Re: [Jack-Devel] ?==?utf-8?q? jack-headers merge ( the future of JACK(2))

 
Am Mittwoch, 25. Januar 2017 09:24 CET, John Emmas <[hidden]> schrieb: 
 
> On 24/01/2017 21:12, Adrian Knoth wrote:
> > On Sun, Jan 15, 2017 at 06:21:25PM +0100, micu wrote:
> >
> >> I'd like to offer my precious time for giving a jack-headers merge another
> >> shot (I know Paul asked for some help on that already in 2012...).
> >>
> >> As a first step I'd suggest moving the current JACK2 headers
> >> to its own branch in
> >>
> >>      <https://github.com/jackaudio/headers>
> >>
> > [...]
> >
> > instead of using git submodules for JACK2, how about we bring the
> > headers repo in sync and then simply copy the files over to JACK2?
> >
> 
> Sorry, what are you proposing to merge here?  Are there currently two 
> different lots of Jack2 headers?  Or are you proposing to merge the 
> headers from Jack2 and Jack1?  Or something else?

IIRC the idea as that both jack1 and jack2 (or better: all jack implementations)
share the same header. 

> IIRC Jack2 currently has some structs which need to get built with 
> 1-byte alignment for the various struct fields (except on one particular 
> platform).  Let's say the Jack1 & Jack2 headers got merged...  wouldn't 
> that problem get amplified and possibly break compatibility for either 
> Jack1 or Jack2?

I think that that "public" jack header would only contain declarations for 
jack's public API, and that should be the same for all implementations since
the idea is that any application should be able to interact with any implementation.
So that API would also be an ABI.

 Cheers, Ralf Mattes

> 
> John
> 
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