subprojects: Pull in the Rust xml crate

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41841>

.gitlab-ci/meson/build.sh

@@ -175,6 +175,7 @@ meson_subprojects=(
   thiserror-impl-2-rs
   ucd-trie-0.1-rs
   unicode-ident-1-rs
+  xml-rs
   zerocopy-derive-0.8-rs
   ${FORCE_FALLBACK_FOR:-}
 )

subprojects/packagefiles/xml-rs/meson.build

@@ -0,0 +1,25 @@
+project(
+  'xml',
+  'rust',
+  version : '1.2.1',
+  license : 'MIT',
+  meson_version : '>= 1.7.0',
+)
+
+rc = meson.get_compiler('rust')
+
+if rc.version().version_compare('< 1.71')
+  error('Minimum rustc supported version is 1.71')
+endif
+
+lib = static_library(
+  'xml',
+  'src/lib.rs',
+  override_options : ['rust_std=2021', 'build.rust_std=2021', 'warning_level=0'],
+  rust_abi : 'rust',
+  native : true,
+)
+
+dep_xml_rs = declare_dependency(
+  link_with : [lib],
+)

subprojects/xml-rs.wrap

@@ -0,0 +1,6 @@
+[wrap-file]
+directory = xml-1.2.1
+source_url = https://crates.io/api/v1/crates/xml/1.2.1/download
+source_filename = xml-1.2.1.tar.gz
+source_hash = b8aa498d22c9bbaf482329839bc5620c46be275a19a812e9a22a2b07529a642a
+patch_directory = xml-rs