Get supported_archs from command line

[Joshua Root]

On 2016-8-3 17:48 , Ryan Schmidt wrote:
> I'd like to know a port's supported_archs from a command line script.
>
> "port info" doesn't appear to have a flag to display it.
>
> This Tcl script shows how to get the list of subports from a portfile:
>
> https://trac.macports.org/browser/contrib/mp-buildbot/tools/subports.tcl
>
> However it does this by using mportinfo, and it doesn't look like mportinfo contains information on the supported archs.
>
> Any ideas?

You can use _mportkey to get the value of any variable from the Portfile 
interpreter.

- Josh