2.5 and cxx_stdlib

[Joshua Root]

On 2018-5-29 16:54 , Vincent Habchi wrote:
>> Just a reminder that MacPorts 2.5 will check whether ports are built
>> against the right C++ standard library as part of rev-upgrade. The
> 
> Also, as part of this new check, a column is added to the registry, so please be sure to run a first ‘port outdated’ or whatever using sudo, otherwise you get an error message telling you the registry is read only and cannot be altered.

Not sure how you ran into that. Installing the new version of base must
be done as root as well, and it runs scripts that open the registry and
should trigger that upgrade.

- Josh