for parallel building and run bundled self-tests after building.
- Patch mail/spamprobe to make it work with libpbl on amd64.
PR: 130236
Submitted by: Kenji Rikitake <kenji.rikitake@acm.org>
Patch by: mi
Approved by: Zach Thompson <hideo@lastamericanempire.com> (maintainer)