Read here
Best said by Peter Valchev:
Upgrading is easiest through a snapshot, since the upgrade by source instructions look a bit tricky.
Best said by Peter Valchev:
For everyone following -current, notice i386 switched to gcc3 today.
The upgrade-minifaq has been updated with instructions:
http://openbsd.org/faq/upgrade-minifaq.html#3.6.5
WARNING, this is a FLAG DAY, so you have to either exert special care
and do things by hand as above, or wait for snapshots to appear.
Specifically, it will be best in your favour to rebuild/reinstall all
your packages from scratch as well.
Upgrading is easiest through a snapshot, since the upgrade by source instructions look a bit tricky.