[yocto] How to combine BBCLASSEXTEND and variable export

[Hans Beckérus]

On Thu, Sep 26, 2013 at 12:13 PM, Paul Eggleton
<paul.eggleton at linux.intel.com> wrote:
> Hi Hans,
>
> On Wednesday 25 September 2013 17:39:04 Hans Beckérus wrote:
>> Hi. I have a recipe that use BBCLASSEXTEND to extend native. For the
>> normal/base version I wish to set/export an environment variable to be
>> picked up by configure.
>> But I do not wish this variable to be set by the native package. How
>> would I accomplish that? It was ok before when I had a package-native
>> recipe but since that is obsolete in favor for BBCLASSEXTEND I wish to
>> remove it. I think I covered all the other caveats like DEPEND and
>> PACKAGE/FILES. But this one is not as straight forward, or is it?
>
> If I'm understanding the requirements correctly think you could do something
> like:
>
> do_configure_prepend_class_target() {
>         export VARIABLE=value
> }
>
Yes, I believe I tried that, but then the export does not persist over
do_configure(), does it?
It is only alive during the scope of do_configure_prepend() or?

> Cheers,
> Paul
>
> --
>
> Paul Eggleton
> Intel Open Source Technology Centre