Dangling appends do not stop builds

The module affected

Any Oniro build.

What is the action to reproduce the bug?

Create a bbappend that does not have a corresponding .bb file.

What is the result you see?

Build doesn't error when dangling bbappends are found.

What is the result you expect?

Build should error when dangling bbappends are found.

Frequency?

Always.

Tested version

Oniro current/kirkstone.

Do you know any workaround of this issue?

This can be handled through BB_DANGLINGAPPENDS_WARNONLY.

Do you have a fix for this issue?

Not yet.