migrating a 32bit system(8.1) to 64bit without complete reinstall

Hi,

it might have been discussed before, if so just point me there.

Is there a way to migrate a 32bit 8.1 (i386) to a 64bit 8.1 (or 8.2 of course) (amd64) without doing a complete reinstall? If yes, would it be painless enough, to make it an alternative to a clean slate reinstall?

Installing as i386 in the first place was a stupid oversight on my behalf.

Thanks
Roddi
 
What if you edit your /etc/make.conf for the target architecture/CPU ?
Then build and install the world and a 64-bit kernel.
 
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