A new version is available. Update the port itself and bump dependent ports.
Created attachment 175236 [details] update to version 0.1.1
Apologies for the late reply I'm in a situation that leaves little time to maintain this package. If someone is willing to step in a package maintainer of this package I'll be happy to let them adopt this package :-)
A commit references this bug: Author: bsam Date: Tue Oct 11 21:56:59 UTC 2016 New revision: 423801 URL: https://svnweb.freebsd.org/changeset/ports/423801 Log: devel/libserialport: Update to version 0.1.1. It is a drop-in replacement of the previous vesion, no need to rebuild dependent ports. PR: 213053 Submitted by: bsam (me) Changes: head/devel/libserialport/Makefile head/devel/libserialport/distinfo head/devel/libserialport/pkg-plist
Committed, Thanks! :-)