compilers/rust: make use the fact we have an Environment to cleanup

This adds a second stage initialization, which allows us to use options
for setting attributes on the compiler. This is called during the detect
phase, so the Compiler is never used in a partially initialized state.

1 files changed, 3 insertions, 0 deletions

diff --git a/mesonbuild/compilers/compilers.py b/mesonbuild/compilers/compilers.py
index 6b6dade7d..c09f5057a 100644
--- a/mesonbuild/compilers/compilers.py
+++ b/mesonbuild/compilers/compilers.py
@@ -496,6 +496,9 @@ class Compiler(HoldableObject, metaclass=abc.ABCMeta):
         # see :class:`Interpreter._redetect_machines()`
         return self.environment.machines[self.for_machine]
 
+    def init_from_options(self) -> None:
+        """Initializer compiler attributes that require options to be set."""
+
     def __repr__(self) -> str:
         repr_str = "<{0}: v{1} `{2}`>"
         return repr_str.format(self.__class__.__name__, self.version,