License question

[Lawrence Velázquez]

On Jan 2, 2012, at 5:24 p.m., Mark Brethen wrote:

> Looking at the pure Portfile, In don't quite follow:
> 
> if {${name} == ${subport}} {
> 
> }
> 
> Is everything in-between the curly brackets read only if user issues 'port install pure'?

Yes. Another common idiom is

> if {${name} != ${subport}} {
>     <lots of stuff>
> }

where the port itself is treated as a stub port that just depends on one of its subports, and the meat of the port only takes effect when a subport is selected. There are a couple of decent examples linked at the bottom of this MacPorts wiki page: https://trac.macports.org/wiki/Python

vq