[46331] trunk/dports/mail/postfix/Portfile

[Olivier Le Floch]

> Revision: 46331
>          http://trac.macports.org/changeset/46331
> Author:   ryandesign at macports.org
> Date:     2009-02-02 13:48:21 -0800 (Mon, 02 Feb 2009)
> Log Message:
> -----------
> postfix: allow mysql5-devel to satisfy the mysql5 dependency

> -    depends_lib-append port:mysql5
> +    depends_lib-append path:bin/mysql_config5:mysql5

I have a question regarding this depends_lib syntax : how does  
macports decide which port to install to satisfy this dependency if a  
port providing mysql5 is not already installed ?