From 41c039187b27989fb6bd5f4ba0584ae14fcc0345 Mon Sep 17 00:00:00 2001
From: Ulf Magnusson <ulfalizer@gmail.com>
Date: Sat, 8 Dec 2012 21:10:34 +0100
Subject: Add _get_dependent() note.

---
 kconfiglib.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kconfiglib.py b/kconfiglib.py
index 1337811..1000be9 100644
--- a/kconfiglib.py
+++ b/kconfiglib.py
@@ -2937,6 +2937,10 @@ class Symbol(Item, _HasVisibility):
         if self.cached_deps is not None:
             return self.cached_deps
 
+        # TODO: This still recalculates a lot. Should use a recursive
+        # _get_dependent() call to make best use of caching. Make sure to get
+        # it right w.r.t. choices.
+
         # Calculate using a set to avoid duplicates in the result
         res = set()
 
-- 
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