The gringo port still can't be compiled after passing the stdlib=libc++ to clang

[Ryan Schmidt]

On Sep 20, 2015, at 11:10 AM, Ryan Schmidt wrote:

> It's left as an exercise to you to determine which of your installed ports use C++. If you can't determine it, you can uninstall all ports.
> 
> 
>> Meanwhile,I don't think that to uninstall all the ports that use C++ is a good way to solve the problem since I have so many ports and dependencies,which will be uninstalled and installed.
>> Is there any other way to install the gringo?
> 
> Upgrade to OS X 10.9 or later.

I should add, before you do this, to make sure you know, that upgrading to a new OS X version also involves uninstalling and reinstalling all ports, and a few extra steps, as mentioned here:

https://trac.macports.org/wiki/Migration