Re: possible clarification of EXPORT_FUNCTIONS for user manual

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Wed, 2014-07-09 at 11:14 -0400, Robert P. J. Day wrote:
>   so, just to make sure i'm understanding this correctly, in section
> 3.4.5 of BB user manual, discussion of EXPORT_FUNCTIONS talks about
> the general concept of exporting *functions*, but the entire section
> uses exclusively "do_" examples, which might mislead the reader into
> thinking it's good only for *tasks*.
> 
>   i decided to look through the oe-core layer for examples of
> exporting an actual function, and i found all of one example -- in
> meta/classes/debian.bbclass:
> 
>   python debian_package_name_hook () {
>       ... snip ...
>   }
>   ...
>   EXPORT_FUNCTIONS package_name_hook
> 
> which seems like a valid example of exporting a function, except i
> can't find a single example of this function being used anywhere else.
> am i missing something?
> 
>   anyway, i guess my point is that that section could be tweaked to
> emphasize that exporting works for both functions and tasks, although
> the only function example i found seems unused. thoughts?

package_name_hook is called by package.bbclass

Cheers,

Richard