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=...").
Packages Collection.
The Perl 5 module Readonly provides a facility for creating
non-modifiable scalars, arrays, and hashes. This facility also
overcomes the limitations of the Perl built-in mechanism (the "use
constant" pragma) to create constant scalars and lists.
