Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* first commit for Rust support
* add CI job using Fedora + Rust nightly
* fix detection of ATOMIC128 on x86_64
* fix compilation with Sphinx 8.1.0

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# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  docs: use consistent markup for footnotes
  docs: avoid footnotes consisting of just URLs
  docs: fix invalid footnote syntax
  gitlab-ci: add Rust-enabled CI job
  dockerfiles: add a Dockerfile using a nightly Rust toolchain
  meson: ensure -mcx16 is passed when detecting ATOMIC128
  meson: define qemu_isa_flags
  meson: fix machine option for x86_version
  rust: add PL011 device model
  rust: add utility procedural macro crate
  scripts/archive-source: find directory name for subprojects
  rust: add crate to expose bindings and interfaces
  meson.build: add HAVE_GLIB_WITH_ALIGNED_ALLOC flag
  .gitattributes: add Rust diff and merge attributes
  rust: add bindgen step as a meson dependency
  configure, meson: detect Rust toolchain
  build-sys: Add rust feature option
  Require meson version 1.5.0

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 31 insertions, 0 deletions

diff --git a/subprojects/packagefiles/proc-macro2-1-rs/meson.build b/subprojects/packagefiles/proc-macro2-1-rs/meson.build
new file mode 100644
index 0000000000..818ec59336
--- /dev/null
+++ b/subprojects/packagefiles/proc-macro2-1-rs/meson.build
@@ -0,0 +1,31 @@
+project('proc-macro2-1-rs', 'rust',
+  version: '1.0.84',
+  license: 'MIT OR Apache-2.0',
+  default_options: [])
+
+subproject('unicode-ident-1-rs', required: true)
+
+unicode_ident_dep = dependency('unicode-ident-1-rs', native: true)
+
+_proc_macro2_rs = static_library(
+  'proc_macro2',
+  files('src/lib.rs'),
+  gnu_symbol_visibility: 'hidden',
+  override_options: ['rust_std=2021', 'build.rust_std=2021'],
+  rust_abi: 'rust',
+  rust_args: [
+    '--cfg', 'feature="proc-macro"',
+    '--cfg', 'span_locations',
+    '--cfg', 'wrap_proc_macro',
+  ],
+  dependencies: [
+    unicode_ident_dep,
+  ],
+  native: true,
+)
+
+proc_macro2_dep = declare_dependency(
+  link_with: _proc_macro2_rs,
+)
+
+meson.override_dependency('proc-macro2-1-rs', proc_macro2_dep, native: true)