[Nottingham] Gentoo convert 32bits system to 64bits?

[Paul Housley]

>I've transplanted a 32bits Gentoo system from some very old hardware

>onto new 64bits hardware. So... Can that now be recompiled for the

>64bits?

This is a question I've been through when I upgraded to 64bit.
The Gentoo web site says that you cannot compile a 64bit system from a 
32bit system.  You need to start which the amd64 installation disk.
See: http://www.gentoo.org/doc/en/gentoo-amd64-faq.xml