Postgresql Installation

[gregarican]

I am now attempting to install the postgresql_7.4.2-1_arm.ipk package onto my SL-5500. I need the pgsql header and library files in order to compile the Ruby extension for pgsql access. This in turn should allow me to access an external pgsql instance using Ruby DBI. The problem is that I see library files present after installing the ipk but I don't see the header files. Looking in the ipk itself I don't see them either. Will I need to manually pull these from another source? Right now I feel like I'm starting to peel an onion  

[gregarican]

I am now attempting to install the postgresql_7.4.2-1_arm.ipk package onto my SL-5500. I need the pgsql header and library files in order to compile the Ruby extension for pgsql access. This in turn should allow me to access an external pgsql instance using Ruby DBI. The problem is that I see library files present after installing the ipk but I don't see the header files. Looking in the ipk itself I don't see them either. Will I need to manually pull these from another source? Right now I feel like I'm starting to peel an onion 
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Okay. I moved the source files for pgsql 7.4.2 over and now everything is fine in terms of the pgsql files needed...