>
> Here's the list, with some details below.
>
> archivers/innoextract
> cad/kicad
> cad/librecad
> cad/openscad
> cad/prusaslicer
> comms/gnuradio
> comms/sigrok/pulseview
> databases/mongodb/36
> databases/mongodb/44
> emulators/citra
> emulators/mupen64plus/video-glide64mk2
> games/0ad/base
> games/fifengine
> games/freeorion
> games/openmw
> games/vcmi
> games/wesnoth
> geo/osrm-backend
> graphics/hugin
> graphics/orthanc/server
> math/rstudio
> net/fastnetmon
> net/i2pd
> net/icinga/core2
> net/kea
> net/litecoin
> productivity/gnucash
> productivity/ledger
> textproc/luceneplusplus
> x11/cegui

As a user of i2pd I really don't want it and other stuff to break.
Maybe add flavors to boost, -compat for the would-be-broken ports and
-latest for everything else?