xv and png

[Ryan Schmidt]

On Apr 5, 2008, at 13:06, Rainer Müller wrote:

> Ryan Schmidt wrote:
>
>> Well, that is contrary to the FAQ, which explains why MacPorts  
>> uses  its own libraries in most cases. libpng is not a library for  
>> which we  should be making an exception to this rule.
>
> We have a lot of dependencies like this. That's why we have this  
> lib: thing at all. If the maintainer wants to manage this, it is ok  
> to use it. But there is no general rule to use stuff from outside  
> or 'overwrite' dependencies.

Then we have a lot of ports that are in violation of this guideline  
and should be updated. Using the "lib:" style of dependency used to  
be preferred. Now it is not. But since half of our ports are not  
maintained, many ports have not received the necessary love to change  
this and many other things.