data_smart: Cache the fact a variable accesses another even if its unset

If a variable references another but it isn't set at present, the
reference wasn't stored. It really should be marked as a reference
and the higher level dependency code can handle as appropriate.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/lib/bb/data_smart.py b/lib/bb/data_smart.py
index 054b5cbebfbc36e92b547dda4833726892346eea..79bf3310828328b9abeebe9023adabf105e52cae 100644 (file)
--- a/lib/bb/data_smart.py
+++ b/lib/bb/data_smart.py
@@ -100,8 +100,8 @@ class VariableParse:
                 self.execs |= varparse.execs
                 return varparse.value
             var = self.d.getVar(key, True)
+            self.references.add(key)
             if var is not None:
-                self.references.add(key)
                 return var
             else:
                 return match.group()