From c11eb869958462dff67a020e2835c193edba56a4 Mon Sep 17 00:00:00 2001
From: Dylan Baker <dylan@pnwbakers.com>
Date: Tue, 10 Aug 2021 14:27:47 -0700
Subject: [PATCH] build: add forward delcarations to CommandBase class

It would probably be better if CommandBase had an initializer so it
could set the depend_files and dependencies attributes itself, but this
will make mypy happier.
---
 mesonbuild/build.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index 8ecb25932..137198517 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -2226,6 +2226,11 @@ class BothLibraries(SecondLevelHolder):
         raise MesonBugException(f'self._preferred_library == "{self._preferred_library}" is neither "shared" nor "static".')
 
 class CommandBase:
+
+    depend_files: T.List[File]
+    dependencies: T.List[T.Union[BuildTarget, 'CustomTarget']]
+    subproject: str
+
     def flatten_command(self, cmd):
         cmd = listify(cmd)
         final_cmd = []