gcc49 vs gcc48

[Chris Jones]

On 18/11/14 23:05, René J.V. Bertin wrote:
> On Tuesday November 18 2014 22:59:51 Chris Jones wrote:
>
>> Clang 3.4 fully supports c++11 ( if i recall correctly it is complete as of 3.3). So whatever problems you where having it wasn't because clang does not fully support c++11...
>
> Sorry, but yes. The support is not complete in 10.6 (and possibly other pre-10.9 OS X version). The symptom is that it cannot find the appropriate C++11 headerfiles but instead picks those from Apple's gcc-4.2 .

That though does not make what I said incorrect. clang 3.4 fully 
supports c++11. A statement of fact.

http://clang.llvm.org/cxx_status.html

The issue you describe is an issue with the *deployment* of clang in 
MacPorts/OSX. Something else.