Is there a policy regarding library dependencies/conflicts?
eg. xlib64mesa-glu conflicts with xlibmesa3-glu.
This means that it's impossible to have both of these packages loaded,
so you can't mix 32/64bit apps that use it.
There's a similar problem with lib64tcl8.4 - in this case there's no
libtcl8.4 (it used to be in the main tcl package) so you can't use any
apps that require it.
Presumably there's a standard way that dpkg-buildpackage is supposed to
handle this... A look around google mentioned the 'Package64' directive
but that's not working... I was going to start on getting SDL packaged
but there's no documentation I can find about the 64bit extensions (eg.
how do you tell it to build libraries twice and create two differently
named arch .debs?).