =20 diff --git a/rust/qemu-api/meson.build b/rust/qemu-api/meson.build index 1ea86b8bbf1..62068352b0b 100644 --- a/rust/qemu-api/meson.build +++ b/rust/qemu-api/meson.build @@ -35,32 +35,15 @@ _qemu_api_rs =3D static_library( override_options: ['rust_std=3D2021', 'build.rust_std=3D2021'], rust_abi: 'rust', rust_args: _qemu_api_cfg, - dependencies: [libc_rs, qemu_api_macros], + dependencies: [libc_rs, qemu_api_macros, qemuutil_rs, + qom, hwcore, chardev, migration], ) =20 rust.test('rust-qemu-api-tests', _qemu_api_rs, suite: ['unit', 'rust']) =20 -qemu_api =3D declare_dependency(link_with: _qemu_api_rs) - -# Rust executables do not support objects, so add an intermediate step. -rust_qemu_api_objs =3D static_library( - 'rust_qemu_api_objs', - objects: [libqom.extract_all_objects(recursive: false), - libhwcore.extract_all_objects(recursive: false), - libchardev.extract_all_objects(recursive: false), - libcrypto.extract_all_objects(recursive: false), - libauthz.extract_all_objects(recursive: false), - libio.extract_all_objects(recursive: false), - libmigration.extract_all_objects(recursive: false)]) -rust_qemu_api_deps =3D declare_dependency( - dependencies: [ - qom_ss.dependencies(), - chardev_ss.dependencies(), - crypto_ss.dependencies(), - authz_ss.dependencies(), - io_ss.dependencies()], - link_whole: [rust_qemu_api_objs, libqemuutil]) +qemu_api =3D declare_dependency(link_with: [_qemu_api_rs], + dependencies: [qemu_api_macros, qom, hwcore, chardev, migration]) =20 test('rust-qemu-api-integration', executable( @@ -69,7 +52,7 @@ test('rust-qemu-api-integration', override_options: ['rust_std=3D2021', 'build.rust_std=3D2021'], rust_args: ['--test'], install: false, - dependencies: [qemu_api, qemu_api_macros, rust_qemu_api_deps]), + dependencies: [qemu_api]), args: [ '--test', '--test-threads', '1', '--format', 'pretty', --=20 2.49.0