cargo: Reconfigure when any Cargo.toml is modified

Author: xclaesse

mesonbuild/cargo/interpreter.py

@@ -91,6 +91,9 @@ def __init__(self, env: Environment) -> None:
         # Rustc's config
         self.cfgs = self._get_cfgs()
 
+    def get_build_def_files(self) -> T.List[str]:
+        return [os.path.join(subdir, 'Cargo.toml') for subdir in self.manifests.keys()]
+
     def interpret(self, subdir: str, project_root: T.Optional[str] = None) -> mparser.CodeBlockNode:
         manifest = self._load_manifest(subdir)
         filename = os.path.join(self.environment.source_dir, subdir, 'Cargo.toml')

mesonbuild/interpreter/interpreter.py

@@ -524,6 +524,8 @@ def handle_meson_version_from_ast(self) -> None:
                     self.handle_meson_version(val.value, val)
 
     def get_build_def_files(self) -> mesonlib.OrderedSet[str]:
+        if self.environment.cargo:
+            self.build_def_files.update(self.environment.cargo.get_build_def_files())
         return self.build_def_files
 
     def add_build_def_file(self, f: mesonlib.FileOrString) -> None: