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GET /api/patches/2174145/?format=api
{ "id": 2174145, "url": "http://patchwork.ozlabs.org/api/patches/2174145/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20251215075000.335043-8-pbonzini@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20251215075000.335043-8-pbonzini@redhat.com>", "list_archive_url": null, "date": "2025-12-15T07:49:56", "name": "[07/11] meson: let Meson handle mixed-language linking of Rust and C objects", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b10abe3a6c7f6b0f77dc38bac5f1ad06cf506764", "submitter": { "id": 2701, "url": "http://patchwork.ozlabs.org/api/people/2701/?format=api", "name": "Paolo Bonzini", "email": "pbonzini@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20251215075000.335043-8-pbonzini@redhat.com/mbox/", "series": [ { "id": 485356, "url": "http://patchwork.ozlabs.org/api/series/485356/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=485356", "date": "2025-12-15T07:49:50", "name": "First batch of Meson/Rust build system changes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/485356/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2174145/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2174145/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=cgFS6HPz;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=google header.b=nxk3ved4;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Use that to eliminate the staticlib and allow\ndynamic linking with libstd (also introduced by Meson 1.9.0, but not\nfor staticlib crates due to lack of support in rustc).\n\nThe main() function is still provided by C, which is possible by\ndeclaring the main source file of the Rust executable (which is\nstill created by scripts/rust/rust_root_crate.sh) as #![no_main].\n\nSigned-off-by: Paolo Bonzini <pbonzini@redhat.com>\n---\n meson.build | 19 ++++++++-----------\n scripts/rust/rust_root_crate.sh | 1 +\n 2 files changed, 9 insertions(+), 11 deletions(-)", "diff": "diff --git a/meson.build b/meson.build\nindex e2de3832ac3..3790cf15f51 100644\n--- a/meson.build\n+++ b/meson.build\n@@ -4352,25 +4352,22 @@ foreach target : target_dirs\n arch_srcs += target_specific.sources()\n arch_deps += target_specific.dependencies()\n \n+ main_rs = []\n+ crates = []\n if have_rust and target_type == 'system'\n target_rust = rust_devices_ss.apply(config_target, strict: false)\n- crates = []\n+ arch_deps += target_rust.dependencies()\n foreach dep : target_rust.dependencies()\n crates += dep.get_variable('crate')\n endforeach\n if crates.length() > 0\n- rlib_rs = custom_target('rust_' + target.underscorify() + '.rs',\n+ main_rs = custom_target('rust_' + target.underscorify() + '.rs',\n output: 'rust_' + target.underscorify() + '.rs',\n command: [rust_root_crate, crates],\n capture: true,\n build_by_default: true,\n build_always_stale: true)\n- rlib = static_library('rust_' + target.underscorify(),\n- structured_sources([], {'.': rlib_rs}),\n- dependencies: target_rust.dependencies(),\n- override_options: ['rust_std=2021', 'build.rust_std=2021'],\n- rust_abi: 'c')\n- arch_deps += declare_dependency(link_whole: [rlib])\n+ main_rs = structured_sources(main_rs)\n endif\n endif\n \n@@ -4394,14 +4391,14 @@ foreach target : target_dirs\n execs = [{\n 'name': 'qemu-system-' + target_name,\n 'win_subsystem': 'console',\n- 'sources': files('system/main.c'),\n+ 'sources': [main_rs, files('system/main.c')],\n 'dependencies': [sdl]\n }]\n if host_os == 'windows' and (sdl.found() or gtk.found())\n execs += [{\n 'name': 'qemu-system-' + target_name + 'w',\n 'win_subsystem': 'windows',\n- 'sources': files('system/main.c'),\n+ 'sources': [main_rs, files('system/main.c')],\n 'dependencies': [sdl]\n }]\n endif\n@@ -4410,7 +4407,7 @@ foreach target : target_dirs\n execs += [{\n 'name': 'qemu-fuzz-' + target_name,\n 'win_subsystem': 'console',\n- 'sources': specific_fuzz.sources(),\n+ 'sources': [main_rs, specific_fuzz.sources()],\n 'dependencies': specific_fuzz.dependencies(),\n }]\n endif\ndiff --git a/scripts/rust/rust_root_crate.sh b/scripts/rust/rust_root_crate.sh\nindex f05b8d02108..13ef7c1be5d 100755\n--- a/scripts/rust/rust_root_crate.sh\n+++ b/scripts/rust/rust_root_crate.sh\n@@ -6,6 +6,7 @@ cat <<EOF\n // @generated\n // This file is autogenerated by scripts/rust/rust_root_crate.sh\n \n+#![no_main]\n EOF\n \n for crate in $*; do\n", "prefixes": [ "07/11" ] }