Re: Why no flavor_USES helper?

From: Mel Pilgrim <list_freebsd_at_bluerosetech.com>
Date: Mon, 06 Sep 2021 13:33:29 UTC 
On 2021-09-06 1:16, Baptiste Daroussin wrote:
> On Sun, Sep 05, 2021 at 10:39:29AM -0700, Mel Pilgrim wrote:
>> The flavors helpers like flavor_RUN_DEPENDS are super useful, but I need to
>> modify USES based on flavor, and find that there is no helper for it.
> 
> Besause USES are loader 100 lines earlier, meaning only USES are already
> processed when we expand the helper.
> 
> Without getting to far in the technical details, USES and FLAVORS are basically
> expanded at the moment, in pre and post section, meaning one had to decide
> either we should allow USES to define flavors, or we should allow USES helpers.

Is this why there odd race conditions between USES and FLAVORS where, 
for example, if I have a FLAVOR that does USES+=pgsql and WANT_PGSQL, 
the corresponding postgresqlN-* ports aren't added to *_DEPENDS?