License question

[Mark Brethen]

How do subports work? e.g. Pure has the subport pure-mode.el, an emacs extension file. 

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-Mark

On Jan 1, 2012, at 8:28 PM, Ryan Schmidt <ryandesign at macports.org> wrote:

> 
> On Jan 1, 2012, at 20:10, Mark Brethen wrote:
> 
>> Can you cite an example of a sub-port?
> 
> Subports are especially useful when you have multiple pieces of software to be built out of a single distfile, that a user might want to install independently of one another. Examples of this kind of subport:
> 
> The pure port has a subport:
> 
> https://trac.macports.org/browser/trunk/dports/lang/pure/Portfile
> 
> The php54 port I'm developing in my users directory has several subports (and will gain several dozen more by the time I'm done with it):
> 
> https://trac.macports.org/browser/users/ryandesign/ports/lang/php54/Portfile
> 
> All ports using the unified python portgroup, by virtue of using that portgroup, get subports for each supported Python version:
> 
> https://trac.macports.org/browser/trunk/dports/_resources/port1.0/group/python-1.0.tcl
> 
> 
> Subports are also helpful if there's a collection of software whose version number always changes together, even if there are separate distfiles. Examples of this kind of subport:
> 
> This patch shows an example of adding a subport to the virtualbox port:
> 
> https://trac.macports.org/attachment/ticket/32615/virtualbox-guest-additions.diff
> 
> 
> For further examples of subports, you can grep for "subport" in all the Portfiles.
> 
>