Re: [OE-core] couple questions on PACKAGECONFIG (for improving docs)

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

On Mon, 2020-04-06 at 13:58 -0400, rpjday@crashcourse.ca wrote:
> On Mon, 6 Apr 2020, Quentin Schulz wrote:
> 
> > On Mon, Apr 06, 2020 at 12:05:15PM -0400, rpjday@crashcourse.ca
> > wrote:
> > >   wanted to tweak the ref manual entry for PACKAGECONFIG, so a
> > > couple
> > > issues. first, the ref manual entry:
> > > 
> > > https://www.yoctoproject.org/docs/current/ref-manual/ref-manual.html#var-PACKAGECONFIG
> > > 
> > > says nothing about the possible *sixth* entry, described in
> > > base.bbclass as "foo_conflict_packageconfig", so i can add that
> > > but
> > > i'm open to proper wording since i'd probably screw it up.
> > > (i'd add an actual example from poky/ demonstrating this, such
> > > as:
> > > 
> > > meta/recipes-support/curl/curl_7.69.1.bb:PACKAGECONFIG[threaded-
> > > resolver]
> > >   = "--enable-threaded-resolver,--disable-threaded-
> > > resolver,,,,ares"
> > 
> > https://media.giphy.com/media/puPeyz4SOYEKY/giphy.gif
> > [minion screaming what]
> > 
> > Didn't know about that one :) So PLEASE, document :)
> 
>   yeah, that was one of those cases where i just wanted to match
> examples against the actual processing in base.bbclass, and went,
> "whoa, what the heck is *that*?" then went looking for examples. in
> fact, curl is a nice example, as it contains:
> 
> # 'ares' and 'threaded-resolver' are mutually exclusive
> PACKAGECONFIG[ares] = "--enable-ares,--disable-ares,c-
> ares,,,threaded-resolver"
> ... snip ...
> PACKAGECONFIG[threaded-resolver] = "--enable-threaded-resolver,
> --disable-threaded-resolver,,,,ares"
> 
> so that's the obvious example to demonstrate that. i'd never noticed
> that before.

FWIW it was only added recently within the last month or so. We've not
got around to the docs for various reasons but happy to have help
there!

Cheers,

Richard