gem install pg
Building native extensions. This could take a while...
ERROR: Error installing pg:
ERROR: Failed to build gem native extension.
checking for pg_config... yes
Using config values from /usr/bin/pg_config
checking for libpq-fe.h... yes
checking for libpq/libpq-fs.h... yes
checking for pg_config_manual.h... yes
checking for PQconnectdb() in -lpq... no
checking for PQconnectdb() in -llibpq... no
checking for PQconnectdb() in -lms/libpq... no
Can't find the PostgreSQL client library (libpq)
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.
Provided configuration options:
Gem files will remain installed in /home/ogottwald/.rvm/gems/
4.1 for inspection.
Results logged to /home/ogottwald/.rvm/gems/
The I'm honestly at a complete loss on this one.
I have tried everything under the sun. I used the following to configure PostgreSQL: http://linuxpoison.blogspot.com/2012/01/how-to-install-configure-postgresql.html
I'm totally puzzled I've tried 15 to 20 things to get it working