Re: [gentoo-dev] Fixing eclass code relying on ${IUSE} greps?

[Mike Frysinger]

On Wed, Sep 14, 2011 at 15:16, Michał Górny wrote:
> On Wed, 14 Sep 2011 15:10:23 -0400 Mike Frysinger wrote:
>> On Wed, Sep 14, 2011 at 06:38, Michał Górny wrote:
>> > As the 'has_iuse' thread worked out, right now PMS doesn't allow us
>> > to grep IUSE for random values during runtime. Thus, all eclasses
>> > using that to enable features per ebuild-defined IUSE are broken.
>>
>> this statement isnt exactly clear.  no, eclasses cannot leverage IUSE
>> from ebuilds (and vice versa).  but eclasses/ebuilds can leverage
>> their own IUSE value.
>
> Erm, that's not really true. Consider that usually eclass functions are
> called from ebuilds. At the time of calling, IUSE can basically contain
> anything; if PM doesn't care much, that'd be probably last values set
> -- ebuild values.

i was referring to global scope.  in src_* pkg_* funcs, the code
should see the merged value.  or maybe i havent read the spec close
enough.
-mike