Building 64 & 32 bit wine on Ubuntu 12.10?

[Dan Kegel]

What's the standard procedure for building both 32 and 64
bit wine together on Ubuntu 12.10?

Sadly, it seems you can't install both 32 and 64 bit development
files at the same time.
And trying to use a 32 bit chroot is awkward because wine's build
system tries to use the 64 bit makedep from inside
the 32 bit chroot (which fails because the 64 bit shared
libraries aren't present).