set must be selected, requested and reviewed by wiz:
PKG_OPTIONS_NONEMPTY_SETS
This is a list of names of sets of options. At
least one option from each set must be selected.
The options in each set are listed in
PKG_OPTIONS_SET.<setname>. Options from the sets
will be automatically added to PKG_SUPPORTED_OPTIONS.
option names:
PKG_OPTIONS_LEGACY_OPTS+= old:new
If PKG_DEFAULT_OPTIONS or PKG_OPTIONS.foo contains option old (or
-old) it is rewritten to new (or -new) and a warning is issued by
the supported-options-message target.
