Maybe someone should edit the too strong claims onĀ https://mariadb.com/kb/en/mariadb/mariadb-vs-mysql-compatibility/

In bold at the top of the page...

MariaDB is a binary drop in replacement for MySQL


On Tue, Apr 4, 2017 at 9:58 PM, Sergei Golubchik <serg@mariadb.org> wrote:
Hi, Mark!

On Apr 04, Mark Callaghan wrote:
> With upstream (5.6 and 5.7) MySQL when I use cmake
> -DCMAKE_INSTALL_PREFIX=$X, then after I install the build, mysqld searches
> in $X/etc for my.cnf. That is not true for MariaDB Server 10.2. Why can't
> this match upstream?


It certainly can. It just doesn't. Because we merge from 5.6 into
MariaDB feature by feature, and nobody has requested this particular
feature so far. At least I couldn't find it in Jira.

Regards,
Sergei
Chief Architect MariaDB
and security@mariadb.org



--
Mark Callaghan
mdcallag@gmail.com