port revision depndency

[Joshua Root]

Emmanuel Hainry wrote:
> Citando Joshua Root :
>> Ian Grant wrote:
>>> Dear List,
>>>
>>> Is there a way to specify a port is dependent on a certain revision (and version!) of another port?
>> Sadly, no. I forget if there's a ticket specifically for this, but it's
>> definitely on the to-do list along with
>> <http://trac.macports.org/ticket/126>.
> 
> It would also imply being able to install a certain revision of a port.
> At the moment, you can only install the "current" version.
> 
> I'm not sure the priority is high as the workaround (if a port depends
> on a specific old version, make a port for this old version and make the
> dependent explicitly link with that version) works better (at least
> simpler) than having each port install in a versioned prefix and virtual
> environments created for each dependent...

The idea is more that if you install A and a too-old version of its
dependency B is already installed, port would automatically upgrade B first.

- Josh