PostgreSQL gem pg was unable to install

Question

My DB is PostgreSQL.I am on CENTOS.... While installing the pg gem I received the following error. I reinstalled to clear my YAML problem also, which didn\'t work, but it is jus

Answer 1

I got the same problem and I tried to install all dependencies, but all is useless. In the end, I had a try to use PostgreSQL9.3, not PostgreSQL9.4, and everything is fine.