Ramblings Of a Madman

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Posts for Tag: extension

'Error compiling pg Ruby gem on OSX'

If you get this error (or similar) while trying to run **bundle install** on one of your Ruby projects or trying to install the **pg** gem:

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

/Users/void/.rvm/rubies/ruby-2.0.0-p0/bin/ruby extconf.rb --with-iconv-include=/usr/local/opt/libiconv/include --with-iconv-lib=/usr/local/opt/libiconv/lib checking for pg_config... no No pg_config... trying anyway. If building fails, please try again with --with-pg-config=/path/to/pg_config checking for libpq-fe.h... no Can't find the 'libpq-fe.h header *** 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.

The solution is to install the gem like this:

sudo env ARCHFLAGS="-arch i386" gem install pg -- --with-pg-include=/Library/PostgreSQL/8.4/include/ --with-pg-lib=/Library/PostgreSQL/8.4/lib/

**Note:** Replace 8.4 with your installed PostgreSQL version in the above command.