A user cannot currently install multimedia/banshee on the XFCE desktop, because it relies on deskutils/notification-daemon, whilst XFCE uses deskutils/xfce4-notifyd, and the ports system has registered a conflict between these two ports.
deskutils/xfce4-notifyd has been modified upstream such that it no longer has any overlapping files with deskutils/notification-daemon. There is no longer a file conflict, and having both installed at the same time does not break functionality of whichever is being used by the active desktop environment.
For reference, a similar bug was previously fixed in the Mageia Linux project:
Created attachment 153220 [details]
Patch to remove conflict between deskutils/notification-daemon and deskutils/xfce4-notifyd
I've just tested this and it seems indeed that the following 3 ports can coexist:
Over to gnome@ for a second opinion.
A commit references this bug:
Date: Sun Feb 22 21:01:46 UTC 2015
New revision: 379629
xfce4-notifyd was updated to no longer conflict with notification-daemon.
There is no conflict anymore between notification-daemon and
Only notify-osd and xfce4-notification-daemon conflict with each other.
PR: 197851 (based on)
Submitted by: Ben Woods <email@example.com>
Reviewed by: maintainer (ehaupt@)