build: Allow `Dict[OptionKey, str` in parse_overrides

We really want to move all of this option handling into the interpreter
through the typed_kwargs, this is the first step to that

1 files changed, 8 insertions, 1 deletions

diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index 576bb03..e5900ac 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -611,8 +611,15 @@ class Target(HoldableObject):
 
     @staticmethod
     def parse_overrides(kwargs: T.Dict[str, T.Any]) -> T.Dict[OptionKey, str]:
+        opts =  kwargs.get('override_options', [])
+
+        # In this case we hav ean already parsed and ready to go dictionary
+        # provided by typed_kwargs
+        if isinstance(opts, dict):
+            return T.cast(T.Dict[OptionKey, str], opts)
+
         result: T.Dict[OptionKey, str] = {}
-        overrides = stringlistify(kwargs.get('override_options', []))
+        overrides = stringlistify(opts)
         for o in overrides:
             if '=' not in o:
                 raise InvalidArguments('Overrides must be of form "key=value"')