Finding a port's dependency which requires universal?

[Craig Treleaven]

At 10:09 PM +0200 4/18/13, MK-MacPorts at techno.ms wrote:
>On Apr 18, 2013, at 9:28 PM, Ryan Schmidt wrote:
>>>  Still, I have now tons of unnecessarily 
>>>universal ports in my installationŠ :-(((
>>  Well then uninstall them.
>How do I find out which are actually needed in 
>their universal variant for other ports than for 
>previously installed wxwidgets.

Maybe:

port -v installed |grep 386 |grep active

Craig