You probably have the wrong path for –with-pg-config, check if it’s actually there. You can find the correct path to pg_config with: find /Applications -name pg_config In the latest Postgres.app Version the path is: gem install pg — –with-pg-config=/Applications/Postgres.app/Contents/Versions/9.5/bin/pg_config
Also make sure that you’ve upgraded Xcode to re-install command line tools on Mavericks. In terminal type: xcode-select –install Then follow the prompts.
Have you tried running this before running bundle install? bundle config build.pg –with-pg-config=/usr/pgsql-9.1/bin/pg_config See http://bundler.io/v1.3/bundle_config.html
You need install the postgreSQL dev package with header of PostgreSQL sudo apt-get install libpq-dev
if you are running on Linux you may be interested in what worked for me: sudo apt-get install postgresql sudo apt-get install libpq-dev Then gem install pg then bundle install src: http://wikimatze.de/installing-postgresql-gem-under-ubuntu-and-mac
It looks like in Ubuntu that header is part of the libpq-dev package (at least in the following Ubuntu versions: 11.04 (Natty Narwhal), 10.04 (Lucid Lynx), 11.10 (Oneiric Ocelot), 12.04 (Precise Pangolin), 14.04 (Trusty Tahr) and 18.04 (Bionic Beaver)): … /usr/include/postgresql/libpq-fe.h … So try installing libpq-dev or its equivalent for your OS: For Ubuntu/Debian systems: … Read more