passing variants to dependencies; pre-activate check

[Joshua Root]

On 2015-10-14 13:04 , David Strubbe wrote:
>     > - Why is pre-activate code executed twice?
> 
>     It isn't, two pre-activate procedures have been registered and they are
>     each executed once.
> 
> 
> Well, I only put one block of code in active variants, as below. Why
> does it end up in two different pre-activate procedures?
> 
> active_variants-1.1.tcl:
>>
>> +pre-activate {
>> +    ui_warn "checking active variants"
>> +    _check_require_active_variants archivefetch
>> +}

Looking at the portfile, it uses the compilers portgroup as well as
active_variants. Looking at compilers, it uses active_variants itself.
So active_variants is included twice.

- Josh