pkg upgrade breaks with mariadb migration

[Mark Felder]

On Thu, Feb 13, 2014, at 12:22, Beeblebrox wrote:
> I recently switched to mariadb55-client from mysql55-client (because of
> server switch).
> 
> The problem is that after a full (all installed ports) poudriere run,
> "pkg
> upgrade" wants to install mysql55-client, which then of course fails
> because
> pkg: WARNING: locally installed mariadb55-client-5.5.33a_1 conflicts ....
> 
> What is the setting in poudriere.d/make.conf to fix this? must I
> deinstall
> databases/mariadb55-client every time to complete an update?
> 

You probably want 

DEFAULT_VERSIONS= mysql=55m