Unpopular opinion, and anecdotal data point:
I stopped using Solaris and MySQL when oracle took ownership.
Linux and postgres is my new standard.
Linux and postgres is my new standard.
The keywords here. Even though every dev on my team knows postgres equally or better than mysql, management chose mysql.
I'm one of the equally camp, and don't possess a strong personal preference, but I was surprised that it was the favorite of the devs and not trusted by the business.
It might take some time but the tide is flowing in PostgreSQL's direction.
See: everyone who is still using MongoDB and thinks that is a good idea.
Alternatively there is http://www.github.com/mysql and contrary to older versions this compiles quite easily if CMake and compilers are around.
(I am on the MySQL engineering team)