[Buildroot] [RFC PATCH 1/2] package/gobject-introspection: add package

[Adam Duskett <aduskett@gmail.com>]

On Thu, Aug 17, 2017 at 6:39 PM, Arnout Vandecappelle <arnout@mind.be> wrote:
>
>
> On 17-08-17 08:44, Alexey Roslyakov wrote:
>> Hi Adam,
>>
>> I experience the same difficulties because of lack of object-introspection.
>
>  I agree that gobject-introspection would definitely be nice to have, but it is
> complicated... And somebody will have to do the work!
>
I don't disagree there! However; I started getting into it and I
quickly realized
it's going to be far above my pay-grade to integrate this beast into BuildRoot!


>  In addition to the comments made on Sam's patch, here are some additional
> sources of information.
>
> [1] describes a Linaro study of the possibilities of cross-compiling
> gobject-introspection. It's kind of wordy, but the bottom line is: almost
> impossible. It dates from 2011 but I don't think things have changed fundamentally.
>
Well, in the Yocto project, there's a patch named:
Revert-an-incomplete-upstream-attempt-at-cross-compi.patch
(I assume it should be Revert an incomplete upstream attempt at cross-compile
 support).  So upstream is starting to try and get cross-compiling support built
into gobject-introspection it looks like!


> [2] shows the gobject-introspection architecture, which explains the different
> steps and how they fit together. Something like this should definitely be part
> of the commit message. From this, I gather that g-ir-compiler is the problem,
> because it's not g-ir-cross-compiler :-)
>
Probably, which is why qemu needs to be used.

> [3] describes how it is solved in an OpenEmbedded layer. The interesting bit
> from this one is that they have 4 separate packages. I don't think we need 4,
> but 2 could be useful.
>
Is it possible to take most of the recipe from yocto and perhaps
translate it into
a make file that works for BuildRoot?

>
>  Regards,
>  Arnout
>
>
> [1] https://wiki.linaro.org/PeterPearse/GobjectIntrospection
> [2] https://wiki.gnome.org/Projects/GObjectIntrospection/Architecture
> [3] https://github.com/Guacamayo/meta-gir/blob/master/README.md
> --
> Arnout Vandecappelle                          arnout at mind be
> Senior Embedded Software Architect            +32-16-286500
> Essensium/Mind                                http://www.mind.be
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Thanks!

Adam