https://forums.freebsd.org/threads/portmaster-r-png-failed-hared-object-libpng-so-6-not-found.32517/
portmaster -r png- Failed: hared object "libpng.so.6" not found | The FreeBSD Forums
I followed /usr/ports/UPDATING, and did portmaster -r png- Then I got this: /Cannot load module /usr/local/lib/gtk-2.0/2.10.0/immodules/im-ibus.so...
not foundportmasterpngfailedhared