Bug 1241022 - Remove code handling affected_tiers. r=gps

python/mozbuild/mozbuild/backend/recursivemake.py

@@ -921,11 +921,6 @@ class RecursiveMakeBackend(CommonBackend):
         # registered or not.
         self._traversal.add(backend_file.relobjdir)
 
-        affected_tiers = set(obj.affected_tiers)
-
-        for tier in set(self._no_skip.keys()) & affected_tiers:
-            self._no_skip[tier].add(backend_file.relobjdir)
-
     def _process_defines(self, obj, backend_file, which='DEFINES'):
         """Output the DEFINES rules to the given backend file."""
         defines = list(obj.get_defines())

python/mozbuild/mozbuild/frontend/context.py

@@ -235,13 +235,6 @@ class Context(KeyedDefaultDict):
                 update[key] = value
         KeyedDefaultDict.update(self, update)
 
-    def get_affected_tiers(self):
-        """Returns the list of tiers affected by the variables set in the
-        context.
-        """
-        tiers = (VARIABLES[key][3] for key in self if key in VARIABLES)
-        return set(tier for tier in tiers if tier)
-
 
 class TemplateContext(Context):
     def __init__(self, template=None, allowed_variables={}, config=None):

python/mozbuild/mozbuild/frontend/emitter.py

@@ -1309,7 +1309,6 @@ class TreeMetadataEmitter(LoggingMixin):
     def _emit_directory_traversal_from_context(self, context):
         o = DirectoryTraversal(context)
         o.dirs = context.get('DIRS', [])
-        o.affected_tiers = context.get_affected_tiers()
 
         # Some paths have a subconfigure, yet also have a moz.build. Those
         # shouldn't end up in self._external_paths.