[PATCH v3 4/4] lib: oe: Drop backfill support

Paul Barker
2026-04-01T17:42:15Z

We have removed DISTRO_FEATURES_BACKFILL and MACHINE_FEATURES_BACKFILL,
so we no longer need the features_backfill() function.

Signed-off-by: Paul Barker <paul@pbarker.dev>
---
meta/lib/oe/utils.py | 21 ---------------------
1 file changed, 21 deletions(-)

diff --git a/meta/lib/oe/utils.py b/meta/lib/oe/utils.py
index 52f2f1bd55e0..5c722d230842 100644
--- a/meta/lib/oe/utils.py
+++ b/meta/lib/oe/utils.py
@@ -137,27 +137,6 @@ def inherits(d, *classes):
"""Return True if the metadata inherits any of the specified classes"""
return any(bb.data.inherits_class(cls, d) for cls in classes)

-def features_backfill(var,d):
- # This construct allows the addition of new features to variable specified
- # as var
- # Example for var = "DISTRO_FEATURES"
- # This construct allows the addition of new features to DISTRO_FEATURES
- # that if not present would disable existing functionality, without
- # disturbing distributions that have already set DISTRO_FEATURES.
- # Distributions wanting to elide a value in DISTRO_FEATURES_BACKFILL should
- # add the feature to DISTRO_FEATURES_BACKFILL_CONSIDERED
- features = (d.getVar(var) or "").split()
- backfill = (d.getVar(var+"_BACKFILL") or "").split()
- considered = (d.getVar(var+"_BACKFILL_CONSIDERED") or "").split()
-
- addfeatures = []
- for feature in backfill:
- if feature not in features and feature not in considered:
- addfeatures.append(feature)
-
- if addfeatures:
- d.appendVar(var, " " + " ".join(addfeatures))
-
def filter_default_features(varname, d):
# Process default features to exclude features which the user has opted out
# of. The result is appended to the target variable (e.g. DISTRO_FEATURES

--
2.43.0