to trigger/signal a rebuild for the transition 5.8.8 -> 5.10.0.
The list of packages is computed by finding all packages which end
up having either of PERL5_USE_PACKLIST, BUILDLINK_API_DEPENDS.perl,
or PERL5_PACKLIST defined in their make setup (tested via
"make show-vars VARNAMES=...").
Search::QueryParser::SQL is a subclass of Search::QueryParser.
Chiefly it extends the unparse() method to stringify free-text
search queries as valid SQL WHERE clauses.
The idea is to allow you to treat your database like a free-text
search index, when it really isn't.