Problems found with existing distfiles:
distfiles/D6.data.ros.gz
distfiles/cstore0.2.tar.gz
distfiles/data4.tar.gz
distfiles/sphinx-2.2.7-release.tar.gz
No changes made to the cstore or mariadb55-client distinfo files.
Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden). All existing
SHA1 digests retained for now as an audit trail.
* Use lang/ruby/gem.mk instead of misc/rubygems/rubygem.mk.
* Fix dependency according to gemspec.
* Remove default value of GEM_BUILD.
Official changes are unknown.
* initial @stmt_name make unique.
* add DBI::ForcedError class.