On Mon, 2 Oct 2017, Mojca Miklavec wrote:
Some ports may be installed as build dependencies. Or some ports you installed now need different dependencies than they used to. Macports won't auto-notify you when some dependencies are no longer needed, so ports may accumulate over time.
Someone (I've forgotten who) pointed out is was likely that I installed them before MacPorts honoured the "requested" flag (I've had this MacBook for quite a few years).
Oh well, I guess I get to go through the list... -- Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."