[Buildroot] [PATCHv3 03/20] package: add a <pkg>_EXTRA_DOWNLOADS variable

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Dear Peter Korsgaard,

On Wed, 09 Oct 2013 11:29:02 +0200, Peter Korsgaard wrote:

>  Thomas> This has been discussed in a prior version of this patch set. The
>  Thomas> problem is that <pkg>_SOURCE is not only about downloading, but also
>  Thomas> about extracting.
> 
>  Thomas> So, what would <pkg>_SOURCE do? Download all the files listed,
>  Thomas> but extract only the first one? This seems like a weird
>  Thomas> semantic. I think I prefer the following clear semantic:
> 
>  Thomas>  <pkg>_SOURCE is one file, that gets downloaded and then extracted into
>  Thomas>  the source directory of the package.
> 
>  Thomas>  <pkg>_PATCH is a list of files or URLs, that get downloaded and apply
>  Thomas>  as patches into the source directory
> 
>  Thomas>  <pkg>_EXTRA_DOWNLOADS is a list of files that get downloaded,
>  Thomas>  and nothing else. The package is responsible for doing
>  Thomas>  something with them.
> 
> Well, I don't feel strongly about it, but no matter what we do packages
> with multple sources will be "special" (Luckily they are very uncommon),
> so you always have to do something explicit to use (extract) the extra
> sources.

Sure.

> But I don't particulary find a special _EXTRA_DOWNLOADS any cleaner than
> just saying that only the first element in _SOURCE will be automatically
> extracted.

Well, I find it cleaner, but if you prefer to have it in _SOURCE, I can
certainly modify the patch to extend the semantic of _SOURCE instead.
Let me know what you decide so that I can respin the patch set if
needed.

Best regards,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com