Error installing pg gem on osx

Question

I am on osx 10.6.7 trying to run bundle install on a new rails 3.0.7 app and it keeps failing when trying to build the pg gem. It keeps telling me that I have need the devel

Answer 1

1. export ARCHFLAGS='-arch x86_64'
2. export PATH=/Library/PostgreSQL/9.1/bin:${PATH}
3. gem install pg