macports 2.0.4 breaks the usage of clang on Xcode 4.3.2

[Joshua Root]

On 2012-4-9 20:49 , Rainer Müller wrote:
> On 2012-04-08 21:35 , Jack Howarth wrote:
>> Also non-sensical values like...
>>
>> sudo port -d install pymol +gcc49
>>
>> don't produce an error. Is that expected behavior for the error to be
>> silently ignored by port?
> 
> Variants are being passed down to dependencies. It could well be that
> this variant specification was intended for another port in the
> dependency chain. Therefore it's not an error that this variant is not
> provided by the specified port.

<https://trac.macports.org/ticket/14648>

It should ideally warn if nothing in the chain provides that variant,
but that's not straightforward to implement.

- Josh