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POProblems installing the pg gem with rvm, postgres 9.0, ruby 1.9.2-p136 on 64 bit Snow Leopard
 

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  1. POProblems installing the pg gem with rvm, postgres 9.0, ruby 1.9.2-p136 on 64 bit Snow Leopard
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    <p>I want to build a Rails 3 app for Heroku. They use Postgres as their db so I installed postgres 9.0 via MacPorts. Now I need a postgres gem and the consensus is that for performance reasons you want the pg gem. However I'm completely baffled by the errors I'm getting when I try and install pg via gem install under rvm.</p> <p>I have been very explicit by specifying where all the postgres directories are to be found but still am unable to complete the install:</p> <pre><code>$ env ARCHFLAGS='-arch x86_64' gem install pg -- \ --with-pg-config=/opt/local/var/db/postgresql90/defaultdb/postgresql.conf \ --with-pg-include=/opt/local/include/postgresql90/ \ --with-pg-lib=/opt/local/lib/postgresql90/ Using config values from /opt/local/var/db/postgresql90/defaultdb/postgresql.conf *** 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: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/Users/guy/.rvm/ruby-1.9.2-p136/bin/ruby --with-pg --without-pg --with-pg-dir --without-pg-dir --with-pg-include=${pg-dir}/include --with-pg-lib=${pg-dir}/lib --with-pg-config extconf.rb:24:in ``': Exec format error - /opt/local/var/db/postgresql90/defaultdb/postgresql.conf --includedir (Errno::ENOEXEC) from extconf.rb:24:in `&lt;main&gt;' </code></pre> <p>Anyone got any ideas? I'm baffled. Guy</p>
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