hdfeos and hdfeos5 warnings

[Ryan Schmidt]

> On Aug 27, 2014, at 9:36 AM, Takeshi Enomoto <takeshi at macports.org> wrote:
> 
> Blair,
> 
> Thanks for reporting.
> 
> I replaced catch with pre-configure to check active_variants there and
> I can omit catch.

By the time you're in pre-configure (or any phase) variants have already been chosen and changing default_variants no longer has any effect.